NTN - Large Bearings

Double Row Tapered Roller Bearings (Inside Direction)
Sa
Da
r1a
ra
da
Equivalent bearing load
dynamic
PrXFrYFa
Fa
Fr
e
Fa
e Fr
X Y X Y
1 Y1 0.67 Y2
static
PorFrYoFa
For values of e, Y2 and Yo
see the table below.
Bearing numbers Abutment and Load 1 Constant Axial load factors Mass
fillet dimensions center
mm mm kg
d a D a r as r las
min min max max a e Y 1 Y 2 Y o (approx.)
EE135111D/135155+A 297 368 1.5 6.4 24 0.40 1.68 2.50 1.64 48.1
HH255149D/HH255110+A 309 412 1.5 6.4 –49 0.33 2.03 3.02 1.98 158
T-LM654648D/LM654610+A 302 356 1.5 3.3 36 0.43 1.56 2.33 1.53 36.7
M255449D/M255410A+A 310 379 3.3 3.3 3 0.34 2.00 2.98 1.96 58.1
T-HM256849D/HM256810G2+A 322 394 3.3 3.3 66 0.34 2.00 2.99 1.96 65.6
EE329119D/329172+A 327 410 3.3 3.3 11.5 0.33 2.04 3.04 2.00 64.3
M257149D/M257110+A 322 392 1.5 6.4 12.5 0.33 2.03 3.02 1.98 53.1
EE291200D/291750+A 337 416 7.9 1.5 34 0.38 1.78 2.65 1.74 55.7
M257248D/M257210+A 325 388 3.3 3.3 9.5 0.32 2.12 3.15 2.07 49
M757449D/M757410+A 328 407 3.3 4.8 44 0.47 1.43 2.12 1.40 65.3
LM258648D/LM258610+A 334 398 1.5 3.3 9 0.32 2.10 3.13 2.06 49.1
T-HM259049D/HM259010+A 340 418 3.3 3.3 3 0.33 2.02 3.00 1.97 77.9
HM261049D/HM261010A+A 357 439 3.3 3.3 3.5 0.33 2.02 3.00 1.97 90.1
LM761649D/LM761610+A 361 432 1.5 3.3 63 0.47 1.43 2.12 1.40 55
T-HM262749D/HM262710G2+A 371 456 3.3 3.3 2 0.33 2.02 3.00 1.97 103
M262449D/M262410+A 369 443 3.3 3.3 14.5 0.33 2.03 3.02 1.98 68
T-L163149D/L163110+A 370 422 1.5 3.3 22.5 0.31 2.20 3.27 2.15 40.1
LM263149D/LM263110+A 372 434 1.5 3.3 23 0.32 2.12 3.15 2.07 49.1
LM763449D/LM763410+A 375 453 1.5 3.3 62.5 0.47 1.43 2.14 1.40 67.4
M263349D/M263310+A 374 459 1.5 3.3 11.5 0.33 2.03 3.02 1.98 85.4
T-EE231401D/231975+A 382 472 3.3 3.3 62 0.44 1.53 2.28 1.50 68.5
HM265049D/HM265010G2+A 394 487 3.3 6.4 1.5 0.33 2.03 3.02 1.98 130
T-HM266449D/HM266410G2+A 411 507 3.3 6.4 1.5 0.33 2.03 3.02 1.98 153
1 "" means the load center is out side the inner ring.
B-165