Tapered Roller bearings

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Tapered Roller bearings

Tapered Roller Bearings. Type, Structure and Characteristics Tapered roller bearings are designed such that their conical rollers and raceways are arranged so that all elements of the roller and race way cones meet at a common apex on the bearing axis. (Refer to Fig.) The rolling elements perform the real rotating movement on the raceway; the synthesized force from the inner and outer ring raceways guides the rollers, pressing them to the large rib on the inner ring. Metric and inch series are considered standard and both systems are widely used. The inner ring, rollers and cage can be separated as a unit, or the CONE, from the outer ring, or the CUP. The cup and cone are called sub-units. Sub-unit dimensions for the nominal cup small inside diameter and bearing contact angle, as shown in Fig. 2, are standardized by ISO and ABMA and are compatible between sub-units. Double row and four row bearings are available in addition to single row bearings. Models and characteristics are shown in Tables and 2. Sub-unit dimensions 2α E E : Cup small inside diameter, nominal α : Bearing contact angle, nominal Fig. Fig.2 Table Structure and characteristics of double row tapered roller bearings Model Drawing Nominal number Characteristics Double row with vertex of contact angles outside of the bearing 43XXX 423XXX 430XXX 432XXX CRI These bearings are designed with one double row outer ring and two pairs of inner rings with rollers. Bearings are adjusted so that their internal clearance becomes the specified value, the parts which have the same serial numbers should be assembled according to the assembly codes. These bearings support radial and axial loads. Since the cone pressure apex is wide, bearings are suitable where moment loads are applied. These bearings have the same function as the back-to-back duplex arrangement of single row bearings. Double row with vertex of contact steep angles outside of the bearing CRI This bearing model has a larger and steeper contact angle than the double row with vertex of contact angles outside the bearing. These bearings are used when the axial load is large. Since these bearings are adjusted so that the internal clearance is a specified value (like the double row with vertex of contact angles outside of bearing) the parts which have the same serial numbers should be assembled according to the assembly codes. Double row with vertex of contact angles inside of the bearing 3230XX 323XX CRD These bearings are designed with one double row inner ring with rollers and two pairs of outer rings and an outer ring spacer. These bearings accept the radial and axial loads. Since the cone pressure apex is short, bearings are not suitable when the moment is applied. Since these bearings are adjusted so that the internal clearance is the specified value (like the double row with vertex of contact angles outside of bearing) the parts which have the same serial numbers should be assembled according to the assembly codes. Double row with vertex of contact steep angles inside of the bearing CRD This bearing model has a larger and steeper contact angle than the double row with vertex of contact angles inside the bearing. These bearings are used when the axial load is large or only axials are applied. Models without an outer ring spacer and with a key groove or notch on the inner ring (refer to the drawing) are also available. Consult NTN Engineering about this bearing's fit. These bearings may be pressurized by using a spring between the housing shoulder and outer ring end. B-89

Tapered Roller Bearings Table 2 Structure and characteristics of the four row tapered roller bearings Model Drawing Nominal numbers Characteristics Four row tapered roller bearing 6259XX 6230XX 623XX CRO These bearings are designed with two double row inner rings with rollers, one double row outer ring, two single outer ring and outer ring spacer/inner ring spacer. Bearings are adjusted so that their internal clearance becomes the specified value, the parts which have the same serial numbers should be assembled according to the assembly codes. The bearing is mainly used for the roll neck of rolling mill, and designed so as to become the maximum rating load for the allowable space in the roll neck part. The bearing uses the clearance-fit to make assemble and disassembley easier. For this purpose, bearings are designed with a helical groove on the inner ring bore to prevent wearing of the inner ring bore when creep occurs and uses the carbonized steel to prevent cracks on inner ring and improve the shock resistance. Please consult with NTN Engineering for fitting and bearing internal clearance. Four row tapered roller bearing enclosed type CRO LL Bearings are designed with oil seals on both side of the bearing which is the same as the four row tapered roller bearings. Please consult with NTN Engineering for fitting and bearing internal clearance. 2. Dimensional Accuracy/Rotation Accuracy Metric system bearings Table 3.4 (Page A-4) Inch system bearings Table 3.5 (Page A-6) 3. Recommended Fitting Metric system bearings Table 4.2 (Page A-24) Inch system bearings Table 4.5, 4.6 (Page A-27) 5. General Operating Cautions Slippage between the balls and raceways may occur when bearings are operated under small loads, or when the ratio between axial and radial loads of the duplexed bearings exceeds the value e, and may cause smearing. This is most apparent when using large size tapered roller bearings due to the large cage mass. Please consult NTN Engineering for further details. 4. Bearing Internal Clearance Metric system bearings Table 5.7 (Page A-32) Inch system bearings Table 5.9 (Page A-34) B-90

Tapered Roller Bearings Inch system sizes: Tapered Roller Bearings (Single row Double row) index Bearing number ABMA Page CONE / CUP Type 8573/8520 TS B-09 8573/8520D+A TDO B-40 8575/8520 TS B-09 8575/8520D+A TDO B-40 8578/8520 TS B- 8578/8520D+A TDO B-40 29875/29820 TS B- 29875/29820D+A TDO B-42 29880/29820 TS B- 29880/29820D+A TDO B-42 38880/38820 TS B- 38885/38820 TS B- 67983/67920 TS B-07 67983/67920D+A TDO B-38 67985/67920 TS B-07 67985/67920D+A TDO B-40 67989/67920 TS B-09 67989/67920D+A TDO B-40 8070/8027 TS B-7 8076/8027 TS B-7 8080/8027 TS B-7 80385/80325 TS B-7 80780/80720 TS B-2 87737/87 TS B-07 87737/872D+A TDO B-38 87750/87 TS B-07 87750/872D+A TDO B-38 87762/87 TS B-07 87762/872D+A TDO B-38 93708/9325 TS B-07 93750/9325 TS B-07 93750/9327D+A TDO B-38 93787/9325 TS B-07 93787/93727D+A TDO B-38 93800/9325 TS B-07 93800/9327D+A TDO B-38 93800D/9325+A TDI B-6 93825/9325 TS B-09 93825/9327D+A TDO B-40 94649/943 TS B-05 94649/944D+A TDO B-38 94687/943 TS B-05 94687/944D+A TDO B-38 94700/943 TS B-07 94700/944D+A TDO B-38 94706D/943+A TDI B-6 96900/9640 TS B-09 96900/9640D+A TDO B-40 96925/9640 TS B-09 96925/9640D+A TDO B-40 EE3089/370 TS B-09 EE309/370 TS B-09 EE309/37D+A TDO B-40 EE4080/460 TS B-07 Bearing number ABMA Page CONE / CUP Type EE4080/46D+A TDO B-38 EE7063/748 TS B-05 EE26096D/2650+A TDI B-6 EE26097/2650 TS B- EE26097/265D+A TDO B-42 EE26098/265D+A TDO B-42 EE26098/2650 TS B- EE27095/2735 TS B- EE27095/2736D+A TDO B-40 EE27097D/2735+A TDI B-6 EE28/2860 TS B-3 EE28/2860D+A TDO B-42 EE282/2860 TS B-3 EE2920X/2972 TS B-3 EE2920X/2920D+A TDO B-44 EE30902/3400 TS B-09 EE30902/340D+A TDO B-40 EE3400/3443 TS B- EE3400/3444D+A TDO B-42 EE3402/3443 TS B- EE3402/3444D+A TDO B-42 EE35D/3555+A TDI B-63 HH44642/HH4464 TS B-07 EE472/4798D+A TDO B-44 EE6300/6900 TS B-5 EE6300/690D+A TDO B-44 EE6363/6900 TS B-5 EE6363/690D+A TDO B-44 EE6400/6850 TS B-5 EE6400/6900 TS B-5 EE6400/690D+A TDO B-44 L6349/L630 TS B-5 L6349/L630D+A TDO B-44 L6349D/L630+A TDI B-63 EE70950/7450 TS B- EE70950/745D+A TDO B-42 EE70975/7450 TS B- EE70975/745D+A TDO B-40 EE70975D/7450+A TDI B-6 EE9250/92200 TS B-5 EE9250/9220D+A TDO B-46 EE29068/297 TS B-05 EE29068/2922 TS B-05 EE22025D/22575+A TDI B-6 EE22026/22575 TS B- EE22026/22576D+A TD0 B-42 EE222070/22227D+A TDO B-38 EE23400/23975 TS B-5 EE23400/23976D+A TDO B-46 EE2340D/23975+A TDI B-63 EE23462/23975 TS B-5 EE23462/23976D+A TDO B-46 HH23637/HH2365 TS B-05 HH23649/HH2360 TS B-05 Bearing number ABMA Page CONE / CUP Type HH23649/HH2365 TS B-05 HH23403/HH23400 TS B-05 HH23403/HH2340D+A TDO B-38 HH234048/HH23400 TS B-05 HH234048/HH2340D+A TDO B-38 EE23456/23423D+A TDO B-46 EE23456/23425 TS B-7 EE23456/23426D+A TDO B-46 EE23460/23423D+A TDO B-46 EE23460/23425 TS B-7 HM237532/HM23750 TS B-05 HM237532/HM23750D+A TDO B-38 HM237535/HM23750 TS B-05 HM237535/HM23750D+A TDO B-38 HM237542/HM23750 TS B-05 HM237542/HM23750D+A TDO B-38 HM237545/HM23750 TS B-07 HM237545/HM23753 TS B-07 HM237545/HM23750D+A TDO B-38 HM237546D/HM23750+A TDI B-6 H23840/H2380 TS B-05 H23848/H2380 TS B-05 H239640/H23960 TS B-07 H239640/H23962D+A TDO B-38 H239649/H23960 TS B-07 H239649/H23962 TS B-07 H239649/H23962D+A TDO B-38 H239649D/H23960+A TDI B-6 LM2449/LM240 TS B-07 LM2449/LM240D+A TDO B-38 M24547/M2450 TS B-07 M24543/M2450 TS B-07 M24543/M2450D+A TDO B-38 M24547/M2450D+A TDO B-38 M24549/M2450 TS B-07 M24549/M2450D+A TDO B-38 EE2470/242375 TS B-7 EE2470/242377D+A TDO B-46 H242649/H24260 TS B-07 H242649/H24260D+A TDO B-40 H242649D/H24260+A TDI B-6 EE24390/243250 TS B-9 EE24390/24325D+A TDO B-46 EE24392/243250 TS B-9 EE24392/24325D+A TDO B-48 EE24396/243250 TS B-9 EE24396/24325D+A TDO B-48 EE24480/244235 TS B-9 EE24480/244236D+A TDO B-46 M244249/M24420 TS B-09 M244249/M24420D+A TDO B-40 M244249D/M24420+A TDI B-6 H244849D/H24480+A TDI B-6 M246942/M24690 TS B-09 B-9

