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【 OCM BRAND ROLLER CHAIN AND PARTS 】
Spring Clip type
This is standard for all single and multiple strand ANSI standard chain from 80 and below and British standard chain from 16B and below.
Cotter type
This is standard for all single and multiple strand ANSI 100 and above, and British standard 20B and above.
Offset Link
An offset link is a combination of a roller link and a pin link. This link is used where the chain length is an odd number of pitches. It recommended not to use an offset link whenever possible.
| OCM Chain No | ANSI No | Pitch | Bush Dia. | Width between L.P. |
Link Plate | Pin Dia. | Pin | Average Tensile Strength | Max Working Laod Lb/Kg | Average Weight Lb/ft Kg/m | |||
| P | D | W | H | T | d | L | kN | kgf | kN | kgf | |||
| OCM 025 | 25 | 6.35 | 3.30 | 3.2 | 5.85 | 0.75 | 2.30 | 7.8 | 4.71 | 480 | 0.69 | 70 | 0.13 |
| OCM 035 | 35 | 9.525 | 5.08 | 4.8 | 9.0 | 1.25 | 3.58 | 11.7 | 11.57 | 1180 | 1.86 | 190 | 0.36 |
| OCM 041 | 41 | 12.70 | 7.77 | 6.4 | 9.7 | 1.25 | 3.58 | 13.3 | 11.77 | 1200 | 2.06 | 210 | 0.41 |
| OCM 040 | 40 | 12.70 | 7.94 | 7.95 | 12.0 | 1.5 | 3.96 | 16.1 | 19.12 | 1950 | 3.82 | 390 | 0.66 |
| OCM 050 | 50 | 15.875 | 10.16 | 9.55 | 15.0 | 2.0 | 5.08 | 20.3 | 31.86 | 3250 | 6.18 | 630 | 1.08 |
| OCM 060 | 60 | 19.05 | 11.91 | 12.70 | 18.0 | 2.4 | 5.95 | 25.4 | 44.12 | 4500 | 9.31 | 950 | 1.6 |
| OCM 080 | 80 | 25.40 | 15.88 | 15.90 | 24.1 | 3.2 | 7.94 | 32.7 | 78.43 | 8000 | 16.18 | 1650 | 2.8 |
| OCM 100 | 100 | 31.75 | 19.05 | 19.15 | 30.1 | 4.0 | 9.53 | 39.9 | 117.65 | 12000 | 24.51 | 2500 | 4.2 |
| OCM 120 | 120 | 38.10 | 22.23 | 25.55 | 36.2 | 4.8 | 11.11 | 50.1 | 164.71 | 16800 | 32.35 | 3300 | 6.2 |
| OCM 140 | 140 | 44.45 | 25.40 | 25.50 | 42.2 | 5.6 | 12.70 | 58.9 | 216.67 | 22100 | 43.14 | 4400 | 7.7 |
| OCM 160 | 160 | 50.80 | 28.58 | 31.75 | 48.2 | 6.4 | 14.29 | 69.1 | 216.65 | 27300 | 53.92 | 5500 | 9.9 |
| OCM 180 | --- | 57.15 | 35.71 | 35.70 | 54.2 | 7.2 | 17.46 | 79.7 | 327.45 | 33400 | 62.75 | 6400 | 13.46 |
| OCM 200 | 200 | 63.50 | 39.68 | 38.10 | 60.1 | 8.0 | 19.84 | 85.3 | 450.98 | 46000 | 70.59 | 7200 | 16.5 |
| OCM 240 | 240 | 76.20 | 47.63 | 48.0 | 72.4 | 9.5 | 23.80 | 104.7 | 666.67 | 68000 | 97.06 | 9900 | 24.8 |
