ANSI Standard Roller Chain
Single and Multiple Strand TSUBAKI Standard 80th Series Roller Chains conform to the ANSI (American Standard Institute) and are interchangeable with other chains conforming to ANSI Standards. The Tsubaki 80th Series Roller Chains celebrate Tsubaki's 80 year history of constantly improving quality and customer satisfaction.
| Chain No. | ANSI No. | Pitch P |
Roller Dia. R |
Width between Roller Link Plates W |
| RS25^* | 25 | 6.35 | 3.30 | 3.18 |
| RS35^* | 35 | 9.525 | 5.08 | 4.78 |
| RS41* | 41 | 12.70 | 7.77 | 6.38 |
| RS40* | 40 | 12.70 | 7.92 | 7.95 |
| RS50* | 50 | 15.875 | 10.16 | 9.53 |
| RS60 | 60 | 19.05 | 11.91 | 12.70 |
| RS80 | 80 | 25.40 | 15.88 | 15.88 |
| RS100 | 100 | 31.75 | 19.05 | 19.05 |
| RS120 | 120 | 38.10 | 22.23 | 25.40 |
| RS140 | 140 | 44.45 | 25.40 | 25.40 |
| RS160 | 160 | 50.80 | 28.58 | 31.75 |
| RS180 | 180 | 57.15 | 35.71 | 35.72 |
| RS200 | 200 | 63.50 | 39.68 | 38.10 |
| RS240 | 240 | 76.20 | 47.63 | 47.63 |
| Chain No. | Link Plate | Pin | ||||
| Thickness T |
Height H |
Height h |
Dia. D |
From Pin Head to C.L. L1 |
From Pin end to C.L. L2 |
|
| RS25^* | 0.75 | 5.84 | 5.05 | 2.31 | 3.80 | 4.80 |
| RS35^* | 1.25 | 9.0 | 7.8 | 3.59 | 5.85 | 6.85 |
| RS41* | 1.25 | 9.8 | 8.4 | 3.59 | 6.75 | 7.95 |
| RS40* | 1.5 | 12.0 | 10.4 | 3.97 | 8.25 | 9.95 |
| RS50* | 2.0 | 15.0 | 13.0 | 5.09 | 10.3 | 12.0 |
| RS60 | 2.4 | 18.1 | 15.6 | 5.96 | 12.85 | 14.75 |
| RS80 | 3.2 | 24.1 | 20.8 | 7.94 | 16.25 | 19.25 |
| RS100 | 4.0 | 30.1 | 26.0 | 9.54 | 19.75 | 22.85 |
| RS120 | 4.8 | 36.2 | 31.2 | 11.11 | 24.9 | 28.9 |
| RS140 | 5.6 | 42.2 | 36.4 | 12.71 | 26.9 | 31.7 |
| RS160 | 6.4 | 48.2 | 41.6 | 14.29 | 31.85 | 36.85 |
| RS180 | 7.15 | 54.2 | 46.8 | 17.46 | 35.65 | 42.45 |
| RS200 | 8.0 | 60.3 | 52.0 | 19.85 | 39.0 | 44.8 |
| RS240 | 9.5 | 72.4 | 62.4 | 23.81 | 47.9 | 55.5 |
| Chain No. | Average Tensile Strength kN {kgf} |
Maximum Allowable Load kN {kgf} |
Approx. Mass kg/m |
Number of Links per unit |
| RS25^* | 4.71 {480 } | 0.64 {65 } | 0.14 | 480 |
| RS35^* | 11.3 {1,150} | 2.16 {220 } | 0.33 | 320 |
| RS41* | 11.8 {1,200} | 2.26 {230 } | 0.41 | 240 |
| RS40* | 19.1 {1,950} | 3.63 {370 } | 0.64 | 240 |
| RS50* | 31.4 {3,200} | 6.37 {650 } | 1.04 | 192 |
| RS60 | 44.1 {4,500} | 8.83 {900 } | 1.53 | 160 |
| RS80 | 78.5 {8,000} | 14.7 {1,500} | 2.66 | 120 |
| RS100 | 118.0 {12,000 } | 22.6 {2,300} | 3.99 | 96 |
| RS120 | 167.0 {17,000 } | 30.4 {3,100} | 5.93 | 80 |
| RS140 | 216.0 {22,000 } | 40.2 {4,100} | 7.49 | 68 |
| RS160 | 279.0 {28,500 } | 53.0 {5,400} | 10.10 | 60 |
| RS180 | 370.0 {37,700 } | 60.8 {6,200} | 13.45 | 54 |
| RS200 | 471.0 {48,000 } | 71.6 {7,300} | 16.49 | 48 |
| RS240 | 686.0 {70,000 } | 99.0 {10,100} | 24.5 | 40 |
^ Rollerless
* Riveted only