Tapered Roller Bearings Inch system sizes: Tapered Roller Bearings (Single row Double row) index Bearing number ABMA Page CONE / CUP Type M246949/M24690 TS B-09 H247535/H24750 TS B-07 H247535/H24750D+A TDO B-38 H247549/H24750 TS B-09 H247549/H24750D+A TDO B-40 LM247748D/LM24770+A TDI B-6 H24948/H249D+A TDO B-40 M249732/M24970 TS B-09 M249732/M24970D+A TDO B-40 M249734/M24970 TS B-09 M249734/M24970D+A TDO B-40 M249736/M24970 TS B-09 M249736/M24970D+A TDO B-40 M249748D/M24970+A TDI B-6 M249749/M24970 TS B- M249749/M24970D+A TDO B-42 HH249749/HH24990D+A TDO B-42 HH249949/HH24990 TS B- HH249949D/HH24990+A TDI B-6 M252337/M25230 TS B- HM252343/HM25230 TS B- HM252343/HM25230D+A TDO B-42 HM252344/HM25230D+A TDO B-42 M252349D/M25230+A TDI B-6 HM252348/HM25230 TS B- HM252348/HM25230D+A TDO B-42 HM252349/HM25230D+A TDO B-42 M252330/M25230 TS B-09 M252349/M25230 TS B-3 HH25549D/HH2550+A TDI B-6 M255449/M25540 TS B-3 M255449/M25540D+A TDO B-44 M255449D/M25540A+A TDI B-63 HM256849/HM25680 TS B-3 HM256849/HM25680D+A TDO B-44 HM256849D/HM25680+A TDI B-63 M25749D/M2570+A TDI B-63 M257248D/M25720+A TDI B-63 HH258248/HH25820 TS B-3 HH258248/HH25820D+A TDO B-44 LM258648D/LM25860+A TDI B-63 HM259048/HM25900 TS B-5 HM259049/HM25900D+A TDO B-44 HM259049D/HM25900+A TDI B-63 HM26049/HM2600 TS B-5 HM26049/HM2600D+A TDO B-44 HM26049D/HM2600+A TDI B-63 M262449D/M26240+A TDI B-63 HM262749/HM26270 TS B-5 HM262749/HM26270D+A TDO B-44 HM262749D/HM26270+A TDI B-63 HM262748/HM26270 TS B-5 LM26349D/LM2630+A TDI B-63 M263349D/M26330+A TDI B-63 Bearing number ABMA Page CONE / CUP Type HM265049/HM26500D+A TDO B-46 HM265049D/HM26500+A TDI B-63 HM265049/HM26500 TS B-5 HM266447/HM26640 TS B-7 HM266448/HM26640 TS B-7 HM266449/HM26640 TS B-7 HM266449/HM26640D+A TDO B-46 HM266446/HM26640 TS B-7 HM266446/HM26640D+A TDO B-46 HM266448/HM26640D+A TDO B-46 HM266449D/HM26640+A TDI B-63 M268730/M26870 TS B-7 HM268730/HM26870D+A TDO B-46 M268749/M26870 TS B-7 M268749/M26870D+A TDO B-46 M268749D/M26870+A TDI B-65 M270749/M27070 TS B-7 M270749/M27070D+A TDO B-46 M270749D/M27070+A TDI B-65 LM272235/LM27220 TS B-9 LM272249/LM27220 TS B-9 LM272249/LM27220D+A TDO B-46 LM272249D/LM27220+A TDI B-65 M272647D/M27260+A TDI B-65 M272749/M27270 TS B-9 M272749/M27270D+A TDO B-46 M272749D/M27270+A TDI B-65 M27449/M2740 TS B-9 M27449D/M2740+A TDI B-65 LM274449D/LM27440+A TDI B-65 EE275095/27555 TS B- EE275095/27556D+A TDO B-40 EE27500/27555 TS B- EE27500/27556D+A TDO B-42 EE27505/27555 TS B- EE27505/27556D+A TDO B-42 EE27508/27555 TS B-3 EE27508/27556D+A TDO B-42 EE27509D/27555+A TDI B-6 M275349D/M27530+A TDI B-65 M276449/M27640 TS B-9 M276449/M27640D+A TDO B-48 M276449D/M27640+A TDI B-65 M276448D/M27640+A TDI B-65 M278749/M27870 TS B-9 M278749/M27870D+A TDO B-48 M278749D/M27870+A TDI B-65 M280049D/M28000+A TDI B-67 M280349D/M28030+A TDI B-67 EE280626/28200 TS B-05 M28049D/M2800+A TDI B-67 L2848/L280 TS B-2 L2848/L280D+A TDO B-48 L2849D/L280+A TDI B-67 Bearing number ABMA Page CONE / CUP Type M28649D/M2860+A TDI B-67 LM28849D/LM2880+A TDI B-67 LM282549D/LM28250+A TDI B-67 LM283649/LM28360 TS B-2 LM283649D/LM283649+A TDI B-67 M28448D/M284+A TDI B-67 M284249D/M28420+A TDI B-67 LM286249D/LM28620+A TDI B-67 LM287649D/LM28760+A TDI B-67 LM287849D/LM28780+A TDI B-67 EE2975/29750 TS B-3 EE2975/2975D+A TDO B-44 EE29200D/29750+A TDI B-6 EE2920/29750 TS B-3 EE2920/2975D+A TDO B-44 EE29250/29750 TS B-5 EE29250/2975D+A TDO B-44 EE29502/29593 TS B- EE29502/29592D+A TDO B-42 EE2950/29593 TS B-3 EE2950/29592D+A TDO B-42 EE3299D/32972+A TDI B-63 EE33337/33397 TS B-5 EE33337/333203D+A TDO B-44 EE33340/33397 TS B-5 EE33340/333203D+A TDO B-46 M348449/M34840 TS B- M349549/M34950 TS B- EE35070/35687 TS B-07 EE350750/35687 TS B-07 L357049/L35700 TS B-3 L357049/L35700D+A TDO B-44 LM36649/LM3660 TS B-5 LL365340/LL36530D+A TDO B-46 LL365348/LL36530 TS B-7 LM377449/LM37740 TS B-9 LM377449/LM37740D+A TDO B-48 LM377449D/LM37740+A TDI B-65 EE380080/38090 TS B-07 EE38008/38090 TS B-07 EE42075/42437 TS B-07 EE42075/4245D+A TDO B-38 EE420750D/42437+A TDI B-6 EE420800D/42437+A TDI B-6 EE42080/42437 TS B-07 EE42080/4245D+A TDO B-38 EE426200/426330 TS B-9 EE426200/42633D+A TDO B-48 EE430900/43575 TS B-09 EE430900/43576D+A TDO B-40 EE43502/43565 TS B- EE43502/43565D+A TDO B-42 HH437549/HH43750 TS B-05 LM446349/LM44630 TS B-09 B-92

