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Sprocket 50B21H Heat Treated Type B for #50 Roller Chain 21 Tooth


50B21H Type B Sprocket


Finished Bore W/Keyway and Set Screws

For #50 Roller Chain

21 Tooth

Outside Diameter = 4.520"

Pitch Diameter = 4.194"

LTB = 1"

Hub Diameter = 3"


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