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.)
32 12 90 2-2 355.5 444 8 2.5 2.5 1.05 0.64 0.96 0.63 59.7
407 624 8 5 6 0.90 0.75 1.12 0.73 383
32 12 90 2-2 409.5 576 6.5 2.5 2.5 0.55 1.24 1.84 1.21 209
50 20 90 2-2 410 510 1.5 5 5 0.87 0.78 1.16 0.76 252
40 12 90 2-2 389.5 518 4.7 4 4 0.70 0.97 1.44 0.94 160
34 20 90 2-2 420 608 8 5 4 0.76 0.88 1.31 0.86 316
414.5 537.5 1.5 4 4 0.70 0.97 1.44 0.94 133
50.8 40 45 2-2 435 622 1.5 2.5 5 1.05 0.64 0.96 0.63 329
50 15 90 2-2 430 622 8 2.5 5 1.05 0.64 0.96 0.63 338.2
50.4 38.1 45 1-2 449 618 2.5 5 12 0.81 0.83 1.23 0.81 260
64.3 32 45 1-2 437 622 8 2.5 5 1.05 0.64 0.96 0.63 303
63.6 32 45 1-2 456 535 2.5 3 5 0.80 0.85 1.26 0.83 303
64.3 32 45 1-2 437 622 8 2.5 5 1.05 0.64 0.96 0.63 303
64.3 32 45 1-2 454 622 2.5 3 5 0.80 0.85 1.26 0.83 303
64.3 32 45 1-2 454 622 1.5 5 5 0.80 0.85 1.26 0.83 303
64.3 32 45 1-2 454 622 8 5 5 0.80 0.85 1.26 0.83 303
63.6 32 45 2-2 454 622 2.5 3 5 0.80 0.85 1.26 0.83 302
64.3 32 45 1-2 454 622 8 4 5 0.80 0.85 1.26 0.83 303
64.3 32 45 1-2 454 622 2 5 5 0.80 0.85 1.26 0.83 303
64.3 32 45 1-2 437 525 8 4 5 1.05 0.64 0.96 0.63 292
11.25 454 622 1.5 5 5 0.80 0.85 1.26 0.83 303
64.3 32 45 1-2 454 622 2.5 3 5 0.80 0.85 1.26 0.83 303
64.3 32 45 2-2 454 622 1.5 5 5 0.80 0.85 1.26 0.83 303
63.6 32 45 1-2 11.25 454 622 1.5 5 5 0.80 0.85 1.26 0.83 303
64.3 32 45 1-2 437 622 8 2.5 5 1.05 0.64 0.96 0.63 303
11.25 437 622 8 5 5 1.05 0.64 0.96 0.63 303
50.8 10 90 1-2 440 562 1.5 4 3 0.83 0.81 1.21 0.79 133
487 622 6.5 5 5 0.80 0.85 1.26 0.83 163
50 15 90 2-2 489 600 8 3 3 1.05 0.64 0.96 0.63 126
489.5 600 1.5 3 3 1.05 0.64 0.96 0.63 120
50.8 35 45 2-2 500 692 4.8 2 5 0.80 0.85 1.26 0.83 388
B-177