Tapered Roller Bearings Inch system sizes: Tapered Roller Bearings (Single row Double row) index Bearing number ABMA Page CONE / CUP Type LM446349/LM44630D+A TDO B-40 EE45060/4522 TS B-05 EE45060/4525D+A TDO B-38 450900D/4522 TDI B-6 LM45345/LM4530 TS B- LM45345/LM4530D+A TDO B-42 LM45349/LM4530 TS B- LM45349/LM4530D+A TDO B-42 LM45349D/LM4530+A TDI B-6 L467549/L46750 TS B-7 L476549/L47650 TS B-9 L476549/L47650D+A TDO B-48 LL48448/LL484 TS B-2 EE52630/52690 TS B-5 EE52630/5269D+A TDO B-44 EE52909D/52957+A TDI B-6 EE542220/542290 TS B-9 EE542220/54229D+A TDO B-48 HM542948/HM5429 TS B-07 543085/5434 TS B-09 543085/5435D+A TDO B-40 544090/5448 TS B-09 54409/5448 TS B-09 5452/5454 TS B-3 5452/54542D+A TDO B-44 LM545849/LM54580 TS B-09 EE54734D/547480+A TDI B-67 L555233/L55520 TS B-3 L555233/L55520D+A TDO B-42 L555249/L55520 TS B-3 L555249/L55520D+A TDO B-44 LL562749/LL56270 TS B-5 LM565943/LM56590 TS B-5 LM565949/LM56590 TS B-7 LM565949/LM56592 TS B-7 LL566848/LL56680 TS B-7 LM567949/LM56790 TS B-7 L570649/L57060 TS B-7 EE57703/572650 TS B-7 EE57703/57265D+A TDO B-46 LL575343/LL57530 TS B-9 LL575349/LL57530 TS B-9 EE62620/62632D+A TDO B-48 EE64092/640260 TS B-9 EE64092/64026D+A TDO B-48 EE649240/64930 TS B-2 EE649240/6493D+A TDO B-48 EE64924D/64930+A TDI B-67 LM654642/LM65460 TS B-3 LM654642/LM65460D+A TDO B-42 LM654648D/LM65460+A TDI B-63 LM654649/LM65460 TS B-3 LM654649/LM65460D+A TDO B-44 EE655270/655345 TS B-2 Bearing number ABMA Page CONE / CUP Type EE65527D/655345+A TDI B-67 LM665949/LM66590 TS B-7 LM665949/LM66590D+A TDO B-46 M667935/M6679 TS B-7 M667947D/M66790+A TDI B-65 M667948/M66790 TS B-7 EE6780/672873 TS B-9 EE6780/672875D+A TDO B-46 680235/680270 TS B-2 LL687949/LL68790 TS B-2 LL687949/LL68790D+A TDO B-48 EE7220/72285 TS B-3 EE7220/72286D+A TDO B-42 EE7225/72285 TS B-3 EE7225/72286D+A TDO B-44 EE72420/72495 TS B-3 EE72420/72496D+A TDO B-42 LM742745/LM74270 TS B-09 LM742745/LM74270D+A TDO B-40 LM742747/LM74270 TS B-09 LM742749/LM74270 TS B-09 LM742749/LM74270D+A TDO B-40 LM742749D/LM74270+A TDI B-6 EE743240/743320 TS B-2 EE743240/74332D+A TDO B-48 HM746646/HM74660 TS B-09 HM746646/HM74660D+A TDO B-40 EE752305/752380 TS B-2 EE755280/755360 TS B-2 EE755280/75536D+A TDO B-48 EE75528D/755360+A TDI B-67 EE755285/755360 TS B-2 EE755285/75536D+A TDO B-48 LM757049/LM75700 TS B-3 M757449D/M75740+A TDI B-63 LM76649D/LM7660+A TDI B-63 EE763330/76340 TS B-2 LM763449D/LM76340+A TDI B-63 LM767745D/LM76770+A TDI B-65 LM767749D/LM76770+A TDI B-65 LM769349D/LM76930+A TDI B-65 L770847D/L77080+A TDI B-65 L770849D/L77080+A TDI B-65 LM770949/LM77090 TS B-9 LL77948/LL779 TS B-9 LM772748/LM77270 TS B-9 LM772748/LM77270D+A TDO B-48 LM772749D/LM77270+A TDI B-65 EE776420/776520 TS B-2 EE776430/776520 TS B-2 LL77849/LL7780 TS B-9 LM778549D/LM77850+A TDI B-65 LL788345/LL78830 TS B-2 LL788349/LL78830 TS B-2 Bearing number ABMA Page CONE / CUP Type EE7904/79022 TS B-3 EE79020/79022 TS B-5 EE83360X/833232 TS B-7 EE83360XD/833232+A TDO B-65 HH840249/HH84020 TS B-07 EE843220/843290 TS B-9 EE843220/84329D+A TDO B-48 EE843220D/843290+A TDI B-65 H852849/H85280 TS B-3 L853049/L85300 TS B-3 L860048/L86000 TS B-5 L860049/L86000 TS B-5 L865547/L86552 TS B-5 LM869448/LM86940 TS B-7 LM869448/LM86940D+A TDO B-46 LM869449D/LM86940+A TDI B-65 L879946/L87990 TS B-2 L879947/L87990 TS B-2 LL889049/LL88900 TS B-2 LL889049/LL88900D+A TDO B-48 EE9600/92400 TS B-7 EE9600/9240D+A TDO B-46 EE923095/92375 TS B- EE923095/92376D+A TDO B-40 HH926744/HH92670 TS B-05 HH926744/HH92676 TS B-05 HH926749/HH92670 TS B-05 HH93232/HH9320 TS B-05 HH93245/HH9320 TS B-05 HH93245/HH9325 TS B-05 H936340/H93630 TS B-05 H936340/H93636 TS B-05 H936349/H93630 TS B-05 EE94205/94950 TS B-3 HH949549/HH94950 TS B-09 HH949549/HH94950D+A TDO B-40 HH953749/HH95370 TS B- HH953749/HH95370D+A TDO B-42 LM96548/LM965D+A TDO B-44 LM96548/LM965 TS B-5 H96649/H9660 TS B-5 H96649/H9660D+A TDO B-44 EE97354/97200 TS B-5 EE97354/97202D+A TDO B-44 B-93

Tapered Roller Bearings Inch system sizes: Tapered Roller Bearings (Four Row) index Bearing number ABMA Page CONE / CUP Type T-8576D/8520/8520D TQO B-85 9974D/9920/9920D TQO B-83 T-4679D/46720/4672D TQO B-8 T-48290D/48220/48220D TQO B-8 T-48393D/48320/48320D TQO B-8 T-48680D/48620/48620D TQO B-8 6779D/67720/6772D TQO B-83 T-67885D/67820/67820D TQO B-83 T-67986D/67920/67920D TQO B-83 8576D/8962/8963D TQO B-8 8268D/82620/82620D TQO B-83 EE26096D/2650/265D TQO B-85 EE27097D/2737/2737D TQO B-85 EE32082D/3225/3226D TQO B-83 EE3402D/3443/3444D TQO B-85 EE35D/3555/3556D TQO B-87 L6349D/L630/L630D TQO B-9 EE7000D/7450/745D TQO B-85 EE8455D/82350/8235D TQO B-9 EE22027D/22575/22576D TQO B-85 M224749D/M22470/M22470D TQO B-8 T-M23649D/M2360/M2360D TQO B-8 EE2346D/23425/23426D TQO B-9 M238849D/M23880/M23880D TQO B-83 M240648D/M2406/M2406D TQO B-83 M24538D/M2450/M2450D TQO B-83 EE2448D/244235/244236D TQO B-93 T-M244249D/M24420/M24420D TQO B-85 LM247748D/LM24770/LM24770D TQO B-85 T-M249748D/M24970/M24970D TQO B-85 T-M252349D/M25230/M25230D TQO B-87 HM252349D/HM25230/HM25230D TQO B-85 M255449D/M25540/M25540D TQO B-87 HM256849D/HM25680/HM25680DG2 TQO B-87 M25749D/M2570/M2570D TQO B-87 Bearing number ABMA Page CONE / CUP Type M257248D/M25720/M25720D TQO B-89 LM258649D/LM25860/LM25860D TQO B-89 T-HM259049D/HM25900/HM25900D TQO B-89 HM26049D/HM2600/HM2600DA TQO B-89 M262449D/M26240/M26240DG2 TQO B-89 T-HM262749D/HM26270/HM26270DG2 TQO B-89 LM26349D/LM2630/LM2630D TQO B-9 M263349D/M26330/M26330D TQO B-9 HM265049D/HM26500/HM26500DG2 TQO B-9 HM266449D/HM26640/HM26640DG2 TQO B-9 M268749D/M26870/M26870DG2 TQO B-93 M270749D/M27070/M27070DG2 TQO B-93 LM272249D/LM27220/LM27220DG2 TQO B-93 M27449D/M2740/M2740DG2 TQO B-95 LM274449D/LM27440/LM27440D TQO B-95 EE27506D/27555/27556D TQO B-85 EE27509D/27560/2756D TQO B-87 M275349D/M27530/M27530DG2 TQO B-95 M276449D/M27640/M27640DG2 TQO B-95 M278749D/M27870/M27870DG2 TQO B-95 LM278849D/LM27880/LM27880D TQO B-95 M280049D/M28000/M28000DG2 TQO B-97 M280349D/M28030/M28030DG2 TQO B-97 EE280700D/28200/2820D TQO B-83 L2849D/L280/L280DG2 TQO B-97 M28649D/M2860/M2860DG2 TQO B-97 LM28849D/LM2880/LM2880DG2 TQO B-97 M282249D/M28220/M28220D TQO B-97 M283449D/M28340/M28340D TQO B-99 LM283649D/LM28360/LM28360DG2 TQO B-99 M28448D/M284/M2840DG2 TQO B-99 M284249D/M28420/M28420DG2 TQO B-99 M285848D/M28580/M28580D TQO B-99 LM286249D/LM28620/LM28620DG2 TQO B-99 LM287649D/LM28760/LM28760DG2 TQO B-99 B-94

