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81X Lumber Chain Sprockets
When it comes to Engineer-class 81X sprockets there are four standard configurations. A-Plate, B-hub, C-hub, and split sprockets. However, we also supply idler sprockets that use bearings or bronze bushings depending on the sprocket size and application.
81X Lumber Chain Sprocket
When it comes to Engineer-class 81X sprockets there are four standard configurations. A-Plate, B-hub, C-hub, and split sprockets. However, we also supply idler sprockets that use bearings or bronze bushings depending on the sprocket size and application. Below is a chart that shows the standard tooth-counts for 81x chain sprockets. s
Item # | No. Teeth | Stock Bore | Pitch Diameter | Hub Diameters (A/B) | Style |
81XA8 | 8 | 0.938 in | N/A | N/A | Type A |
81XA9 | 9 | 1.250 in | N/A | N/A | Type A |
81XA10 | 10 | 1.250 in | N/A | N/A | Type A |
81XA11 | 11 | 1.250 in | N/A | N/A | Type A |
81XA12 | 12 | 1.250 in | N/A | N/A | Type A |
81XC8 | 8 | 0.938 in | 6.818 in | 4.750/4.500 in | Type C |
81XC9 | 9 | 1.250 in | 7.628 in | 5.250/5.000 in | Type C |
81XC10 | 10 | 1.250 in | 8.443 in | 5.250/5.000 in | Type C |
81XC11 | 11 | 1.250 in | 9.261 in | 5.250/5.000 in | Type C |
81XC12 | 12 | 1.250 in | 10.080 in |
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