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Mounting <strong>and</strong> Fitting Practice<br />
Shaft Diameter — Inner Ring Omitted<br />
With Outer Ring TAP <strong>and</strong> HEAVY PRESS Fits for Rotating Shaft<br />
M----TV<br />
M----EL<br />
Basic<br />
Bearing<br />
Number<br />
1900 1000<br />
Shaft Diameter<br />
Inch/mm<br />
Maximum Minimum Maximum Minimum Maximum Minimum Maximum Minimum<br />
04 1.1092 1.1087 1.1013 1.1008 04<br />
28.174 28.161 27.973 27.960<br />
05 1.2672 1.2667 1.3383 1.3378 05<br />
32.187 32.174 33.993 33.980<br />
06 1.4523 1.4518 1.4994 1.4989 1.6024 1.6019 06<br />
36.888 36.875 38.085 38.072 40.701 40.688<br />
07 1.6611 1.6606 1.7322 1.7317 1.8452 1.8447 07<br />
42.192 42.179 43.998 43.985 46.868 46.855<br />
08 1.8777 1.8772 1.9667 1.9662 2.0600 2.0595 08<br />
47.694 47.681 49.954 49.941 52.324 52.311<br />
09 2.0831 2.0825 2.1870 2.1864 2.3382 2.3376 09<br />
52.911 52.896 55.550 55.535 59.390 59.375<br />
10 2.2802 2.2796 2.3816 2.3810 2.5660 2.5654 10<br />
57.917 57.902 60.493 60.478 65.176 65.161<br />
11 2.4316 2.4310 2.5408 2.5402 2.6354 2.6348 2.8136 2.8130 11<br />
61.763 61.748 64.536 64.521 66.939 66.924 71.465 71.450<br />
12 2.6316 2.6310 2.7377 2.7371 2.8511 2.8505 3.0545 3.0538 12<br />
66.843 66.828 69.538 69.523 72.418 72.403 77.584 77.566<br />
13 2.8267 2.8261 2.9348 2.9341 3.1677 3.1670 3.2957 3.2950 13<br />
71.798 71.783 74.544 74.526 80.460 80.442 83.711 83.693<br />
14 3.0719 3.0712 3.1588 3.1581 3.3392 3.3385 3.5132 3.5125 14<br />
78.026 78.008 80.234 80.216 84.816 84.798 89.235 89.217<br />
15 3.2669 3.2662 3.3569 3.3562 3.5063 3.5056 3.7780 3.7772 15<br />
82.979 82.961 85.265 85.247 89.060 89.042 95.961 95.941<br />
16 3.4619 3.4612 3.5969 3.5962 3.7532 3.7525 4.0031 4.0023 16<br />
87.932 87.914 91.361 91.343 95.331 95.313 101.679 101.659<br />
17 3.7274 3.7267 3.7944 3.7936 4.0182 4.0174 4.2746 4.2738 17<br />
94.676 94.658 96.378 96.358 102.062 102.042 108.575 108.555<br />
18 3.9225 3.9217 4.0324 4.0316 4.2235 4.2227 4.4915 4.4907 18<br />
99.632 99.612 102.423 102.403 107.277 107.257 114.084 114.064<br />
19 4.1174 4.1166 4.2284 4.2276 4.4714 4.4706 4.8113 4.8105 19<br />
104.582 104.562 107.401 107.381 113.574 113.554 122.207 122.187<br />
20 4.3330 4.3322 4.4254 4.4246 4.7663 4.7655 5.1267 5.1258 20<br />
110.058 110.038 112.405 112.385 121.064 121.044 130.218 130.195<br />
1200<br />
5200<br />
1300<br />
7300<br />
5300<br />
Basic<br />
Bearing<br />
Number<br />
NOTE: Shaft surface functioning as a bearing raceway must have a hardness of Rockwell C-58-64 <strong>and</strong> a maximum finish of 18 AA Deviation<br />
from this hardness or surface finish will require a reduction in the catalog load rating of the bearing. Consult <strong>NTN</strong> Engineering Department<br />
for a recommendation.<br />
103
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