Tapered Roller Bearings Inch system sizes: Tapered Roller Bearings (Four Row) index Bearing number ABMA Page CONE / CUP Type LM288949D/LM28890/LM28890D TQO B-99 EE29202D/29750/2975D TQO B-87 EE3299D/32972/32973D TQO B-87 LM377449D/LM37740/LM37740DG2 TQO B-95 T-LM45349D/LM4530/LM4530D TQO B-85 EE52226D/523087/523088D TQO B-95 EE5263D/52690/5269D TQO B-89 EE5320D/53300/5330XDG2 TQO B-95 EE54734D/547480/54748DG2 TQO B-99 Bearing number ABMA Page CONE / CUP Type LM778549D/LM77850/LM77850DG2 TQO B-95 EE8220D/82275/82276D TQO B-85 EE8336D/833232/833233D TQO B-93 EE84322D/843290/84329D TQO B-95 T-LM869449D/LM86940/LM86940DG2 TQO B-93 EE9603D/92400/9240D TQO B-93 EE9250D/92875/92876D TQO B-87 EE9370D/93250/9325XDG2 TQO B-93 EE97355D/97200/97203D TQO B-89 T-EE64093D/640260/64026DG2 TQO B-93 EE64924D/64930/6493DG2 TQO B-97 T-LM654644D/LM65460/LM65460D TQO B-87 T-LM654648D/LM65460/LM65460D TQO B-87 LM665949D/LM66590/LM66590D TQO B-9 EE65527D/655345/655346DG2 TQO B-97 M667947D/M6679/M6679DG2 TQO B-93 EE700090D/70067/70068D TQO B-85 EE722D/72285/72286D TQO B-87 EE7242D/72495/72496DG2 TQO B-89 EE73673D/736238/736239D TQO B-93 EE73779D/737260/737260D TQO B-93 T-LM742749D/LM74274/LM74274D TQO B-83 EE755280D/755360/75536DG2 TQO B-97 EE75528D/755360/75536DG2 TQO B-97 M757448D/M75740/M75740D TQO B-87 M757449D/M75740/M75740D TQO B-89 LM76648D/LM7660/LM7660D TQO B-89 LM76649D/LM7660/LM7660D TQO B-89 LM763449D/LM76340/LM76340DG2 TQO B-9 LM76549D/LM7650/LM7650D TQO B-9 LM767745D/LM76770/LM76770DG2 TQO B-9 LM767749D/LM76770/LM76770DG2 TQO B-9 LM769349D/LM76930/LM76930D TQO B-93 L770849D/L77080/L77080DG2 TQO B-93 LM772749D/LM77270/LM77270DA TQO B-95 B-95

Single Row Tapered Roller Bearings Metric system sizes r T C D B r d a d 00 20mm Boundary dimensions Basic load ratings Bearing dynamic static dynamic static numbers mm kn kgf d D T B C r s min r ls min C r C or C r C or 00 05 0 40 25 25 20.5.5 2 206 2,300 2,000 32920XU 40 25 24 20.5.5 97.5 62 9,950 6,500 32920 2 50 32 32 24 2.5 70 28 7,300 28,600 32020XU 50 39 39 32.5 2.5 224 390 22,800 39,500 33020U 80 37 34 29 3 2.5 258 335 26,300 34,500 30220U 80 49 46 39 3 2.5 330 465 33,500 47,500 32220U 25 5.5 47 39 4 3 40 500 4,500 5,000 30320U 25 5.5 47 39 3 3 345 400 35,000 40,500 30320 2 25 56.5 5 35 4 3 355 435 36,000 44,000 3320XU 25 77.5 73 60 4 3 570 770 58,500 78,500 32320U 45 25 25 20.5.5 26 29 2,800 22,400 3292XA 2 60 35 35 26 2.5 2 20 335 20,500 34,000 3202XU 60 43 43 34 2.5 2 245 420 25,000 43,000 3302U 90 39 36 30 3 2.5 287 380 29,300 38,500 3022U 90 53 50 43 3 2.5 380 540 38,500 55,500 3222U 225 53.5 49 4 4 3 435 535 44,500 54,500 3032U 225 53.5 49 4 3 3 365 420 37,000 43,000 3032 2 225 58 53 36 4 3 380 470 39,000 47,500 332XU 225 8.5 77 63 4 3 60 825 62,500 84,500 3232U 50 25 25 20.5.5 27 226 3,000 23,00 32922XA 2 70 38 38 29 2.5 2 236 390 24,000 39,500 32022XU 70 47 47 37 2.5 2 288 500 29,400 5,000 33022U 200 4 38 32 3 2.5 325 435 33,000 44,000 30222U 200 56 53 46 3 2.5 420 605 43,000 62,000 32222U 240 54.5 50 42 4 3 480 590 49,000 60,000 30322U 240 54.5 50 42 3 3 400 465 40,500 47,000 30322 2 240 63 57 38 4 3 430 535 44,000 54,500 3322XU 240 84.5 80 65 4 3 705 970 72,000 98,500 32322U 240 84.5 80 65 3 3 620 830 63,500 84,500 32322 2 65 29 29 23.5.5 62 294 6,500 30,000 32924XU 65 29 27 23.5.5 8 205 2,000 20,900 32924 2 80 38 38 29 2.5 2 245 420 25,000 43,000 32024XU 25 43.5 40 34 3 2.5 345 470 35,500 48,000 30224U 25 6.5 58 50 3 2.5 460 680 47,000 69,500 32224U 260 59.5 55 46 4 3 560 695 57,000 7,000 30324U 260 59.5 55 46 3 3 465 550 47,500 56,000 30324 2 Minimal allowable dimension for chamfer dimension r or r. 2 This bearing does not incorporate the subunit dimensions. 20 B-96

Single Row Tapered Roller Bearings Sa Sb Da db ra ra da Db Equivalent bearing load dynamic Pr XFr Y e Fr Fr e X Y X Y 0 0.4 Y2 static Por 0.5Fr Yo When Por Fr use Por Fr For values of e, Y2 and Yo see the table below. Abutment and fillet dimensions Load Constant Axial Mass center load factors mm mm kg d a d b D a D b S a S b r as r as min max max min min min min max max a e Y 2 Y o (approx.) 08.5 07.5 3.5 27.5 35.5 4 5.5.5 24.5 0.33.82.00.4 08.5 07.5 3.5 27.5 35.5 4 5.5.5 25 0.35.73 0.95.08 0 09 4.5 34 44 6 8 2.5 32.5 0.46.3 0.72.9 0 08 4.5 35 43 7 6.5 2.5 29.5 0.29 2.09.5 2.37 4 6 68 57 68 5 8 2.5 2 36 0.42.43 0.79 3.78 4 4 68 54 7 5 0 2.5 2 4.5 0.42.43 0.79 5.2 8 27 20 84 200 5 2.5 3 2.5 4.5 0.35.74 0.96 8.56 8 27 20 84 200 5 2.5 3 2.5 42 0.35.73 0.95 7.72 8 2 20 68 202 7 2.5 3 2.5 69 0.83 0.73 0.40 8.67 8 2 20 77 200 5 7.5 3 2.5 53 0.35.74 0.96 2.7 3.5 3.5 36.5 3.5 40.5 5 5.5.5 25 0.34.76 0.97.2 7 6 50 43 54 6 9 2 2 34.5 0.44.35 0.74 2.42 7 6 50 45 53 7 9 2 2 3 0.28 2.2.7 3 9 22 78 65 78 6 9 2.5 2 38 0.42.43 0.79 4.39 9 9 78 6 80 6 0 2.5 2 44 0.42.43 0.79 6.25 23 32 2 93 209 6 2.5 3 2.5 43.5 0.35.74 0.96 9.79 23 32 2 93 209 6 2.5 3 2.5 43.5 0.35.73 0.95 8.93 23 26 2 76 2 7 22 3 2.5 7.5 0.83 0.73 0.40 9.68 23 28 2 85 209 6 8.5 3 2.5 55 0.35.74 0.96 4.5 8.5 7.5 4.5 37 45.5 5 5.5.5 26.5 0.36.69 0.93.23 22 22 60 52 63 7 9 2 2 36.5 0.43.39 0.77 3.07 22 2 60 52 6 7 0 2 2 33.5 0.29 2.09.5 3.8 24 29 88 74 88 6 9 2.5 2 40 0.42.43 0.79 5.8 24 26 88 70 90 6 0 2.5 2 47 0.42.43 0.79 7.43 28 4 226 206 222 6 2.5 3 2.5 45.5 0.35.74 0.96.4 28 4 226 206 222 6 2.5 3 2.5 44 0.35.73 0.95 0.5 28 35 226 88 224 7 25 3 2.5 76 0.83 0.73 0.40.9 28 35 226 98 222 6 9.5 3 2.5 57.5 0.35.74 0.96 8 28 35 226 98 222 6.5 9.5 3 2.5 56 0.35.73 0.95 6.9 28.5 28.5 56.5 50 60 6 6.5.5 29.5 0.35.72 0.95.77 28.5 30.5 56.5 47.5 59.5 6 6.5.5 3 0.37.60 0.88.63 32 3 70 6 73 7 9 2 2 39 0.46.3 0.72 3.25 34 40 203 87 203 6 9.5 2.5 2 44 0.44.38 0.76 6.23 34 36 203 8 204 6.5 2.5 2 5.5 0.44.38 0.76 9.08 38 52 246 22 239 6 3.5 3 2.5 49 0.35.74 0.96 4.2 38 52 246 22 239 6 3.5 3 2.5 48.5 0.35.73 0.95 3.2 B-97

