Timken Super Precision Bearings for Machine Tool Applications

Ball Bearings
WI CONSTRUCTION
• Incorporates low shoulder on non-thrust side of outer rings.
• Balls separated by one-piece cage piloted against a ground
thrust shoulder land of the outer ring.
2
Max. Min. Max. Min. Max. Min. Loose Tight Max. Min. Tight Loose Max. Min. Loose Loose
Suggested Shoulder Diameters Shaft Diameter Mounting Fits
Housing Bore
Housing Bore
Mounting Fits
Shaft
Housing
(Stationary)
(Stationary)
r
Rad. (2) Mounting Fits
mm/in. mm/in. mm/in. mm/in. mm/in. mm/in. mm/in. mm/in. mm/in.
2.0 116.5 115.7 150.0 149.2 105.005 104.995 0.005 0.013 160.009 160.000 0.000 0.022 160.022 160.012 0.033 0.012
0.079 4.59 4.56 5.91 5.88 4.13410 4.13370 0.00020 0.00050 6.29960 6.29920 0.00000 0.00080 6.30010 6.29970 0.00130 0.00050
2.0 123.1 122.3 158.4 157.6 110.005 109.995 0.005 0.013 170.010 170.000 0.000 0.020 170.022 170.012 0.032 0.012
0.079 4.85 4.82 6.24 6.21 4.33090 4.33050 0.00020 0.00050 6.69330 6.69290 0.00000 0.00080 6.69380 6.69340 0.00130 0.00050
2.0 133.2 132.5 168.3 167.5 120.005 119.995 0.005 0.013 180.010 180.000 0.000 0.020 180.022 180.012 0.032 0.012
0.079 5.25 5.22 6.63 6.60 4.72460 4.72420 0.00020 0.00050 7.08700 7.08660 0.00000 0.00080 7.08750 7.08710 0.00130 0.00050
2.0 144.9 144.2 186.6 185.8 130.005 129.995 0.005 0.015 200.011 200.000 0.000 0.022 200.025 200.015 0.036 0.015
0.079 5.71 5.68 7.35 7.32 5.11830 5.11790 0.00020 0.00060 7.87450 7.87400 0.00000 0.00090 7.87500 7.87460 0.00150 0.00060
2.0 155.1 154.3 196.5 195.7 140.005 139.995 0.005 0.015 210.011 210.000 0.000 0.022 210.025 210.015 0.036 0.015
0.079 6.11 6.08 7.74 7.71 5.51200 5.51160 0.00020 0.00060 8.26820 8.26770 0.00000 0.00090 8.26870 8.26830 0.00150 0.00060
2.0 166.0 165.2 210.7 209.9 150.005 149.995 0.005 0.015 225.011 225.000 0.000 0.022 225.025 225.015 0.036 0.015
0.079 6.54 6.51 8.30 8.27 5.90570 5.90530 0.00020 0.00060 8.85880 8.85830 0.00000 0.00090 8.85930 8.85890 0.00150 0.00060
2.0 176.9 176.2 224.7 223.9 160.005 159.995 0.005 0.015 240.011 240.000 0.000 0.022 240.025 240.015 0.041 0.018
0.079 6.97 6.94 8.85 8.82 6.29940 6.29900 0.00020 0.00060 9.44930 9.44880 0.00000 0.00090 9.45000 9.44940 0.00160 0.00060
2.0 188.6 187.8 242.7 241.9 170.005 169.995 0.005 0.015 260.011 260.000 0.000 0.024 260.030 260.015 0.044 0.018
0.079 7.43 7.40 9.56 9.53 6.69310 6.69270 0.00020 0.00060 10.23670 10.23620 0.00000 0.00100 10.23750 10.23700 0.00180 0.00080
2.0 200.5 199.8 261.0 260.2 180.008 179.993 0.007 0.018 280.013 280.000 0.000 0.026 280.031 280.018 0.044 0.018
0.079 7.90 7.87 10.28 10.25 7.08690 7.08630 0.00030 0.00070 11.02410 11.02360 0.00000 0.00100 11.02490 11.02440 0.00180 0.00080
2.0 222.4 221.6 289.2 288.4 200.008 199.993 0.007 0.019 310.013 310.000 0.000 0.026 310.031 310.018 0.044 0.018
0.079 8.76 8.73 11.39 11.36 7.87430 7.87370 0.00030 0.00080 12.20520 12.20470 0.00000 0.00100 12.20600 12.20550 0.00180 0.00080
FIXED
FLOATING
C
TIMKEN MACHINE TOOL CATALOG 161