Select Page

81X Lumber Chain Sprockets

81X Lumber Chain Sprockets

Category: Tag:

Description

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.

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 5.250/5.000 in Type C