Single Row Tapered Roller Bearings Metric system sizes r T C D B r d a d 20 60mm Boundary dimensions Basic load ratings Bearing dynamic static dynamic static numbers mm kn kgf d D T B C r s min r ls min C r C or C r C or 20 30 40 50 60 260 68 62 42 4 3 55 655 52,500 67,000 3324XU 260 90.5 86 69 4 3 85,30 83,000 6,000 32324U 80 32 32 25 2.5 94 350 9,800 36,000 32926XU 80 32 30 26 2 2 42 252 4,500 25,700 32926 2 200 45 45 34 2.5 2 320 545 32,500 55,500 32026XU 230 43.75 40 34 4 3 375 505 38,000 5,500 30226U 230 67.75 64 54 4 3 530 85 54,000 83,000 32226U 280 63.75 58 49 5 4 650 830 66,000 84,500 30326U 280 72 66 44 5 4 600 780 6,500 79,500 3326XU 280 98.75 93 78 4 4 895,240 9,000 26,000 32326 90 32 32 25 2.5 200 375 20,400 38,000 32928XU 20 45 45 34 2.5 2 330 580 33,500 59,500 32028XU 250 45.75 42 36 4 3 420 570 43,000 58,500 30228U 250 45.75 42 36 3 3 375 485 38,000 49,500 30228 2 250 7.75 68 58 4 3 60 920 62,500 94,000 32228U 300 67.75 62 53 5 4 735 950 75,000 97,000 30328U 300 67.75 62 53 4 4 640 780 65,000 80,000 30328 2 300 77 70 47 5 4 685 905 70,000 92,500 3328XU 300 07.75 02 85 4 4 985,370 0,000 40,000 32328 20 38 38 30 2.5 2 268 490 27,300 50,000 32930XU 225 48 48 36 3 2.5 370 655 37,500 67,000 32030XU 270 49 45 38 4 3 450 605 46,000 6,500 30230U 270 77 73 60 4 3 700,070 7,500 09,000 32230U 320 72 65 55 5 4 825,070 84,000 09,000 30330U 320 72 65 55 4 4 680 875 69,500 89,000 30330 2 320 82 75 50 5 4 775,030 79,000 05,000 3330XU 320 4 08 90 4 4,60,750 9,000 79,000 32330 220 38 38 30 2.5 2 276 520 28,200 53,000 32932XU 240 5 5 38 3 2.5 435 790 44,500 80,500 32032XU 290 52 48 40 4 3 525 720 53,500 73,500 30232U 290 84 80 67 4 3 890,420 90,500 45,000 32232U 340 75 68 58 5 4 95,200 93,500 22,000 30332U 340 75 68 58 4 4 755 975 77,000 99,500 30332 2 340 2 4 95 4 4,230,840 26,000 88,000 32332 Minimal allowable dimension for chamfer dimension r or r. 2 This bearing does not incorporate the subunit dimensions. B-98

Single Row Tapered Roller Bearings Sa Sb Da db ra ra da Db Equivalent bearing load dynamic Pr XFr Y e Fr Fr e X Y X Y 0 0.4 Y2 static Por 0.5Fr Yo When Por Fr use Por Fr For values of e, Y2 and Yo see the table below. Abutment and fillet dimensions Load Constant Axial Mass center load factors mm mm kg d a d b D a D b S a S b r as r as min max max min min min min max max a e Y 2 Y o (approx.) 38 45 246 203 244 9 26 3 2.5 82.5 0.83 0.73 0.40 5.4 38 45 246 23 239 6 2.5 3 2.5 6.5 0.35.74 0.96 22.4 40 39 7.5 63.5 74 6 7 2.5 3.5 0.34.77 0.97 2.36 40 39 70 63.5 74 6 6 2 2 34 0.37.60 0.88 2.22 42 44 90 78 92 8 2 2 43.5 0.43.38 0.76 4.96 48 52 26 203 28 7 9.5 3 2.5 45.5 0.44.38 0.76 7.25 48 46 26 93 29 7 3.5 3 2.5 57 0.44.38 0.76.2 52 64 262 239 255 8 4.5 4 3 53.5 0.35.74 0.96 7.4 52 55.5 262 24.5 263 9 28 4 3 87.5 0.83 0.73 0.40 9 48 60.5 262 230 264 2.4 20 3 3 67.5 0.35.73 0.95 27.2 50 50 8.5 77 84 6 6 2.5 34 0.36.67 0.92 2.5 52 53 200 87 202 8 2 2 46 0.46.3 0.72 5.28 58 63 236 29 237 7 9.5 3 2.5 48.5 0.44.38 0.76 9.26 58 63 236 29 237 7 9.5 2.5 2.5 47.5 0.43.39 0.77 8.37 58 58 236 20 238 9 3.5 3 2.5 6 0.44.38 0.76 4. 62 79 282 25 273 9 4.5 4 3 56.5 0.35.74 0.96 2.2 62 79 282 252 273 9 4.5 4 3 57 0.35.73 0.95 20.4 62 65 282 234 280 9 30 4 3 94 0.83 0.73 0.40 23 58 70.5 282 244 28.5 20 3 3 74.5 0.35.73 0.95 33.2 62 62 200 92 202 7 8 2 2 36.5 0.33.83.0 3.92 64 64 23 200 26 8 2 2.5 2 49.5 0.46.3 0.72 6.37 68 75 256 234 255 7 3 2.5 5.5 0.44.38 0.76.2 68 70 256 226 254 8 7 3 2.5 64.5 0.44.38 0.76 8.2 72 93 302 269 292 8 7 4 3 6 0.35.74 0.96 25.5 72 93 302 269 292 8 7 4 3 62.5 0.37.60 0.88 24.7 72 76 302 250 302 9 32 4 3 00 0.83 0.73 0.40 27.7 68 84 302 254 298 4.3 24 3 3 80 0.37.60 0.88 42 72 70.5 20 99 23.5 7 8 2 2 38.5 0.35.73 0.95 4.5 74 75 228 23 23 8 3 2.5 2 52.5 0.46.3 0.72 7.8 78 89 276 252 272 8 2 3 2.5 55.5 0.44.38 0.76 2.9 78 82 276 242 275 0 7 3 2.5 70 0.44.38 0.76 23.5 82 205 322 286 30 0 7 4 3 64 0.35.74 0.96 29.9 82 205 322 286 3 0 7 4 3 65.5 0.37.60 0.88 29.2 78 97.5 322 272 38.5 2.3 26 3 3 85 0.37.60 0.88 49 B-99

Single Row Tapered Roller Bearings Metric system sizes r T C D B r d a d 70 220mm Boundary dimensions Basic load ratings Bearing dynamic static dynamic static numbers mm kn kgf d D T B C r s min r ls min C r C or C r C or 70 80 90 200 230 38 38 30 2.5 2 286 560 29,200 57,000 32934XU 260 57 57 43 3 2.5 500 895 5,000 9,000 32034XU 30 57 52 43 5 4 60 845 62,000 86,500 30234U 30 9 86 7 5 4,000,600 02,000 63,000 32234U 360 80 72 62 5 4,00,320 03,000 35,000 30334U 360 80 72 62 4 4 845,00 86,000 3,000 30334 2 360 27 20 00 4 4,30,940 33,000 98,000 32334 250 45 45 34 2.5 2 350 700 36,000 7,500 32936XU 280 64 64 48 3 2.5 645,70 66,000 9,000 32036XUE 320 57 52 43 5 4 630 890 64,000 9,000 30236U 320 9 86 7 5 4,030,690 05,000 72,000 32236U 380 83 75 64 4 4 90,90 93,000 2,000 30336 380 34 26 06 4 4,440 2,50 47,000 29,000 32336 260 45 45 34 2.5 2 355 70 36,000 72,000 32938XU 260 45 42 36 2.5 2.5 280 525 28,600 53,500 32938 2 290 64 64 48 3 2.5 655,20 67,000 24,000 32038XUE 340 60 55 46 5 4 75,000 73,000 02,000 30238U 340 97 92 75 5 4,50,850 7,000 89,000 32238U 340 97 92 75 4 4,000,670 02,000 7,000 32238 2 400 86 78 65 5 5 935,200 95,000 23,000 30338 400 40 32 09 5 5,590 2,390 62,000 244,000 32338 280 5 5 39 3 2.5 485 895 49,000 9,000 32940XUE 30 70 70 53 3 2.5 800,470 8,500 49,000 32040XUE 360 64 58 48 5 4 785,0 80,000 3,000 30240U 360 04 98 82 5 4,320 2,30 34,000 27,000 32240U 360 04 98 82 4 4,50,970 8,000 20,000 32240 2 420 89 80 67 5 5,050,370 07,000 40,000 30340 420 46 38 5 5 5,740 2,650 78,000 270,000 32340 300 5 5 39 3 2.5 480 950 49,000 97,000 32944XUE 300 5 48 4 2.5 2.5 345 670 35,500 68,500 32944E 2 340 76 76 57 4 3 920,690 94,000 73,000 32044XU 400 72 65 54 4 4 85,220 83,000 24,000 30244 400 4 08 90 4 4,390 2,40 42,000 246,000 32244 460 97 88 73 5 5,260,690 29,000 72,000 30344 460 54 45 22 5 5 2,020 3,050 206,000 35,000 32344 Minimal allowable dimension for chamfer dimension r or r. 2 This bearing does not incorporate the subunit dimensions. 220 B-00

