Timken Super Precision Bearings for Machine Tool Applications

Tapered Roller Bearings
B
R
Max Shaft
Fillet Rad. at
Cone Backface
mm
in.
Mounting Dimensions
d a d b r
Max Housing
Fillet Rad. at
Speed
Shaft Backing Diameter Cup Backface Housing Backing Diameter K r(10 6 ) F r K a(10 6 ) F a Rating (5)
mm
in.
mm
in.
mm
in.
mm
in.
2.0 66.0 69.0 2.0 98.0 91.0 1.22 2.1 0.231 1.7 5100 0.61
8 0.08 2.60 2.72 0.08 3.86 3.58 6.97 472 1.32 382 5100 1.34
0 2.0 76.0 80.0 2.0 105.5 101.0 1.33 2.2 0.239 1.7 4500 0.69
8 0.08 2.99 3.15 0.08 4.15 3.98 7.59 495 1.36 382 4500 1.52
0 2.0 86.0 89.0 2.0 129.0 115.0 1.53 2.7 0.264 2.1 3900 0.95
8 0.08 3.39 3.50 0.08 5.08 4.53 8.74 607 1.51 472 3900 2.09
0 2.0 97.0 100.0 2.0 133.0 125.0 1.64 2.8 0.338 2.4 3600 1.09
8 0.08 3.82 3.94 0.08 5.24 4.92 9.36 629 1.93 540 3600 2.40
0 3.0 102.0 108.0 3.0 142.0 134.0 1.80 3.0 0.341 2.4 3300 1.32
2 0.12 4.02 4.25 0.12 5.59 5.28 10.28 674 1.95 540 3300 2.91
0 3.0 106.0 112.0 3.0 142.0 134.0 1.80 3.0 0.341 2.4 3300 1.13
2 0.12 4.17 4.41 0.12 5.59 5.28 10.28 674 1.95 540 3300 2.49
0 3.0 137.0 143.0 3.0 188.0 172.0 2.45 4.7 0.464 3.8 2600 2.20
2 0.12 5.39 5.63 0.12 7.40 6.77 13.99 1057 2.65 854 2600 4.85
0 3.0 148.0 153.0 3.0 198.0 182.0 2.60 4.9 0.556 4.2 2400 2.31
2 0.12 5.83 6.02 0.12 7.80 7.17 14.85 1102 3.17 944 2400 5.09
3 3.3 158.0 164.0 3.3 200.0 190.0 3.30 4.6 0.588 3.6 2200 2.69
3 0.13 6.22 6.46 0.13 7.87 7.48 18.84 1034 3.36 809 2200 5.93
mm
in.
N/mm
lbs./in.
kN
lbs.
N/mm
lbs./in.
kN
lbs.
RPM
Wt.
kg
lbs.
A
TIMKEN MACHINE TOOL CATALOG 117