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You might not think engineers are brave.....But it took balls of steel to make the first bearings.
You might not think engineers are brave.....But it took balls of steel to make the first bearings.
Sprocket 41B42H Heat treated Type B for #41 roller chain 42 tooth

Sprocket 41B42H Heat treated Type B for #41 roller chain 42 tooth

$42.00
SKU 41B42H-SB
Size

41B42H 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"



Pick Your Bore Size

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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” = 1/2” X 1/4”