Single Row Tapered Roller Bearings Sa Sb Da db ra ra da Db Equivalent bearing load dynamic Pr XFr Y e Fr Fr e X Y X Y 0 0.4 Y2 static Por 0.5Fr Yo When Por Fr use Por Fr For values of e, Y2 and Yo see the table below. Abutment and fillet dimensions Load Constant Axial Mass center load factors mm mm kg d a d b D a D b S a S b r as r as min max max min min min min max max a e Y 2 Y o (approx.) 82 83 220 23 222 7 8 2 2 42.5 0.38.57 0.86 4.4 84 87 248 230 249 0 4 2.5 2 56 0.44.35 0.74 0.5 92 203 292 266 288 8 4 4 3 60.5 0.44.38 0.76 7 92 20 292 258 293 0 20 4 3 75 0.44.38 0.76 28.7 92 22 342 303 329 0 8 4 3 68 0.35.74 0.96 35.3 92 22 342 303 332 0 8 4 3 69.5 0.37.60 0.88 34.8 88 209 342 287 336.5 27 3 3 89.5 0.37.60 0.88 56.5 92 93 240 225 24 8 2 2 54 0.48.25 0.69 6.54 94 99 268 247 267 0 6 2.5 2 59.5 0.42.42 0.78 4.5 202 2 302 274 297 9 4 4 3 63 0.45.33 0.73 7.7 202 204 302 267 305 0 20 4 3 77.5 0.45.33 0.73 30.7 98 227.5 362 34 345.5 9 3 3 72.5 0.37.60 0.88 38.9 98 22 362 305 357 2.4 28 3 3 95 0.37.60 0.88 67.8 202 204 250 235 25 8 2 2 55 0.48.26 0.69 6.77 202 204 248 235 25 8 9 2 2 48.5 0.37.60 0.88 6.43 204 209 278 257 279 0 6 2.5 2 62.5 0.44.36 0.75 5. 22 228 322 295 36 9 4 4 3 64 0.44.38 0.76 20.8 22 26 322 282 323 22 4 3 82 0.44.38 0.76 36. 22 26 322 286 323 22 4 3 87.5 0.49.23 0.68 33.3 22 242 378 335 366.5 2.3 2 4 4 74.5 0.37.60 0.88 43.5 22 233.5 378 320 373.5.5 3 4 4 00 0.37.60 0.88 76.9 24 24 268 254 27 9 2 2.5 2 53.5 0.39.52 0.84 8.88 24 22 298 273 297 7 2.5 2 66.5 0.43.39 0.77 9.3 222 242 342 3 336 0 6 4 3 70 0.44.38 0.76 25.4 222 230 342 298 340 22 4 3 85 0.4.48 0.8 43.6 222 230 342 302 344 22 4 3 9.5 0.49.23 0.68 43.6 222 252.5 398 350 382.5 5.3 22 4 4 77 0.37.60 0.88 5.5 222 243.5 398 335 39.5 3.2 3 4 4 05 0.37.60 0.88 88.8 234 234 288 27 290 0 2 2.5 2 59.5 0.43.4 0.78 0.2 234 235 288 274 290 0 0 2.5 2 57 0.39.55 0.85 9.63 238 243 326 300 326 2 9 3 2.5 72.5 0.43.39 0.77 25 238 263 382 334 368 3.4 8 3 3 82 0.49.23 0.68 34.7 238 255 382 323 380.5 4.4 24 3 3 02 0.49.23 0.68 59.9 242 276.5 438 383 48.5 4.2 24 4 4 86.5 0.37.60 0.88 66.7 242 267.5 438 37 43.5 32 4 4 2 0.37.60 0.88 2.8 B-0

Single Row Tapered Roller Bearings Metric system sizes r T C D B r d a d 240 380mm Boundary dimensions Basic load ratings Bearing dynamic static dynamic static numbers mm kn kgf d D T B C r s min r ls min C r C or C r C or 240 260 280 300 320 340 360 380 320 5 5 39 3 2.5 490,000 50,000 02,000 32948XUE 360 76 76 57 4 3 930,760 95,000 79,000 32048XU 440 79 72 60 4 4 975,480 99,500 5,000 30248 440 27 20 00 4 4,700 2,750 74,000 280,000 32248 500 05 95 80 5 5,480 2,000 5,000 204,000 30348 500 65 55 32 5 5 2,330 3,600 238,000 365,000 32348 360 63.5 63.5 48 3 2.5 705,430 72,000 46,000 32952XUE 400 87 87 65 5 4,200 2,270 23,000 23,000 32052XU 480 89 80 67 5 5,70,80 9,000 85,000 30252 480 37 30 06 5 5,880 3,350 92,000 340,000 32252 380 63.5 63.5 48 3 2.5 725,520 74,000 55,000 32956XUE 420 87 87 65 5 4,220 2,350 25,000 240,000 32056XU 500 89 80 67 5 5,240,90 26,000 95,000 30256 500 37 30 06 5 5,980 3,500 202,000 355,000 32256 580 87 75 45 6 6 3,250 5,250 335,000 535,000 32356 420 76 76 57 4 3,00 2,090 03,000 23,000 32960XUE 460 00 00 74 5 4,490 2,830 52,000 289,000 32060XU 540 96 85 7 5 5,420 2,220 45,000 226,000 30260 540 49 40 5 5 5 2,300 4,00 235,000 420,000 32260 440 76 76 57 4 3,00 2,50 03,000 29,000 32964XUE 440 76 72 63 3 3 865,880 88,000 92,000 32964E 2 480 00 00 74 5 4,520 2,940 55,000 300,000 32064XU 580 04 92 75 5 5,660 2,580 70,000 263,000 30264 580 59 50 25 5 5 2,620 4,650 267,000 470,000 32264 460 76 76 57 4 3,040 2,270 06,000 232,000 32968XUE 460 76 72 63 3 3 90,980 93,000 20,000 32968E 2 520 2 06 90 5 5,650 3,50 69,000 320,000 32068 480 76 76 57 4 3,050 2,330 07,000 238,000 32972XUE 540 2 06 90 5 5,740 3,300 78,000 340,000 32072 520 87 82 72 4 4,40 2,500 6,000 255,000 32976 560 2 06 90 5 5,920 3,800 96,000 390,000 32076 Minimal allowable dimension for chamfer dimension r or r. 2 This bearing does not incorporate the subunit dimensions. B-02

Single Row Tapered Roller Bearings Sa Sb Da db ra ra da Db Equivalent bearing load dynamic Pr XFr Y e Fr Fr e X Y X Y 0 0.4 Y2 static Por 0.5Fr Yo When Por Fr use Por Fr For values of e, Y2 and Yo see the table below. Abutment and fillet dimensions Load Constant Axial Mass center load factors mm mm kg d a d b D a D b S a S b r as r as min max max min min min min max max a e Y 2 Y o (approx.) 254 254 308 290 3 0 2 2.5 2 65.5 0.46.3 0.72 0.9 258 26 346 38 346 2 9 3 2.5 78 0.46.3 0.72 26.8 258 290 422 368 408 3.9 9 3 3 9 0.49.23 0.68 47.7 258 277.5 422 365 42.5 4. 27 3 3 07 0.43.39 0.77 78.8 262 30 478 47 456 8. 25 4 4 94 0.37.60 0.88 87.2 262 29 478 402 467.5 33 4 4 20.5 0.37.60 0.88 4.9 274 279 348 325 347 5 2.5 2 69.5 0.4.48 0.8 8.8 282 287 382 352 383 4 22 4 3 85.5 0.43.38 0.76 39.4 282 32 458 396 438.5 4.2 22 4 4 99.5 0.49.23 0.68 63.4 282 302 458 385 453 2.9 3 4 4 2.5 0.49.23 0.68 03.6 294 298 368 344 368 5 2.5 2 75 0.43.39 0.76 20 302 305 402 370 402 4 22 4 3 90.5 0.46.3 0.72 4.8 302 33 478 422 464.5 5.9 22 4 4 02 0.49.23 0.68 66.6 302 38 478 405 473 6.4 3 4 4 23.5 0.49.23 0.68 0 308 340.5 552 469.5 540.5 3.4 42 5 5 37.5 0.37.60 0.88 222 38 324 406 379 405 3 9 3 2.5 80 0.39.52 0.84 3.4 322 329 442 404 439 5 26 4 3 98 0.43.38 0.76 57.2 322 356 58 453 498 4.9 25 4 4 0.49.23 0.68 84.3 322 345 58 438 5.5 2.6 34 4 4 35.5 0.49.23 0.68 38.7 338 344 426 398 426 3 9 3 2.5 85 0.42.44 0.79 33. 338 344 426 398 425 3 3 3 2.5 85 0.39.55 0.85 33.2 342 344.5 462 48.5 463 5 26 4 3 04 0.46.3 0.72 60.2 342 379 558 485 53.5 4.7 29 4 4 8.5 0.47.27 0.70 03.9 342 369 558 473 55 3.9 34 4 4 42 0.47.27 0.70 72. 358 362 446 47 446 3 9 3 2.5 90.5 0.44.37 0.75 34.9 358 362 446 44 445.5 3 3 3 2.5 87 0.39.55 0.85 36 362 374 498 452 496 3.5 22 4 4 03.5 0.37.60 0.88 78.7 378 38 466 436 466 3 9 3 2.5 96.5 0.46.3 0.72 36.6 382 393.5 58 476 59 5.5 22 4 4 06 0.37.60 0.88 83.7 398 408 502 464.5 503 4 5 3 3 0 0.40.49 0.82 5.3 402 42.5 538 495 539 6.5 22 4 4 09.5 0.37.60 0.88 89.3 B-03

