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UMS STANDARD SIZES | |||||||||
Metric Shaft D | Size Code | Seat Size | D1 | D2 | D3 | L1 | L2 | L3 | L4 |
14 | 140 | 100 | 21 | 17 | 23 | 25.5 | 10.0 | 5 | 3 |
16 | 160 | 120 | 23 | 19 | 26 | 26.5 | 10.0 | 5 | 3 |
18 | 180 | 140 | 25 | 21 | 29 | 29.5 | 10.0 | 5 | 3 |
20 | 200 | 160 | 27 | 23 | 31 | 31.0 | 10.0 | 5 | 3 |
22 | 220 | 180 | 33 | 27 | 33 | 32.5 | 11.5 | 5 | 3 |
24 | 240 | 200 | 35 | 29 | 35 | 32.5 | 11.5 | 5 | 3 |
26 | 260 | 220 | 37 | 31 | 36 | 32.5 | 11.5 | 5 | 3 |
28 | 280 | 240 | 39 | 33 | 40 | 32.5 | 11.5 | 5 | 3 |
30 | 300 | 250 | 40 | 34 | 43 | 33.5 | 11.5 | 5 | 3 |
33 | 330 | 280 | 43 | 37 | 46 | 35.5 | 11.5 | 5 | 3 |
35 | 350 | 300 | 45 | 39 | 49 | 35.5 | 11.5 | 5 | 3 |
38 | 380 | 330 | 48 | 42 | 53 | 39.5 | 11.5 | 5 | 3 |
40 | 400 | 350 | 50 | 44 | 56 | 43.5 | 11.5 | 5 | 3 |
43 | 430 | 380 | 56 | 49 | 59 | 46.0 | 14.0 | 5 | 4 |
45 | 450 | 400 | 58 | 51 | 61 | 48.0 | 14.0 | 5 | 4 |
48 | 480 | 430 | 61 | 54 | 64 | 51.0 | 14.0 | 5 | 4 |
50 | 500 | 450 | 63 | 56 | 66 | 55.0 | 14.0 | 5 | 4 |
53 | 530 | 480 | 66 | 59 | 69 | 55.0 | 14.0 | 5 | 4 |
55 | 550 | 500 | 70 | 62 | 71 | 58.0 | 15.0 | 5 | 4 |
58 | 580 | 530 | 73 | 65 | 76 | 60.0 | 15.0 | 5 | 4 |
60 | 600 | 550 | 75 | 67 | 78 | 60.0 | 15.0 | 5 | 4 |
63 | 630 | 580 | 78 | 70 | 81 | 60.0 | 15.0 | 5 | 4 |
65 | 650 | 600 | 80 | 72 | 84 | 60.0 | 15.0 | 5 | 4 |
68 | 680 | 630 | 83 | 75 | 88 | 60.0 | 15.0 | 5 | 4 |
70 | 700 | 650 | 85 | 77 | 90 | 61.0 | 15.0 | 5 | 4 |
75 | 750 | 700 | 92 | 83 | 98 | 63.0 | 18.0 | 5 | 4 |
80 | 800 | 750 | 97 | 88 | 100 | 68.0 | 18.0 | 5 | 4 |
85 | 850 | 800 | 105 | 95 | 107.5 | 68.0 | 18.2 | 5 | 4 |