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Plastic Sprockets
Now it is easier than ever to design your project with metal or plastic chain. Our plastic hub sprockets are not only extremely strong but lightweight as well. The sprockets are 0.100” thick, accept standard 0.25” (1/4”) metal or plastic chain, and work well with our 0.770” aluminum hubs.
Plastic Sprockets
Bore Tolerance: +.002/ -.000
Now it is easier than ever to design your project with metal or plastic chain. Our plastic hub sprockets are not only extremely strong but lightweight as well. The sprockets are 0.100” thick, accept standard 0.25” (1/4”) metal or plastic chain, and work well with our 0.770” aluminum hubs.
| Tooth | P.D. | O.D. | Part # | Weight |
| 16T | 1.282" | 1.407” | RHS-250-16 | .059 oz |
| 18T | 1.440" | 1.568” | RHS-250-18 | .083 oz |
| 20T | 1.598" | 1.729" | RHS-250-22 | .110 oz |
| 22T | 1.757" | 1.889" | RHS-250-22 | .141 oz |
| 24T | 1.955" | 2.049" | RHS-250-24 | .175 oz |
| 26T | 2.074" | 2.209" | RHS-250-26 | .213 oz |
| 28 | 2.233" | 2.372" | RHS-250-28 | .255 oz |
| 30T | 2.392" | 2.529" | RHS-250-30 | .3 oz |
| 32T | 2.551" | 2.688" | RHS-250-32 | .349 oz |
| 34T | 2.712" | 2.853" | RHS-250-34 | .401 oz |
| 36T | 2.870" | 3.014" | RHS-250-36 | .457 oz |
| 38T | 3.029" | 3.175" | RHS-250-38 | .517 oz |
| 40T | 3.188" | 3.336" | RHS-250-40 | .580 oz |
| 42T | 3.346" | 3.497" | RHS-250-42 | .647 oz |
| 44T | 3.505" | 3.658" | RHS-250-44 | .717 oz |
| 46T | 3.664" | 3.818" | RHS-250-46 | .791 oz |
| 48T | 3.823" | 3.979" | RHS-250-48 | .869 oz |
| 50T | 3.981" | 4.140" | RHS-250-50 | .950 oz |
| 52T | 4.140" | 4.301" | RHS-250-52 | 1.04 oz |
| 54T | 4.299" | 4.462" | RHS-250-54 | 1.13 oz |
| 56T | 4.458" | 4.623" | RHS-250-56 | 1.22 oz |
| 58T | 4.616" | 4.784" | RHS-250-58 | 1.32 oz |
| 60T | 4.775" | 4.945" | RHS-250-60 | 1.41 oz |
| 62T | 4.934" | 5.106" | RHS-250-62 | 1.52 oz |
| 64T | 5.092" | 5.266" | RHS-250-64 | 1.62 oz |
| 66T | 5.521" | 5.427" | RHS-250-66 | 1.73 oz |
| 68T | 5.410" | 5.588" | RHS-250-68 | 1.85 oz |
| 70T | 5.569" | 5.749" | RHS-250-70 | 1.96 oz |
| 72T | 5.727" | 5.910" | RHS-250-72 | 2.08 oz |
| 74T | 5.886" | 6.071" | RHS-250-74 | 2.21 oz |
| 76T | 6.045" | 6.232" | RHS-250-76 | 2.34 oz |
| 78T | 6.204" | 6.393" | RHS-250-78 | 2.47 oz |
| 80T | 6.362" | 6.554" | RHS-250-80 | 2.60 oz |
| 82T | 6.521" | 6.714" | RHS-250-82 | 2.74 oz |
| 84T | 6.680" | 6.875" | RHS-250-84 | 2.88 oz |
| 86T | 6.838" | 7.036" | RHS-250-86 | 3.03 oz |
| 88T | 6.997" | 7.197" | RHS-250-88 | 3.18 oz |
| 90T | 7.156" | 7.358" | RHS-250-90 | 3.33 oz |
| 92T | 7.315" | 7.519" | RHS-250-92 | 3.49 oz |
| 94T | 7.473" | 7.680" | RHS-250-94 | 3.65 oz |
| 96T | 7.632" | 7.841" | RHS-250-96 | 3.82 oz |
| 98T | 7.791" | 8.002" | RHS-250-98 | 3.98 oz |
| 100T | 7.950" | 8.162" | RHS-250-100 | 4.15 oz |
| Sprocket Size | Tooth Count | Material | Pitch Diameter | Stock Bore | Length Thru Bore |
| 25B10 | 10 | Nylatron | 0.81" | 1/4" | 0.485" |
| 25B11 | 11 | Nylatron | 0.89" | 1/4" | 0.485" |
| 25B12 | 12 | Nylatron | 0.97" | 5/16" | 0.485" |
| 25B13 | 13 | Nylatron | 1.05" | 5/16" | 0.485" |
| 25B14 | 14 | Nylatron | 1.13" | 5/16" | 0.485" |
| 25B15 | 15 | Nylatron | 1.20" | 5/16" | 0.485" |
| 25B16 | 16 | Nylatron | 1.28" | 5/16" | 0.485" |
| 25B17 | 17 | Nylatron | 1.36" | 5/16" | 0.485" |
| 25B18 | 18 | Nylatron | 1.44" | 3/8" | 0.485" |
| 25B19 | 19 | Nylatron | 1.52" | 3/8" | 0.485" |
| 25B20 | 20 | Nylatron | 1.60" | 3/8" | 0.485" |
| 25B21 | 21 | Nylatron | 1.68" | 3/8" | 0.485" |
| 25B22 | 22 | Nylatron | 1.76" | 3/8" | 0.485" |
| 25B24 | 24 | Nylatron | 1.91" | 3/8" | 0.485" |
| 25B26 | 26 | Nylatron | 2.07" | 3/8" | 0.485" |
| 25B28 | 28 | Nylatron | 2.23" | 3/8" | 0.485" |
| 25B30 | 30 | Nylatron | 2.39" | 3/8" | 0.485" |
| 25B36 | 36 | Nylatron | 2.87" | 1/2" | 0.610" |
| 25B40 | 40 | Nylatron | 3.19" | 1/2" | 0.610" |
| 25B48 | 48 | Nylatron | 3.82" | 1/2" | 0.610" |
| 25B54 | 54 | Nylatron | 4.30" | 1/2" | 0.610" |
| 25B60 | 60 | Nylatron | 4.78" | 1/2" | 0.443" |
