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.
3.5 52.0 58.0 1.3 82.0 76.0 1.68 2.2 0.170 1.3 6200 0.65
8 0.14 2.05 2.28 0.05 3.23 2.99 9.60 504 0.97 298 6200 1.43
0 3.5 74.0 80.0 3.3 108.0 99.0 2.33 3.3 0.318 2.3 4600 1.18
8 0.14 2.91 3.15 0.13 4.25 3.90 13.30 749 1.82 516 4600 2.61
0 3.5 77.0 83.0 0.8 115.0 108.0 2.08 3.4 0.261 2.3 4300 1.36
8 0.14 3.03 3.27 0.03 4.53 4.25 11.90 774 1.49 510 4300 2.99
0 3.5 78.0 85.0 3.3 121.0 112.0 2.71 4.7 0.303 2.9 4100 1.97
8 0.14 3.07 3.35 0.13 4.76 4.41 15.50 1060 1.73 660 4100 4.34
0 3.5 80.0 87.0 3.3 114.0 104.0 2.38 3.3 0.383 2.5 4300 1.25
2 0.14 3.15 3.43 0.13 4.49 4.09 13.60 747 2.19 557 4300 2.75
0 3.5 90.0 96.0 1.5 123.0 115.0 2.27 2.8 0.332 2.0 3800 1.08
2 0.14 3.54 3.78 0.06 4.84 4.53 12.90 632 1.90 450 3800 2.37
0 3.0 98.0 104.0 3.3 152.0 134.0 2.52 3.9 0.518 3.3 3300 2.13
2 0.12 3.86 4.09 0.13 5.98 5.28 14.40 879 2.96 741 3300 4.70
0 3.5 106.0 113.0 3.3 160.0 149.0 3.39 6.4 0.635 5.1 3000 3.79
2 0.14 4.17 4.45 0.13 6.30 5.87 19.30 1430 3.62 1150 3000 8.36
0 3.5 112.0 118.0 3.3 160.0 149.0 3.39 6.4 0.635 5.1 3000 3.47
2 0.14 4.41 4.65 0.13 6.30 5.87 19.30 1430 3.62 1150 3000 7.66
3 3.5 125.0 132.0 3.3 181.0 171.0 4.28 8.7 0.627 6.2 2700 5.31
3 0.14 4.92 5.20 0.13 7.13 6.73 24.50 1960 3.58 1400 2700 11.70
mm
in.
N/mm
lbs./in.
kN
lbs.
N/mm
lbs./in.
kN
lbs.
RPM
Wt.
kg
lbs.
A
TIMKEN MACHINE TOOL CATALOG 119