Single Row Tapered Roller Bearings Metric system sizes r T C D B r d a d 400 850mm Boundary dimensions Basic load ratings Bearing dynamic static dynamic static numbers mm kn kgf d D T B C r s min r ls min C r C or C r C or 400 420 440 500 530 570 600 720 740 750 780 850 540 87 82 7 4 4,200 2,70 22,000 276,000 32980 600 25 8 00 5 5 2,80 4,250 222,000 435,000 32080 560 87 82 7 4 4,230 2,840 25,000 290,000 32984 620 25 8 00 6 5 2,280 4,550 233,000 465,000 32084 600 00 95 82 4 4,600 3,450 64,000 355,000 32988 650 30 22 04 6 6 2,530 5,000 258,000 50,000 32088 640 87.36 82 72 4 4,330 3,300 4,000 335,000 CR-000 750 50 40 20 7.5 7.5 3,00 6,950 35,000 705,000 CR-0024 670 00 95 82 5 5,540 3,800 57,000 385,000 CR-060 695 57 52 50 3 2.5 865 2,080 88,000 22,000 CR-402 870 8 93 6 6 2,870 5,700 292,000 580,000 CR-2006 880 80 75 60 5 5,300 3,450 32,000 350,000 CR-4403 900 80 75 65 5 5,370 3,700 40,000 375,000 CR-4803,000 0 07 80 6 6 2,620 5,800 267,000 590,000 CR-5002 925 95 92 75 5 5 2,20 6,600 26,000 675,000 CR-5602,20 8 2 80 6 6 2,880 7,00 294,000 720,000 CR-700 Minimal allowable dimension for chamfer dimension r or r. 2 This bearing does not incorporate the subunit dimensions. Remarks:. Bearing numbers marked designate bearing with hollow rollers and pin type cages. B-04

Single Row Tapered Roller Bearings Sa Sb Da db ra ra da Db Equivalent bearing load dynamic Pr XFr Y e Fr Fr e X Y X Y 0 0.4 Y2 static Por 0.5Fr Yo When Por Fr use Por Fr For values of e, Y2 and Yo see the table below. Abutment and fillet dimensions Load Constant Axial Mass center load factors mm mm kg d a d b D a D b S a S b r as r as min max max min min min min max max a e Y 2 Y o (approx.) 48 427 522 482 52.5 4 6 3 3 06 0.42.43 0.79 54 422 434.5 578 526 575 5 25 4 4 9 0.37.60 0.88 5 438 445.5 542 50.5 543 3.5 6 3 3.5 0.44.37 0.76 56.6 422 455.5 598 549 598 6.5 25 4 4 20 0.37.60 0.88 2 458 472.5 582 543 580.5 3.5 8 3 3 06 0.35.70 0.93 76 468 475 622 576.5 627.5 5 26 5 5 27 0.37.60 0.88 36 58 523.5 622 584.5 627.5 3.5 5 3 3 25 0.45.34 0.74 64.3 536 566.5 74 658.5 722.5.5 30 6 6 54 0.4.48 0.8 224 552 552 648 66.5 653.5 8 4 4 0.33.80 0.99 76.2 584 598.5 683 652.5 675.5 5 7 2.5 2 02.5 0.36.67 0.92 4.7 628 656 842 782.5 828.5 25 5 5 47 0.37.60 0.88 208 742 757 858 88 853.5 5.5 20 4 4 58.5 0.46.3 0.72 94 762 775.5 878 839 877.5 5 5 4 4 59 0.46.3 0.72 96 778 80.5 972 95 954 7 30 5 5 55 0.37.60 0.88 20 802 80 903 873.5 907 9.5 20 4 4 37.5 0.33.80 0.99 5 878 920.5,092,026.5,063 8.5 38 5 5 54.5 0.33.80 0.99 276 B-05

Single Row Tapered Roller Bearings Inch system sizes r T C D B r d a d 4.300 74.625mm Boundary dimensions Basic load ratings dynamic static dynamic static mm kn kgf d D T B C C r C or C r C or 4.300 20.650 27.000 39.700 46.050 52.400 55.575 58.750 60.325 6.925 65.00 68.275 273.050 82.550 82.550 53.975 760 975 77,500 99,500 279.400 82.550 82.550 53.975 760 975 77,500 99,500 273.050 82.550 82.550 53.975 760 975 77,500 99,500 295.275 82.550 87.32 57.50 880,90 89,500 22,000 304.800 88.900 82.550 57.50 820,20 83,500 5,000 288.925 82.550 87.32 57.50 880,90 89,500 22,000 295.275 82.550 87.32 57.50 880,90 89,500 22,000 307.975 88.900 93.662 66.675,00,390 03,000 42,000 304.800 88.900 82.550 57.50 820,20 83,500 5,000 3.50 88.900 82.550 57.50 820,20 83,500 5,000 307.975 88.900 93.662 6.92 880,30 89,500 33,000 307.975 88.900 93.662 66.675,00,390 03,000 42,000 330.200 85.725 79.375 53.975 875,260 89,000 29,000 342.900 85.725 79.375 53.975 875,260 89,000 29,000 304.800 66.675 69.06 42.862 540 780 55,000 79,500 288.925 63.500 63.500 47.625 680,070 69,000 09,000 374.650 87.32 79.375 60.325 845,40 86,500 7,000 288.925 63.500 63.500 47.625 550 950 56,000 97,000 288.925 63.500 63.500 47.625 680,070 69,000 09,000 3.50 82.550 82.550 65.088 925,480 94,500 5,000 336.550 92.075 95.250 69.850,060,50 08,000 54,000 330.200 85.725 79.375 53.975 875,260 89,000 29,000 288.925 63.500 63.500 47.625 550 950 56,000 97,000 288.925 63.500 63.500 47.625 680,070 69,000 09,000 298.450 82.550 82.550 63.500 80,330 83,000 36,000 3.50 82.550 82.550 63.500 80,330 83,000 36,000 3.50 82.550 82.550 65.088 925,480 94,500 5,000 Remarks:. With regard to the chamfer dimensions on the back face of the inner and outer rings, installation dimensions ras and ras are larger than the maximum value. 74.625 B-06

Single Row Tapered Roller Bearings Da db ra ra da Db Equivalent bearing load dynamic Pr XFr Y Fr e e Fr X Y X Y 0 0.4 Y2 static Por 0.5Fr Yo When Por Fr use Por Fr For values of e, Y2 and Yo see the table below. Bearing numbers Abutment and fillet dimensions Load Constant Axial Mass center load factors mm mm kg r as r as d a d b D a D b max max a e Y 2 Y o (approx.) T-HH926744/HH92670 64 47 230 253 6.4 6.4 6.6 0.63 0.95 0.52 22.2 T-HH926744/HH92676 64 47 233 253 6.4 6.4 6.6 0.63 0.95 0.52 23.5 T-HH926749/HH92670 68 47 230 253 6.4 6.4 6.6 0.63 0.95 0.52 2.7 T-HH23637/HH2365 74 50 258 264 3.5 6.4 26.7 0.32.88.04 27. T-HH93232/HH9320 82 72 260 288 6.4 6.4.9 0.73 0.82 0.45 32.8 T-HH23649/HH2360 77 6 255 264 9.7 6.4 26.7 0.32.88.04 24.4 T-HH23649/HH2365 77 6 258 264 9.7 6.4 26.7 0.32.88.04 25.8 T-HH23403/HH23400 80 68 276. 285.5 9.7 6.8 26.7 0.33.84.0 30.9 T-HH93245/HH9320 95 74 260 288 6.4 6.4.9 0.73 0.82 0.45 30.6 T-HH93245/HH9325 95 74 262 288 6.4 6.4.9 0.73 0.82 0.45 32.2 T-EE45060/4522 89 77 269 275 9.7 6.8 28.2 0.33.84.0 29.4 T-HH234048/HH23400 9 79 276 285 9.7 6.8 26.4 0.33.84.0 29.4 T-H936340/H93630 209 93 282 3 6.4 6.4 6.9 0.8 0.74 0.4 34.9 T-H936340/H93636 209 93 287 3 6.4 6.4 6.9 0.8 0.74 0.4 38.4 EE280626/28200 92 80 279 282 6.4 3.3 2.5 0.36.67 0.92 20.8 T-HM237532/HM23750 92 8 266 27 7 3.3.6 0.32.88.04 6.0 EE7063/748 207 97 322 34 6.4 3.3.5 0.7 0.85 0.47 47.9 T-94649/943 97 86 259 272 7 3.3 0.9 0.47.28 0.70 7. T-HM237535/HM23750 95 84 266 27 7 3.3.6 0.32.88.04 5.6 T-H23840/H2380 98 88 280 289 6.4 6.4 8.8 0.33.8.00 27.5 T-HH437549/HH43750 96 96 297 308 3.3 6.4 2.4 0.37.62 0.89 36.6 T-H936349/H93630 28 93 282 3.4 6.4 6.4 6.9 0.8 0.74 0.4 33.2 T-94687/943 204 93 259 272 7 3.3 0.9 0.47.28 0.70 4.7 T-HM237542/HM23750 202 9 266 27 7 3.3.6 0.32.88.04 4.7 T-EE29068/297 204 93 269 282 6.4 6.4 5.3 0.38.59 0.87 2. T-EE29068/2922 204 93 275 282 6.4 6.4 5.3 0.38.59 0.87 23.9 T-H23848/H2380 205 95 280 289 6.4 6.4 8.8 0.33.8.00 23.9 " " means that load center at outside on end of inner ring. B-07

