NTN - Large Bearings

Single Row Tapered Roller Bearings
Da db
r1a
ra
da
Db
Equivalent bearing load
dynamic
PrXFrYFa
Fa
Fr
e
Fa
e Fr
X Y X Y
1 0 0.4 Y2
static
Por0.5FrYoFa
When PorFr use PorFr
For values of e, Y2 and Yo
see the table below.
Bearing numbers Abutment and fillet dimensions Load 1 Constant Axial Mass
center
load factors
mm mm kg
r as r 1as
d a d b D a D b max max a e Y 2 Y o (approx.)
EE790120/790221 335 335 501 513 1.3 6.4 23.8 0.39 1.52 0.84 131
EE291250/291750 346 334 416 415 8 1.5 –9.1 0.38 1.58 0.87 29.5
T-HM259048/HM259010 341 337 418 428 3.5 3.3 4.8 0.33 1.79 0.99 37.3
H961649/H961610G2 410 373 531 582 14.3 12.7 –60.7 0.95 0.63 0.35 203
T-L860048/L860010 367 345 394 402 12.7 3.3 –35.4 0.50 1.20 0.66 13.3
T-L860049/L860010 349 345 394 402 3.5 3.3 –35.4 0.50 1.20 0.66 13.3
T-EE161300/161900 367 356 451 455 7 6.4 –33.6 0.50 1.20 0.66 35.9
EE526130/526190 360 351 449 454 6.4 3.3 –2.8 0.39 1.53 0.84 51.0
HM261049/HM261010A 363 357 439 449 6.4 3.3 5.4 0.33 1.79 0.99 43.4
LM361649/LM361610 373 360 425 435 8.5 3.5 –8.7 0.35 1.71 0.94 25.0
LM961548/LM961511 367 363 423 443 3.3 3.3 –53.6 0.71 0.84 0.46 30.0
EE971354/972100 373 367 501 501 4.8 3.3 –2.5 0.33 1.80 0.99 55.6
T-EE161363/161900 379 368 451 455 7 6.4 –33.6 0.50 1.20 0.66 32.8
T-HM262748/HM262710 377 367 456 467 6.4 3.3 6.4 0.33 1.79 0.99 52.5
T-HM262749/HM262710G2 377 367 456 467 6.4 3.3 6.4 0.33 1.79 0.99 49.7
EE333137/333197 382 372 470 478 6.4 3.3 –1.9 0.36 1.65 0.90 56.4
T-L163149/L163110 374 370 422 430 3.5 3.3 –7.2 0.31 1.95 1.07 18.8
T-EE161400/161850 386 375 445 455 7 6.4 –33.6 0.50 1.20 0.66 27.3
T-EE161400/161900 386 375 451 455 7 6.4 –33.6 0.50 1.20 0.66 30.8
T-EE231400/231975 388 379 472 481 6.4 3.3 –19.8 0.44 1.36 0.75 44.9
EE333140/333197 387 377 470 483 6.4 3.3 –1.9 0.36 1.65 0.90 50.8
LL562749/LL562710 372 371 396 401 2.3 1.5 –38.3 0.40 1.49 0.82 3.56
HM265049/HM265010G2 400 394 487 499 6.4 6.4 8 0.33 1.80 0.99 61.7
T-EE231462/231975 400 390 472 481 6.4 3.3 –19.8 0.44 1.36 0.75 40.7
LM565943/LM565910 407 397 493 500 6.4 3.3 –7.6 0.39 1.56 0.86 54.5
L865547/L865512 407 395 456 465 6.4 3.3 –42.4 0.49 1.21 0.67 20.0
EE192150/192200 410 400 478 482 6.4 3.3 –40.6 0.53 1.13 0.62 34.4
1 "" means that load center at outside on end of inner ring.
B-117