NTN - Large Bearings

Double Row Steep Slope Tapered Roller Bearings (Inside Direction)
Sa
Kr
Da
ras
rlas
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.
Drawing D
Groove dimensions Abutment and fillet dimensions Constant Axial load factors Mass
mm numbers mm mm kg
width depth angle key groove d a D a S a r as r las
K w K d ˚ side face K r max min min max max e Y 1 Y 2 Y o (approx.)
306 505.5 1.5 5 5 1.09 0.62 0.92 0.61 272
300 398 5 2 2.5 1.05 0.64 0.96 0.63 49
32 13 45 1-2 299.5 368 6.5 2 2.5 0.81 0.83 1.23 0.81 29
32.13 22.225 45 1-2 325 422 4.5 3 4 0.81 0.83 1.23 0.81 54
32.1 22.2 45 1-2 325 381.5 4.5 2.5 3 0.81 0.83 1.23 0.81 54
40 15 90 2-2 345 478 1.5 4 5 1.19 0.57 0.85 0.56 143
50.8 34.925 45 2-2 342 478 1.5 4 5 0.76 0.88 1.31 0.86 158
341 478 1.5 4 5 0.76 0.88 1.31 0.86 158
332.5 502 1.5 3 4 1.17 0.58 0.86 0.56 187
344 472 1.5 5 5 1.19 0.57 0.84 0.55 158
343 472 2.5 5 5 1.19 0.57 0.84 0.55 155
51.5 35 45 2-2 347 478 1.5 4 5 0.70 0.97 1.44 0.94 135
50.9 35 45 2-2 342 478 1.5 4 5 0.76 0.88 1.31 0.86 155
40.5 35 45 2-2 347 478 1.5 4 5 0.70 0.97 1.44 0.94 155
50.8 34.925 45 1-2 342 478 1.5 4 5 0.76 0.88 1.31 0.86 155
372.5 542 1.5 3 4 0.92 0.73 1.09 0.72 193
50 19 90 2-2 369 514 1.5 9 5 1.09 0.62 0.92 0.61 218
50 19 90 2-2 369 468 1.5 19 5 1.09 0.62 0.92 0.61 218
50.7 39.7 45 1-2 372 514 1.5 9 5 1.09 0.62 0.92 0.61 218
350 542 1.5 3 5 1.09 0.62 0.92 0.61 192
50.8 19.05 90 2-2 14.5 372 470 1.5 18 5 1.09 0.62 0.92 0.61 218
50.8 39.69 45 2-2 372 516 1.5 8 5 1.09 0.62 0.92 0.61 218
50.8 19.05 90 2-2 354 470 4.7 18 5 1.09 0.62 0.92 0.61 218
50.8 34.9 45 1-2 347 478 1.5 4 5 0.70 0.97 1.44 0.94 155
7.938 334 478 3.5 5 4 0.70 0.97 1.44 0.94 155
7.938 334 478 3.5 5 4 0.70 0.97 1.44 0.94 155
355 546 1.5 3 2.5 1.09 0.62 0.92 0.61 217
350 532 8 3 3 1.09 0.62 0.92 0.61 217
50.7 19 90 2-2 353.5 476 4.7 5 17 1.09 0.62 0.92 0.61 217
350 582 5.5 2 3 1.09 0.62 0.92 0.61 169
B-175