81X Lumber Chain Sprockets

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.
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Product Details

81X Lumber Chain Sprockets


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. 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







81XA880.938 inN/AN/AType A
81XA991.250 inN/AN/AType A
81XA10101.250 inN/AN/AType A
81XA11111.250 inN/AN/AType A
81XA12121.250 inN/AN/AType A
81XC880.938 in6.818 in4.750/4.500 inType C
81XC991.250 in7.628 in5.250/5.000 inType C
81XC10101.250 in8.443 in5.250/5.000 inType C
81XC11111.250 in9.261 in5.250/5.000 inType C
81XC12121.250 in10.080 in5.250/5.000 inType C






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