Timken Super Precision Bearings for Machine Tool Applications

Ball Bearings
WN CONSTRUCTION
• Incorporates low shoulder on non-thrust side of both inner and
outer rings.
• Balls separated by one-piece cage piloted against a ground
thrust shoulder land of the outer ring.
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.
1.5 115.1 114.9 135.1 134.9 100.005 99.995 0.005 0.013 150.009 150.000 0.000 0.018 150.023 150.012 0.032 0.012
0.059 4.54 4.53 5.35 5.34 3.93720 3.93680 0.00020 0.00050 5.90590 5.90550 0.00000 0.00070 5.90640 5.90600 0.00120 0.00050
2.0 121.8 121.6 143.4 143.2 105.005 104.995 0.005 0.013 160.009 160.000 0.000 0.022 160.022 160.012 0.033 0.012
0.079 4.80 4.79 5.67 5.66 4.13410 4.13370 0.00020 0.00050 6.29960 6.29920 0.00000 0.00080 6.30010 6.29970 0.00130 0.00050
2.0 128.5 128.3 151.7 151.5 110.005 109.995 0.005 0.013 170.010 170.000 0.000 0.020 170.022 170.012 0.032 0.012
0.079 5.06 5.05 6.00 5.99 4.33090 4.33050 0.00020 0.00050 6.69330 6.69290 0.00000 0.00080 6.69380 6.69340 0.00130 0.00050
2.0 138.5 138.3 161.7 161.5 120.005 119.995 0.005 0.013 180.010 180.000 0.000 0.020 180.022 180.012 0.032 0.012
0.079 5.46 5.45 6.39 6.38 4.72460 4.72420 0.00020 0.00050 7.08700 7.08660 0.00000 0.00080 7.08750 7.08710 0.00130 0.00050
2.0 151.9 151.7 178.3 178.1 130.005 129.995 0.005 0.015 200.011 200.000 0.000 0.022 200.025 200.015 0.036 0.015
0.079 5.98 5.97 7.05 7.04 5.11830 5.11790 0.00020 0.00060 7.87450 7.87400 0.00000 0.00090 7.87500 7.87460 0.00150 0.00060
2.0 161.9 161.7 188.3 188.1 140.005 139.995 0.005 0.015 210.011 210.000 0.000 0.022 210.025 210.015 0.036 0.015
0.079 6.38 6.37 7.44 7.43 5.51200 5.51160 0.00020 0.00060 8.26820 8.26770 0.00000 0.00090 8.26870 8.26830 0.00150 0.00060
2.0 172.8 172.6 202.4 202.2 150.005 149.995 0.005 0.015 225.011 225.000 0.000 0.022 225.025 225.015 0.036 0.015
0.079 6.81 6.80 8.00 7.99 5.90570 5.90530 0.00020 0.00060 8.85880 8.85830 0.00000 0.00090 8.85930 8.85890 0.00150 0.00060
FIXED
FLOATING
2
C
TIMKEN MACHINE TOOL CATALOG 177