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
r
b
Max Housing
Fillet Rad. at
D a D b Stiffness (6) 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.
mm
in.
3.6 71.1 77.0 3.3 103.1 96.0 2.15 2.65 0.385 2.07 4500 0.91
0.14 2.80 3.03 0.13 4.06 3.78 12.30 595 2.20 466 4500 2.01
2.3 73.9 78.0 1.3 103.9 101.1 1.53 2.38 0.208 1.63 4600 0.75
0.09 2.91 3.07 0.05 4.09 3.98 8.73 534 1.19 367 4600 1.65
3.6 80.0 86.1 3.3 109.0 101.1 2.19 2.65 0.440 2.21 4200 0.88
0.14 3.15 3.39 0.13 4.29 3.98 12.50 596 2.51 497 4200 1.95
3.6 83.1 88.9 2.0 116.1 110.0 1.62 2.45 0.278 1.89 4100 0.95
0.14 3.27 3.50 0.08 4.57 4.33 9.25 551 1.59 425 4100 2.09
3.6 93.0 99.1 3.3 130.0 121.9 2.31 3.71 0.387 2.82 3700 1.52
0.14 3.66 3.90 0.13 5.12 4.80 13.20 834 2.21 633 3700 3.34
3.6 100.1 105.9 3.3 137.9 129.0 2.52 3.93 0.489 3.21 3400 1.63
0.14 3.94 4.17 0.13 5.43 5.08 14.40 883 2.79 722 3400 3.60
3.6 111.0 117.1 3.3 151.9 142.0 3.31 5.36 0.630 4.35 3100 2.39
0.14 4.37 4.61 0.13 5.98 5.59 18.90 1206 3.60 979 3100 5.28
3.6 125.0 132.1 3.3 172.0 163.1 2.31 4.69 0.485 3.99 2800 2.75
0.14 4.92 5.20 0.13 6.77 6.42 13.20 1055 2.77 897 2800 6.06
1.5 152.9 154.9 1.5 188.0 182.1 4.55 4.72 0.524 2.97 2300 2.25
0.06 6.02 6.10 0.06 7.40 7.17 26.00 1060 2.99 667 2300 4.96
1.5 185.9 188.0 1.5 221.0 214.1 5.13 5.02 0.842 3.78 1900 2.88
0.06 7.32 7.40 0.06 8.70 8.43 29.30 1128 4.81 850 1900 6.35
3.6 202.9 209.0 3.3 267.0 261.1 4.52 10.31 0.660 7.32 1700 9.48
0.14 7.99 8.23 0.13 10.51 10.28 25.80 2318 3.77 1646 1700 20.91
3.6 218.9 224.0 3.3 275.1 260.1 6.92 10.18 1.520 8.86 1600 8.29
0.14 8.62 8.82 0.13 10.83 10.24 39.50 2288 8.68 1992 1600 18.28
3.6 226.1 231.9 3.3 276.1 272.0 3.92 5.74 0.494 3.78 1600 5.41
0.14 8.90 9.13 0.13 10.87 10.71 22.40 1291 2.82 850 1600 11.92
N/mm
lbs./in.
kN
lbs.
N/mm
lbs./in.
kN
lbs.
RPM
Wt.
kg
lbs.
A
TIMKEN MACHINE TOOL CATALOG 115