This section is from the book "Machine Shop Work", by Frederick W. Turner, Oscar E. Perrigo, Howard P. Fairfield. Also available from Amazon: Machine shop work.
10 | 0.393 | 30 | 1.181 | 9 | 0.354 | 220 | 175 | 120 | 108 |
12 | 0.472 | 32 | 1.259 | 10 | 0.393 | 240 | 195 | 140 | 115 |
15 | 0.590 | 35 | 1.378 | 11 | 0.433 | 290 | 230 | 175 | 140 |
17 | 0.669 | 40 | 1.574 | 12 | 0.472 | 350 | 280 | 210 | 170 |
20 | 0.787 | 47 | 1.850 | 14 | 0.551 | 440 | 350 | 260 | 215 |
25 | 0.984 | 52 | 2.047 | 15 | 0.590 | 530 | 425 | 310 | 260 |
30 | 1.181 | 62 | 2.440 | 16 | 0.629 | 820 | 655 | 480 | 400 |
35 | 1.378 | 72 | 2.834 | 17 | 0.669 | 880 | 780 | 530 | 430 |
40 | 1.574 | 80 | 3.149 | 18 | 0.708 | 1,200 | 960 | 700 | 590 |
45 | 1.771 | 85 | 3.346 | 19 | 0.748 | 1,450 | 1,150 | 860 | 710 |
50 | 1.968 | 90 | 3.543 | 20 | 0.787 | 1,650 | 1,350 | 970 | 810 |
55 | 2.165 | 100 | 3.937 | 21 | 0.826 | 1,800 | 1,450 | 1,100 | 880 |
60 | 2.362 | 110 | 4.330 | 22 | 0.866 | 2,200 | 1,750 | 1,300 | 1,080 |
65 | 2.559 | 120 | 4.724 | 23 | 0.905 | 2,550 | 2,050 | 1,550 | 1,250 |
70 | 2.755 | 125 | 4.921 | 24 | 0.944 | 2,750 | 2,200 | 1,650 | 1,350 |
75 | 2.952 | 130 | 5.118 | 25 | 0.984 | 3,100 | 2,480 | 1,850 | 1,520 |
80 | 3.149 | 140 | 5.511 | 26 | 1.023 | 3,750 | 3,000 | 2,200 | 1,835 |
85 | 3.346 | 150 | 5.905 | 28 | 1.102 | 4,000 | 3,200 | 2,400 | 1,960 |
90 | 3.543 | 160 | 6.299 | 30 | 1.181 | 4,400 | 3,520 | 2,650 | 2,150 |
100 | 3.937 | 180 | 7.086 | 34 | 1.338 | 5,700 | 4,560 | 3,500 | 2.830 |
110 | 4.330 | 200 | 7.874 | 38 | 1.496 | 7,500 | 6,000 | 4,400 | 3,650 |
oil, are each good for the purpose. Usually these are combined in quantities to give the desired consistency for the speed at which the bearing is rotated.
 
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