THC Logo ANSI Standard Transmission Roller Chains

THC brand ANSI Standard Short Pitch Power Transmission Roller Chains are the most popular chains for drive, transmission reduction, tension, shuttle traction, and other applications. ANSI standard roller chains are produced in accordance with ISO 606A, ANSI B29.1M and DIN 8188 from high quality steel and incorporated with latest manufacturing technologies. Products are available from pitch size 4.7625 to 76.2 mm in single and multiple strands, riveted or cottered, and are interchangeable with other brand chains made to these standards.


ANSI Standard Roller Chains (Simplex, Riveted, from left to right: steel self color, bluing, blackening and copper-plated; products are also available in stainless steel, zinc-plated, nickel-plated and dacrotised versions)

THC Chain # ISO Chain # P d1 b1 d2 t T h2 Pt L Lr U.T. S. (kN) Wt. (kg/m)
15 03C 4.7625 2.48* 2.38 1.62 0.60 0.60 4.30 - 6.30 7.20 1.80 0.08
25-1 04C 6.35 3.30* 3.10 2.30 0.75 0.75 5.90 - 7.80 8.70 3.50 0.15
25-2 6.40 14.20 15.15 7.00 0.28
25-3 20.60 21.50 10.50 0.41
35-1 06C 9.525 5.08* 4.68 3.58 1.27 1.27 9.00 - 12.00 13.20 7.90 0.35
35-2 10.13 22.20 23.40 15.80 0.69
35-3 32.50 33.70 23.70 1.02
41-1 085 12.70 7.77 6.25 3.58 1.27 1.27 9.70 - 13.50 14.70 6.70 0.41
41-2 11.95 23.70 24.90 13.30 0.80
40-1 08A 12.70 7.92 7.85 3.96 1.52 1.52 12.00 - 16.60 17.90 13.80 0.66
40-2 14.38 31.00 32.30 27.60 1.30
40-3 45.40 46.70 41.40 1.96
40-4 59.70 61.00 55.20 2.58
40-5 74.10 75.40 66.24 3.22
40-6 88.50 89.80 76.18 3.86
50-1 10A 15.875 10.16 9.40 5.08 2.00 2.00 15.00 - 20.50 21.90 21.80 1.10
50-2 18.11 38.60 40.00 43.60 2.14
50-3 56.70 58.10 65.40 3.20
50-4 74.80 76.20 87.20 4.35
50-5 92.90 94.30 104.60 5.50
50-6 111.00 112.40 120.30 6.65
60-1 12A 19.05 11.91 12.57 5.94 2.40 2.40 18.00 - 25.30 26.70 31.10 1.53
60-2 22.78 48.10 49.50 62.30 3.00
60-3 70.90 72.30 93.40 4.50
60-4 93.60 95.00 124.40 5.97
60-5 116.40 117.80 154.00 7.44
60-6 139.20 140.60 177.10 8.91
60-8 184.70 186.10 233.30 11.85
80-1 16A 25.40 15.88 15.75 7.92 3.20 3.20 23.50 - 32.70 34.10 55.60 2.63
80-2 29.29 62.00 63.40 111.20 5.24
80-3 91.30 92.70 166.80 7.83
80-4 120.60 122.00 222.40 10.42
80-5 149.90 151.30 275.80 13.01
80-6 178.20 180.60 317.00 15.60
80-8 237.80 239.20 417.00 20.78
80-10 296.30 297.70 511.50 25.96
100-1 20A 31.75 19.05 18.90 9.52 4.00 4.00 30.00 - 39.60 43.10 86.70 4.03
100-2 35.76 75.40 78.90 173.50 8.02
100-3 111.10 114.60 260.20 12.00
100-4 146.90 150.40 346.80 15.98
100-5 182.60 186.10 430.00 19.96
100-6 218.40 221.90 502.80 23.94
100-8 289.90 293.40 650.20 31.90
100-10 361.40 364.90 797.60 39.86
120-1 24A 38.10 22.23 25.22 11.10 4.90 4.90 36.10 - 50.45 53.30 124.60 5.94
120-2 45.44 95.40 98.80 249.10 11.84
120-3 141.00 144.20 373.70 17.69
120-4 45.44 186.30 189.60 498.40 23.54
120-5 231.80 235.10 618.00 29.39
120-6 277.20 280.50 722.70 35.24
120-8 322.60 325.90 934.50 46.94
120-10 413.50 416.80 1,146.30 58.64
140-1 28A 44.45 25.40 25.22 12.70 5.60 5.60 41.50 - 53.80 57.80 169.00 7.50
140-2 48.87 102.70 106.70 338.10 14.89
140-3 151.60 155.60 507.10 22.28
140-4 200.40 204.40 676.00 29.67
140-5 249.30 253.30 838.20 37.06
140-6 298.10 302.10 980.20 44.45
140-8 395.80 399.80 1,267.50 59.23
140-10 493.60 497.60 1,554.80 74.00
160-1 32A 50.80 28.58 31.55 14.29 6.40 6.40 48.00 - 64.10 67.80 222.40 10.20
160-2 58.55 122.70 126.40 444.80 20.25
160-3 181.30 185.00 667.20 30.31
160-4 239.70 243.40 889.60 40.35
160-5 298.30 302.00 1,103.10 50.40
160-6 356.80 360.50 1,289.90 60.45
180-1 36A 57.15 35.71 35.48 17.46 7.20 7.20 54.00 - 72.70 77.10 280.20 13.95
180-2 65.84 138.50 142.90 560.50 27.62
180-3 204.40 208.80 840.70 41.29
180-4 270.20 274.60 1,120.80 54.96
180-5 336.00 340.40 1,389.80 68.63
180-6 401.90 406.30 1,625.20 82.30
200-1 40A 63.50 39.68 37.85 19.84 8.00 8.00 59.60 - 79.10 83.40 347.00 16.86
200-2 71.55 150.70 155.00 693.90 33.42
200-3 222.20 226.50 1,040.90 50.50
200-4 293.70 298.00 1,388.00 66.54
200-5 365.30 369.60 1,721.10 83.10
200-6 436.80 441.10 2,012.60 99.68
240-1 48A 76.20 47.63 47.35 23.80 9.60 9.60 71.50 - 95.20 100.00 500.40 24.25
240-2 87.83 183.00 187.80 1,000.80 48.13
240-3 270.80 275.60 1,501.30 72.01
240-4 358.70 363.50 2,001.60 95.89
240-5 446.50 451.30 2,482.00 119.77
240-6 534.30 539.10 2,902.30 143.65

1. To suit specific working conditions, the following versions are also available: bushed chain (with the omission of rollers), straight linkplate chain, heavy-duty chain, super strength chain, stainless steel chain, nickel-plated chain, zinc-plated chain, copper-plated chain, dacrotised chain, hollow pin chain, side bow chain, o-ring chain, poly-steel chain, and engineering plastic chain.

2. Unless cottered construction chains are requested, products are supplied in riveted construction. Please note the above multiple strand roller chains should not be used as oil field chains. For oil field roller chains, please click and visit this link.

3. Unless otherwise requested, all ANSI Standard Roller Chains are packed in 3.048 meter (10 feet) per length including one connecting link. Offset links are used for adjust chain length. When used for perform power transmission at high speed or heavy-duty power transmission, two-pitch offset links (one inner link and one offset link) are recommended.

4. For plate wheels (type A) and hub sprockets (type B, type C) including stock bore, finished bore, taper bushed bore, quick detachable bore, split type bush bore to suit the chains, please contact the sales department.


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