40B21H Type B Sprocket

Finished Bore W/Keyway and Set Screws

For #40 Roller Chain

21 Tooth

Outside Diameter = 3.620"

Pitch Diameter = 3.655"

LTB = 1"

Hub Diameter = 2 3/4"

FREE SHIPPING in Lower 48 States

Buy 2 or More Type B Sprockets and Take 10% Off at Checkout!

Use coupon code:   K1E3BE3RHDZC 

Coupon not for use with Quantity Discount Items