Catalyst
 

Four-row Tapered Roller Bearings

Principal dimensions mm
Designations
Chamter dimensions mm
Basic load ratings kN
Weight
Weight
Principal dimensions
Chamfer dimensions
Basic load ratings
d
D
B
T
Designations
rmin
r1min
dyc
stc
Kg
mm
mm
mm
mm
axial direction
radial direction
axial direction
radial direction
Cr
Cor
187.325 7.375 269.875 10.625 211.138 8.3125 211.138 8.3125 M238849D/M238810-M238810D 1.5 1.5 3.3 3.3 1250 3430 41.5
288.925 11.375 406.4 16 298.45 11.75 298.45 11.75 M255449DW/M255410-M255410D 3.3 3.3 3.3 3.3 2640 8150 125
304.902 12.004 412.648 16.246 266.7 10.5 266.7 10.5 M257248DW/M257210-M257210D 3.3 3.3 3.3 3.3 2600 7000 102
341.312 13.4375 457.098 17.996 254 10 254 10 LM761648DW/LM761610-LM761610D 2 1.5 3.3 3.3 2350 7400 112
343.052 13.506 457.098 17.996 254 10 254 10 K1-LM761649DW/LM761610-LM761610D 2 1.5 3.3 3.3 2350 7400 110
343.052 13.506 457.098 17.996 254 10 254 10 LM761649DW/LM761610-LM761610D 2 1.5 3.3 3.3 2350 7350 110
374.65 14.75 501.6 17.948 250.825 9.875 260.35 10.25 EE231475D/231975-231976D 1.5 1.5 3.3 3.3 2340 7550 141
384.175 15.125 546.1 21.5 400.05 15.75 400.05 15.75 HM266449DW/HM266410-HM266410CD 3.3 3.3 6.4 6.4 5000 16400 310
431.8 17 571.5 22.5 336.55 13.25 336.55 13.25 LM769349D/LM769310-LM769310D 1.5 1.5 6.4 6.4 3410 11500 233
482.6 19 615.95 24.25 330.2 13 330.2 13 LM272249DW/LM272210-LM272210D 6.4 6.4 6.4 6.4 4100 15200 252
501.65 19.75 711.2 28 520.7 20.5 520.7 20.5 M274149DW/M274110-M274110D 3.3 3.3 6.4 6.4 7650 26900 687
241.478 9.507 349.148 13.746 228.6 9 228.6 9 EE127097D/127135-127136D 1.5 1.5 3.3 3.3 1590 4350 71.9
508 20 695.325 27.375 415.925 16.375 415.925 16.375 LM274049DW/LM274010-LM274010D 3.3 3.3 6.4 6.4 5800 19600 464
241.478 9.507 349.148 13.746 228.6 9 228.6 9 KEE127097D/K127135-K127136D 1.5 1.5 3.3 3.3 1590 4350 71.9
244.475 9.625 327.025 12.875 193.675 7.625 193.675 7.625 LM247748DW/LM247710-LM247710D 3.3 1.5 3.3 3.3 1300 3930 42.7
254 10 358.775 14.125 269.875 10.625 269.875 10.625 M249748D/M249710-M249710D 3.3 3.3 3.3 3.3 2080 6050 88.9
254 10 358.775 14.125 269.875 10.625 269.875 10.625 M249748DW/M249710-M249710D 3.3 3.3 3.3 3.3 2080 6050 88.9
266.7 10.5 355.6 14 230.188 9.0625 228.6 9 LM451349DW/LM451310-LM451310D 3.3 1.5 3.3 3.3 1770 5560 65.3
269.875 10.625 381 15 282.575 11.125 282.575 11.125 M252349DW/M252310-M252310D 3.3 3.3 3.3 3.3 2340 7550 105
279.4 11 393.7 15.5 269.875 10.625 269.875 10.625 KEE135111DW/K135155-K135156D 2 1.5 6.4 6.4 2040 6200 103
187.325 7.375 269.875 10.625 211.138 8.3125 211.138 8.3125 M238849D/M238810-M238810D 1.5 1.5 3.3 3.3 1250 3430 41.5
288.925 11.375 406.4 16 298.45 11.75 298.45 11.75 M255449DW/M255410-M255410D 3.3 3.3 3.3 3.3 2640 8150 125
304.902 12.004 412.648 16.246 266.7 10.5 266.7 10.5 M257248DW/M257210-M257210D 3.3 3.3 3.3 3.3 2600 7000 102
341.312 13.4375 457.098 17.996 254 10 254 10 LM761648DW/LM761610-LM761610D 2 1.5 3.3 3.3 2350 7400 112
343.052 13.506 457.098 17.996 254 10 254 10 K1-LM761649DW/LM761610-LM761610D 2 1.5 3.3 3.3 2350 7400 110
343.052 13.506 457.098 17.996 254 10 254 10 LM761649DW/LM761610-LM761610D 2 1.5 3.3 3.3 2350 7350 110
374.65 14.75 501.6 17.948 250.825 9.875 260.35 10.25 EE231475D/231975-231976D 1.5 1.5 3.3 3.3 2340 7550 141
384.175 15.125 546.1 21.5 400.05 15.75 400.05 15.75 HM266449DW/HM266410-HM266410CD 3.3 3.3 6.4 6.4 5000 16400 310
431.8 17 571.5 22.5 336.55 13.25 336.55 13.25 LM769349D/LM769310-LM769310D 1.5 1.5 6.4 6.4 3410 11500 233
482.6 19 615.95 24.25 330.2 13 330.2 13 LM272249DW/LM272210-LM272210D 6.4 6.4 6.4 6.4 4100 15200 252
501.65 19.75 711.2 28 520.7 20.5 520.7 20.5 M274149DW/M274110-M274110D 3.3 3.3 6.4 6.4 7650 26900 687
241.478 9.507 349.148 13.746 228.6 9 228.6 9 EE127097D/127135-127136D 1.5 1.5 3.3 3.3 1590 4350 71.9
508 20 695.325 27.375 415.925 16.375 415.925 16.375 LM274049DW/LM274010-LM274010D 3.3 3.3 6.4 6.4 5800 19600 464
241.478 9.507 349.148 13.746 228.6 9 228.6 9 KEE127097D/K127135-K127136D 1.5 1.5 3.3 3.3 1590 4350 71.9
244.475 9.625 327.025 12.875 193.675 7.625 193.675 7.625 LM247748DW/LM247710-LM247710D 3.3 1.5 3.3 3.3 1300 3930 42.7
254 10 358.775 14.125 269.875 10.625 269.875 10.625 M249748D/M249710-M249710D 3.3 3.3 3.3 3.3 2080 6050 88.9
254 10 358.775 14.125 269.875 10.625 269.875 10.625 M249748DW/M249710-M249710D 3.3 3.3 3.3 3.3 2080 6050 88.9
266.7 10.5 355.6 14 230.188 9.0625 228.6 9 LM451349DW/LM451310-LM451310D 3.3 1.5 3.3 3.3 1770 5560 65.3
269.875 10.625 381 15 282.575 11.125 282.575 11.125 M252349DW/M252310-M252310D 3.3 3.3 3.3 3.3 2340 7550 105
279.4 11 393.7 15.5 269.875 10.625 269.875 10.625 KEE135111DW/K135155-K135156D 2 1.5 6.4 6.4 2040 6200 103