Timken Super Precision Bearings for Machine Tool Applications

Tapered Roller Bearings
B
R
Max. Shaft
Fillet Rad. at
Cone Backface
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.
mm
in.
mm
in.
N/mm
lbs./in.
kN
lbs.
N/mm
lbs./in.
kN
lbs.
RPM
kg
lbs.
2.0 66.0 69.1 2.0 95.5 91.0 1.22 2.1 0.231 1.7 5100 0.59
0.08 2.60 2.72 0.08 3.76 3.58 6.97 472 1.32 382 5100 1.31
3.0 71.0 78.0 1.0 101.0 96.0 1.70 2.6 0.297 2.0 4800 0.75
0.12 2.80 3.07 0.04 3.98 3.78 9.71 585 1.70 450 4800 1.65
2.0 76.0 80.0 2.0 105.0 101.0 1.33 2.2 0.239 1.7 4500 0.68
0.08 2.99 3.15 0.08 4.13 3.98 7.59 495 1.36 382 4500 1.50
2.0 86.0 88.9 2.0 120.0 115.0 1.53 2.7 0.264 2.1 3900 0.95
0.08 3.39 3.50 0.08 4.72 4.53 8.74 607 1.51 472 3900 2.10
3.0 92.0 98.0 2.5 125.0 117.0 2.82 3.8 0.472 2.9 3700 1.36
0.12 3.62 3.86 0.10 4.92 4.61 16.10 854 2.70 652 3700 3.00
2.0 97.0 100.1 2.0 130.0 125.0 1.64 2.8 0.338 2.4 3600 1.09
0.08 3.82 3.94 0.08 5.12 4.92 9.36 629 1.93 540 3600 2.41
3.0 102.0 108.0 3.0 140.0 134.0 1.80 3.0 0.341 2.4 3300 1.27
0.12 4.02 4.25 0.12 5.51 5.28 10.30 674 1.95 540 3300 2.79
3.0 104.0 109.0 2.5 143.0 135.0 3.11 5.1 0.513 3.9 3300 2.17
0.12 4.09 4.29 0.10 5.63 5.31 17.80 1150 2.93 877 3300 4.78
3.0 106.0 112.0 3.0 140.0 134.0 1.80 3.0 0.341 2.4 3300 1.13
0.12 4.17 4.41 0.12 5.51 5.28 10.30 674 1.95 540 3300 2.49
3.0 119.0 125.0 2.5 159.0 149.0 3.39 5.4 0.710 4.6 2900 2.45
0.12 4.69 4.92 0.10 6.26 5.87 19.40 1210 4.05 1030 2900 5.39
3.3 121.0 127.0 3.0 158.0 151.0 2.53 3.8 0.450 3.0 2900 1.75
0.13 4.76 5.00 0.12 6.22 5.94 14.40 854 2.57 674 2900 3.86
3.3 127.0 132.1 3.3 163.0 156.0 2.47 3.5 0.440 2.7 2800 1.62
0.13 5.00 5.20 0.13 6.42 6.14 14.10 787 2.51 607 2800 3.56
3.3 133.0 137.9 3.3 168.0 161.0 2.60 3.6 0.499 2.9 2700 1.69
0.13 5.24 5.43 0.13 6.61 6.34 14.90 809 2.85 652 2700 3.72
3.0 137.0 143.0 3.0 179.0 172.0 2.45 4.7 0.464 3.8 2600 2.16
0.12 5.39 5.63 0.12 7.05 6.77 14.00 1060 2.65 854 2600 4.76
3.0 148.0 152.9 3.0 189.0 182.0 2.60 4.9 0.556 4.2 2400 2.29
0.12 5.83 6.02 0.12 7.44 7.17 14.90 1100 3.17 944 2400 5.06
3.3 158.0 164.1 3.3 198.0 190.0 3.30 4.6 0.588 3.6 2200 2.61
0.13 6.22 6.46 0.13 7.8 7.48 18.80 1030 3.36 809 2200 5.76
3.0 169.0 174.0 3.0 213.1 206.0 2.94 5.8 0.589 4.8 2100 3.11
0.12 6.65 6.85 0.12 8.39 8.11 16.80 1300 3.36 1080 2100 6.86
3.0 179.0 183.9 3.0 223.0 217.0 3.15 6.0 0.568 4.7 2000 3.43
0.12 7.05 7.24 0.12 8.78 8.54 18.00 1350 3.24 1060 2000 7.56
3.0 189.0 194.1 3.0 233.0 227.0 3.21 6.0 0.638 5.0 1900 3.59
0.12 7.44 7.64 0.12 9.17 8.94 18.30 1350 3.64 1120 1900 7.91
3.0 190.0 196.1 2.5 243.0 232.0 5.90 10.4 1.150 8.5 1800 6.67
0.12 7.48 7.72 0.10 9.57 9.13 33.70 2340 6.57 1910 1800 14.70
Wt.
A
TIMKEN MACHINE TOOL CATALOG 113