$25 Minimum Order
40B21 1
Picture may not depict actual tooth count

40B21 1" Finished Bore Sprocket (40BS21H-1)

Item ID: 40B21-1
Availability: 84 In Stock Nitro 40B21-1
Price: $12.48
Write a Review
(Login Required)

Estimate Shipping

Adding other items will affect these rates
ANSI Type B / BS finished bore sprockets have a hub on one side with two set screws and a keyway.  All Type B / BS Nitro sprockets have a black oxide finish.

Fits ANSI Chain Size: #40
Bore (D1): 1
Number Of Teeth:21
Outside Diameter (de): 3.618"
Sprocket Thickness (B1): 0.284" (Not including Hub)
Hub Diameter (dm): 2-3/4"
LTB - Length Thru Bore (A): 1"
Keyway Size: 1/4" X 1/8"
Hardended Teeth: Yes (30-45Rc)
Number Of Setscrews: 2

Interchange Numbers:


Recently Viewed Items