| OCM Chain No | Pitch | Bush Dia. | Width between L.P. | Link Plate | Pin Dia. | Pin | Average Tensile Strength | Max Working Laod Lb/Kg | Average Weight Lb/ft Kg/m |
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| P | D | W | H | T | d | L | L1 | L2 | kN | kgf | kN | kgf | ||
| OCM 060H | 19.05 | 11.91 | 12.70 | 18.0 | 3.2 | 5.95 | 28.7 | 16.5 | 14.3 | 44.12 | 4500 | 10.78 | 1100 | 1.88 |
| OCM 080H | 25.40 | 15.88 | 15.90 | 24.1 | 4.0 | 7.94 | 35.9 | 21.3 | 18.0 | 78.43 | 8000 | 17.65 | 1800 | 3.1 |
| OCM0100H | 31.75 | 19.05 | 19.15 | 30.1 | 4.8 | 9.53 | 43.1 | 25.2 | 21.6 | 117.65 | 12000 | 27.45 | 2800 | 4.6 |
| OCM 120H | 38.10 | 22.23 | 25.55 | 36.2 | 5.6 | 11.11 | 53.6 | 30.1 | 26.8 | 164.71 | 16800 | 35.29 | 3600 | 6.6 |
| OCM 140H | 44.45 | 25.40 | 25.40 | 42.2 | 6.4 | 12.70 | 57.4 | 33.4 | 28.7 | 216.67 | 22100 | 46.08 | 4700 | 8.4 |
| OCM 160H | 50.80 | 28.58 | 31.75 | 48.2 | 7.2 | 14.29 | 67.9 | 39.6 | 34.0 | 267.65 | 27300 | 55.88 | 5700 | 10.7 |
| OCM 200H | 63.50 | 39.68 | 38.10 | 60.1 | 9.5 | 19.84 | 86.3 | 48.5 | 43.2 | 460.78 | 47000 | 72.55 | 7400 | 18.2 |
| OCM Chain No | Pitch | Bush Dia. | Width between L.P. | Link Plate | Pin Dia. | Pin | Average Tensile Strength | Max Working Laod Lb/Kg | Average
Weight Lb/ft Kg/m |
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| P | D | W | C1 | T1 | C2 | T2 | d | L | kN | kgf | kN | kgf | ||
| OCM 2H33B | 9.525 | 5.08 | 4.80 | 9.1 | 2.0 | 9.1 | 2.0 | 3.58 | 14.8 | 17.35 | 1770 | 3.24 | 330 | 0.53 |
| OCM HM45 | 12.70 | 8.50 | 7.95 | 12.5 | 1.6 | 12.5 | 2.0 | 4.50 | 17.7 | 26.47 | 2700 | 5.10 | 520 | 0.9 |
| OCM0HM45E | 12.70 | 8.50 | 7.95 | 12.0 | 2.0 | 12.0 | 2.4 | 4.50 | 19.6 | 29.90 | 3050 | 6.47 | 660 | 1.08 |
| OCM 2H44E | 12.70 | 7.77 | 6.40 | 12.0 | 1.5 | 12.0 | 2.0 | 3.96 | 16.1 | 23.04 | 2350 | 5.49 | 560 | 0.78 |
| OCM 2H45E | 12.70 | 7.94 | 7.95 | 12.0 | 1.5 | 12.0 | 2.0 | 3.96 | 17.5 | 23.04 | 2350 | 5.49 | 560 | 0.83 |
| OCM H525E | 15.875 | 10.70 | 7.90 | 15.6 | 2.4 | 15.6 | 3.2 | 5.24 | 22.2 | 47.10 | 4600 | 11.76 | 1200 | 1.6 |
| OCM 2H52 | 15.875 | 10.16 | 6.40 | 13.0 | 2.4 | 15.0 | 2.4 | 5.08 | 18.7 | 39.22 | 4000 | 6.86 | 700 | 1.0 |
