41B42H Type B Heat Treated Sprocket for #41 Roller Chain - 42 Tooth - 3/4" Stock Bore Chain Breaker Tool Fits Mill Chains H78

Fits Mill Chains H78

Hub Diameter = 2 5/16"

625" WIDTH

PITCH:  1

41B42H Type B Heat Treated Sprocket for #41 Roller Chain - 42 Tooth - 3/4" Stock Bore Chain Breaker Tool Fits Mill Chains H7841B42H Type B Hub Sprocket 42 Teeth Heat Treated for #41 Roller Chain Outside dia 6. 97" LTB = 1 1 16" Hub Diameter = 3 1 4" 3 4" Stock Bore No KW SS Pick Your Bore Size FREE SHIPPING Standard Keyway Sizes Listed are the standard keyway sizes furnished with corresponding bore sizes. Bore To Keyway 1 2 to 9 16 = 1 8 X 1 16 5 8 to 7 8 = 3 16 X 3 32 15 16 to 1 1 4 = 1 4 X 1 8 1 5 16 to 1 3 8 = 5 16 X 5 32 1 7 16 to 1 3 4 = 3 8 X 3 16 1 3 16 to 2 1 4 = 1