NTN - Cylindrical and Tapered Roller Bearings

Cylindrical Roller Bearings
Inner Ring PRESS Fit for Rotating Shaft (Cont.)
Basic
Bearing
Number
Bearing Dimensions
Shaft Diameter
Inch/mm
Maximum Minimum Maximum Minimum
Resultant Fit
.0001 Inch/Micrometers
Tight
Tight
21 4.1339 4.1331 4.1357 4.1348 9T 26T
105.000 104.980 105.045 105.023 23T 65T
ABMA
Fit
Class
22 4.3307 4.3299 4.3325 4.3316 9T 26T
110.000 109.980 110.045 110.023 23T 65T
24 4.7244 4.7236 4.7262 4.7253 9T 26T n6
120.000 119.980 120.045 120.023 23T 65T
26 5.1811 5.1171 5.1201 5.1192 11T 30T
130.000 129.975 130.052 130.027 27T 77T
28 5.5118 5.5108 5.5138 5.5129 11T 30T
140.000 139.975 140.052 140.027 27T 77T
30 5.9055 5.9045 5.9082 5.9072 17T 37T
150.000 149.975 150.068 150.043 43T 93T
32 6.2292 6.2982 6.3019 6.3009 17T 37T
160.000 159.925 160.068 160.043 43T 93T
34 6.6929 6.6919 6.6956 6.6946 17T 37T
170.000 169.975 170.068 170.043 43T 93T
36 7.0866 7.0856 7.0893 7.0883 17T 37T
180.000 179.975 180.068 180.043 43T 93T
38 7.4803 7.4791 7.4834 7.4823 20T 43T
190.000 189.970 190.079 190.050 50T 109T
40 7.8740 7.8728 7.8771 7.8760 20T 43T p6
200.000 199.970 200.079 200.050 50T 109T
44 8.6614 8.6602 8.6645 8.6634 20T 43T
220.000 219.970 220.079 220.050 50T 109T
48 9.4488 9.4476 9.4519 9.4508 20t 43t
240.000 239.970 240.079 240.050 50T 109T
52 10.2362 10.2348 10.2397 10.2384 22T 49T
260.000 259.965 260.088 260.056 56T 123T
56 11.0236 11.0222 11.0271 11.0258 22T 49T
280.000 279.965 280.088 280.056 56T 123T
60 11.8110 11.8096 11.8145 11.8132 22T 49T
300.000 299.965 300.088 300.056 56T 123T
64 12.5984 12.5968 12.6023 12.6008 24T 55T
320.000 319.960 320.098 320.062 62T 138T
92