| OCM 2H53 | 15.875 | 10.16 | 9.55 | 13.0 | 2.4 | 15.0 | 2.4 | 5.08 | 21.9 | 39.22 | 4000 | 6.86 | 700 | 1.2 |
| OCM 2H53s | 15.875 | 10.16 | 9.55 | 13.0 | 3.2 | 15.0 | 2.4 | 5.08 | 23.6 | 39.22 | 4000 | 6.86 | 700 | 1.3 |
| OCM 2H63 | 19.05 | 11.91 | 9.55 | 15.3 | 3.2 | 18.0 | 3.2 | 5.95 | 25.8 | 54.90 | 5600 | 11.76 | 1200 | 1.74 |
| OCM 2H64 | 19.05 | 11.91 | 12.70 | 15.3 | 3.2 | 18.0 | 3.2 | 5.95 | 29.0 | 54.90 | 5600 | 11.76 | 1200 | 1.88 |
| OCM 2H64B | 19.05 | 11.91 | 12.79 | 20.0 | 3.2 | 20.0 | 4.0 | 7.50 | 31.4 | 80.88 | 8250 | 15.05 | 1535 | 2.5 |
| OCM 3H63 | 19.05 | 11.91 | 9.55 | 18.0 | 3.2 | 20.0 | 3.2 | 5.95 | 25.8 | 57.84 | 5900 | 14.90 | 1520 | 2.0 |
| OCM 4H63 | 19.05 | 14.29 | 9.55 | 19.6 | 3.2 | 19.6 | 4.0 | 7.00 | 27.2 | 72.55 | 7400 | 17.94 | 1830 | 2.58 |
| OCM 5H63 | 19.05 | 14.29 | 9.55 | 19.6 | 3.2 | 19.6 | 4.1 | 7.30 | 27.4 | 77.45 | 7900 | 17.94 | 1830 | 2.58 |
| OCM H745B | 22.225 | 14.29 | 14.29 | 23.5 | 4.0 | 23.5 | 4.8 | 9.00 | 36.2 | 115.69 | 11800 | 20.88 | 2130 | 3.6 |
| OCM H745E | 22.225 | 15.60 | 14.30 | 23.5 | 4.0 | 23.5 | 4.8 | 7.94 | 35.8 | 103.92 | 10600 | 26.47 | 2700 | 3.8 |
| OCM H745EP | 22.225 | 15.60 | 14.30 | 23.5 | 4.0 | 23.5 | 4.8 | 7.94 | 35.8 | 103.92 | 10600 | 28.43 | 2900 | 3.8 |
| OCM 2H85E | 25.40 | 15.88 | 15.90 | 24.0 | 3.2 | 24.0 | 4.0 | 7.94 | 34.6 | 96.08 | 9800 | 22.55 | 2300 | 3.3 |
| OCM 3H85E | 25.40 | 15.88 | 15.90 | 24.0 | 4.0 | 24.0 | 4.0 | 7.94 | 36.2 | 109.80 | 11200 | 22.55 | 2300 | 3.6 |
| OCM 4H85E | 25.40 | 15.88 | 15.90 | 24.5 | 4.0 | 24.5 | 4.62 | 8.28 | 37.4 | 126.47 | 12900 | 27.45 | 2800 | 3.9 |
| OCM H85 | 25.40 | 18.25 | 15.90 | 24.5 | 4.62 | 24.5 | 6.0 | 9.53 | 42.1 | 144.12 | 14700 | 27.75 | 2830 | 4.6 |
| OCM H85B | 25.40 | 15.88 | 15.90 | 26.6 | 4.8 | 26.6 | 5.6 | 10.00 | 42.0 | 144.12 | 14700 | 28.04 | 2860 | 4.6 |
| OCM H85E | 25.40 | 18.25 | 15.90 | 24.5 | 4.62 | 24.5 | 6.0 | 9.53 | 42.9 | 144.12 | 14700 | 31.37 | 3200 | 4.7 |
| OCM H955E | 28.575 | 20.74 | 17.50 | 27.9 | 5.6 | 27.9 | 6.6 | 10.80 | 47.5 | 156.86 | 16000 | 38.24 | 3900 | 6.1 |
| OCM H106B | 31.75 | 19.05 | 19.05 | 33.4 | 4.8 | 33.4 | 5.6 | 11.11 | 46.0 | 173.53 | 17700 | 38.24 | 3900 | 5.9 |
| OCM H106E | 31.75 | 23.80 | 19.05 | 30.7 | 5.6 | 30.7 | 7.5 | 11.91 | 52.0 | 218.63 | 22300 | 47.06 | 4800 | 7.8 |