Single Row Tapered Roller Bearings Inch system sizes r T C D B r d a d 77.800 206.375mm Boundary dimensions Basic load ratings dynamic static dynamic static mm kn kgf d D T B C C r C or C r C or 77.800 79.975 87.325 90.500 93.675 200.025 203.200 204.788 288.925 63.500 63.500 47.625 550 950 56,000 97,000 288.925 63.500 63.500 47.625 680,070 69,000 09,000 289.974 63.500 63.500 48.000 680,070 69,000 09,000 39.964 88.900 85.725 65.088 930,400 94,500 42,000 428.625 06.362 95.250 6.92,90,60 22,000 65,000 37.500 63.500 63.500 46.038 65,60 63,000 8,000 282.575 50.800 47.625 36.52 365 65 37,000 63,000 39.964 88.900 85.725 65.088 925,400 94,500 42,000 320.675 88.900 85.725 65.088 925,400 94,500 42,000 282.575 50.800 47.625 36.52 365 65 37,000 63,000 37.500 63.500 63.500 46.038 65,60 63,000 8,000 336.550 98.425 95.250 73.025,030,830 05,000 87,000 365.049 92.075 88.897 63.500 975,600 99,500 64,000 428.625 06.362 95.250 6.92,90,60 22,000 65,000 282.575 50.800 47.625 36.52 365 65 37,000 63,000 292.00 57.945 57.945 46.038 535,030 54,500 05,000 37.500 63.500 63.500 46.038 65,60 63,000 8,000 384.75 2.72 2.72 90.488,460 2,730 49,000 279,000 393.700.25.25 84.38,340 2,020 37,000 206,000 276.225 42.862 42.862 34.33 340 690 35,000 70,500 282.575 46.038 46.038 36.52 360 785 37,000 80,000 292.00 57.945 57.945 46.038 535,030 54,500 05,000 37.500 63.500 63.500 46.038 65,60 63,000 8,000 346.075 79.375 80.962 60.325 900,460 92,000 49,000 365.049 92.075 88.897 63.500 975,600 99,500 64,000 406.400 92.075 85.725 57.50 960,480 98,000 5,000 482.600 7.475 95.250 73.025,30,860 34,000 90,000 292.00 57.945 57.945 46.038 535,030 54,500 05,000 282.575 46.038 46.038 36.52 360 785 37,000 80,000 206.375 336.550 98.425 00.02 77.788,0 2,030 3,000 207,000 482.600 7.475 95.250 73.025,30,860 34,000 90,000 Remarks:. With regard to the chamfer dimensions on the back face of the inner and outer rings, installation dimensions ras and ras are larger than the maximum value. 2. Bearing numbers marked " " designate bearing with hollow rollers and pin type cages. B-08

Single Row Tapered Roller Bearings Da db ra ra da Db Equivalent bearing load dynamic Pr XFr Y Fr e e Fr X Y X Y 0 0.4 Y2 static Por 0.5Fr Yo When Por Fr use Por Fr For values of e, Y2 and Yo see the table below. Bearing numbers Abutment and fillet dimensions Load Constant Axial Mass center load factors mm mm kg r as r as d a d b D a D b max max a e Y 2 Y o (approx.) T-94700/943 207 95 259 272 7 3.3 0.9 0.47.28 0.70 4.4 T-HM237545/HM23750 205 94 266 27 7 3.3.6 0.32.88.04 4.4 T-HM237545/HM23753 205 94 267 272 7 3.6 0.32.88.04 4.6 T-H239640/H23960 202 98 293 30 3.5 4.8 22.3 0.32.88.04 30.2 EE35070/35687 230 22 365 383 6.4 6.4 3.8 0.76 0.79 0.43 77.7 T-93708/9325 209 204 286 300 3.5 3.3 7.9 0.52.5 0.63 9.0 T-87737/87 207 20 26 267 3.5 3.3 3.8 0.42.44 0.79 0.9 T-H239649/H23960 24 205 293 30 5.5 4.8 22.3 0.32.88.04 28.7 T-H239649/H23962 24 205 293 30 5.5 4.8 22.3 0.32.88.04 28.9 T-87750/87 209 203 26 267 3.5 3.3 3.8 0.42.44 0.79 0.6 T-93750/9325 28 22 286 300 4.3 3.3 7.9 0.52.5 0.63 7.9 T-HH840249/HH84020 234 26 290 38 6.4 6.4 5.4 0.58.04 0.57 36.4 T-EE42075/42437 227 28 329 334 6.4 3.3 5.4 0.40.49 0.82 42.9 EE350750/35687 240 237 365 383 6.4 6.4 3.9 0.76 0.79 0.43 75.3 T-87762/87 2 206 26 267 3.5 3.3 3.8 0.42.44 0.79 0.3 T-M24543/M2450 29 25 272 279 3.5 3.3 4.7 0.33.80 0.99.5 T-93787/9325 225 29 286 300 4.3 3.3 7.9 0.52.5 0.63 8.3 T-H247535/H24750 24 23 346 362 6.4 6.4 28. 0.33.80 0.99 53.0 HH44642/HH4464 235 226 352 357 6.4 6.4 35. 0.30 2.0. 55.9 LM2449/LM240 220 24. 260 267 3.5 3.3 2. 0.32.88.04 6.56 T-67983/67920 222 26 260 275 3.5 3.3 5.9 0.5.8 0.65 7.76 T-M24547/M2450 22 27 272 279 3.5 3.3 4.7 0.33.80 0.99.2 T-93800/9325 227 222 286 300 4.3 3.3 7.9 0.52.5 0.63 6.5 T-HM542948/HM5429 224 224 35 322.5 3.3 9 0.39.55 0.85 28.8 T-EE42080/42437 230 227 329 334.4 3.3 3.3 5.4 0.40.49 0.82 40.7 EE4080/460 246 237 349 374 6.4 6.4 27.9 0.80 0.75 0.4 54.8 T-EE380080/38090G2 262 256 402 428 6.4 6.4 34.3 0.87 0.69 0.38 08 T-M24549/M2450 223 29 272 279 3.5 3.3 4.7 0.33.80 0.99.0 T-67985/67920 224 29 260 275 3.5 3.3 5.9 0.5.8 0.65 8.4 T-H242649/H24260 23 227 306 38 3.3 3.3 25.4 0.33.80 0.99 32. T-EE38008/38090G2 264 258 402 428 6.4 6.4 34.3 0.87 0.69 0.38 07 " " means that load center at outside on end of inner ring. B-09

Single Row Tapered Roller Bearings Inch system sizes r T C D B r d a d 209.550 237.330mm Boundary dimensions Basic load ratings dynamic static dynamic static mm kn kgf d D T B C C r C or C r C or 209.550 22.725 25.900 26.408 220.662 228.397 228.460 228.600 23.775 234.950 237.330 282.575 46.038 46.038 36.52 360 785 37,000 80,000 37.500 63.500 63.500 46.038 65,60 63,000 8,000 285.750 46.038 46.038 34.925 380 820 38,500 83,500 285.750 46.038 46.038 34.925 380 820 38,500 83,500 290.00 3.750 3.750 22.225 206 405 2,00 4,000 285.750 46.038 49.22 34.925 380 820 38,500 83,500 34.325 6.92 6.92 49.22 625,220 63,500 25,000 43.800 92.075 85.725 49.22 855,240 87,000 26,000 43.800 92.075 85.725 49.22 855,240 87,000 26,000 300.038 33.338 3.750 23.82 25 435 22,000 44,500 327.025 52.388 52.388 36.52 475 950 48,500 97,000 355.600 68.262 66.675 47.625 640,270 65,500 30,000 355.600 69.850 69.850 49.22 75,260 73,000 28,000 355.600 69.850 69.850 50.800 720,240 73,500 27,000 358.775 7.438 7.438 53.975 85,640 83,000 68,000 400.050 88.900 87.32 63.500 945,620 96,500 66,000 488.950 23.825.25 73.025,570 2,260 6,000 23,000 300.038 33.338 3.750 23.82 25 435 22,000 44,500 336.550 65.088 65.088 50.800 70,40 72,500 44,000 358.775 7.438 7.438 53.975 85,640 83,000 68,000 3.50 46.038 46.038 33.338 405 820 4,500 83,500 34.325 49.22 49.22 36.52 470 935 48,000 95,500 327.025 52.388 52.388 36.52 475 950 48,500 97,000 355.600 68.262 66.675 47.625 640,270 65,500 30,000 38.000 74.62 74.62 57.50 885,790 90,500 83,000 384.75 2.72 2.72 90.488,460 2,730 49,000 279,000 336.550 65.088 65.088 50.800 70,40 72,500 44,000 358.775 7.438 7.438 53.975 85,640 83,000 68,000 Remarks:. With regard to the chamfer dimensions on the back face of the inner and outer rings, installation dimensions ras and ras are larger than the maximum value. 2. Bearing numbers marked " " designate bearing with hollow rollers and pin type cages. B-0