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Design Variants
Cage
Tolerance
Internal clearance

Four row taper bearings normally features two single raceway outer rings, a double raceway outer rings and two double raceway inner rings,

and two outer spacers and on inner spacer. These bearings can accommodate big radial toads, but the speed ratings are very low. This type bearing is mainly used in heavy-duty machines.


  • Four row taper bearings normally features two single raceway outer rings, a double raceway outer rings and two double raceway inner rings,

    and two outer spacers and on inner spacer. These bearings can accommodate big radial toads, but the speed ratings are very low. This type bearing is mainly used in heavy-duty machines.


  • DHK four row taper roller bearings are produced with pressed steel cages as standard. For some bigger size bearings, also can be fitted with pin-type steel cages.

  • For detailed of the tolerance and internal clearance of four row taper roller bearings, please contact to technical department of DHK or specified clear during place an order.

  • For detailed of the tolerance and internal clearance of four row taper roller bearings, please contact to technical department of DHK or specified clear during place an order.



Dimensions and Parameters
InquiryDesignationBoundary dimension[mm] Mass(kg)AFBMADesignLoad ratings[kN]Calculation factors
dDTBr1,r2 Minr3,r4 MinDyn CrStat CoreY1Y2Y0K
331081A 501.650
19.7500
711.2 520.7 520.7 3.2 6.4 755 M274149D/M274110/M274110D 21 9680 16900 0.33 2 3 2 1.76
501.650
19.7500
28 20.5 20.5 0.125 0.25
332131 508
20.0000
762 463.5 463.5 6.4 6.4 730 EE531201D/531300/531301XD 21 9520 23000 0.37 1.8 2.7 1.8 1.54
508
20.0000
30 18.25 18.25 0.25 0.25
331747 510
20.0787
655 379 377 1.5 6.4 330 -- 21 6050 18400 0.33 2 3 2 1.76
510
20.0787
25.7874 14.9213 14.8425 0.059 0.25
331157A 514.350
20.2500
673.1 422.275 422.275 3.2 6.4 410 LM274449DW/LM274410/LM274410D 21 6820 20600 0.31 2.2 3.3 2.2 1.83
514.350
20.2500
26.5 16.625 16.625 0.125 0.25
331078A 519.112
20.4375
736.6 536.575 536.575 3.3 6.4 755 M275349D/M275310/M275310D 21 10600 30500 0.33 2 3 2 1.76
519.112
20.4375
29 21.125 21.125 0.13 0.25
BT4B332666/HA11) 522.023
20.5521
812.8 593.725 593.725 3.3 6.4 1105 -- 11 12500 35000 0.33 2 3 2 1.76
522.023
20.5521
32 23.375 23.375 0.13 0.25
BT4B331174/HA1 536.575
21.1250
761.873 558.8 558.8 66 6.4 835 M276449D/M276410/M276410D 21 10800 31300 0.33 2 3 2 1.76
536.575
21.1250
29.995 22 22 0.13 0.25
331978 540
21.2598
690 400 400 3 6 375 -- 21 6600 19900 0.33 2 3 2 1.76
540
21.2598
27.1654 15.748 15.748 0.118 0.236
331165A 558.800
22.0000
736.6 322.268 322.265 3.2 6.4 375 EE843221D/843290/843291D 21 5940 15900 0.35 1.9 2.9 1.8 1.7
558.800
22.0000
29 12.6877 12.6876 0.125 0.25
A330993B 558.800
22.0000
736.6 409.575 409.575 3.2 6.4 475 LM377449D/LM377410/LM377410D 21 7480 22100 0.35 1.9 2.9 1.8 1.67
558.800
22.0000
29 16.125 16.125 0.125 0.25
BT4B331346/HA1 558.800
22.0000
736.6 157.2 455.612 3.3 6.4 575 LM277149DA/LM277110/LM277110D 21 7920 24700 0.33 2 3 2 1.76
558.800
22.0000
29 18 17.9375 1.3 0.25
330529B 571.500
22.5000
812.8 593.725 593.725 3.3 6.4 1000 M278749D/M278710/M278710D 22 12500 35000 0.33 2 3 2 1.86
571.500
22.5000
32 23.735 23.375 0.13 0.25
331477 571.500
22.5000
812.8 593.725 593.725 3.3 6.4 1000 M278749D/M278710/M278710D 21 12500 35000 0.33 2 3 2 1.86
571.500
22.5000
32 23.375 23.375 0.13 0.25
331189 584.200
23.0000
730.25 349.25 342.9 1.6 6.4 330 -- 21 5230 15900 0.43 1.6 2.3 1.6 1.36
584.200
23.0000
28.75 13.75 13.5 0.063 0.25
331148A 584.200
23.0000
762 401.638 395.875 3.2 6.4 485 LM778549D/LM778510/LM778510D 21 7210 21300 0.48 1.4 2.1 1.4 1.24
584.200
23.0000
30 15.8125 15.625 0.125 0.25

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