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No. 40, B Style, .625" Finished Bore
All dimensions are nominal values and for reference only
Unit of Measure

Specifications

Hub Diameter_SYN

 N/A 1.563 in

Length Through Bore_SYN

 N/A 0.875 in

Sprocket Style_SYN

 N/A B

Number of Teeth_SYN

 N/A 12

Bore Diameter_SYN

 N/A 0.625 in

Max. Bore

 N/A 1.000 in

Weight_SYN

 N/A 0.340 lb

Tooth Width_SYN

 N/A 0.284 in

Hardened Teeth 

 N/A Yes

Industry Equivalent

 N/A 40BS12 5/8

UPC Code

 N/A 097039323873

Chain Technical Data

Chain Pitch_SYN

 N/A 0.500 in

Chain Number_SYN

 N/A 40

Sprocket Diameters

Outside Diameter_SYN

 N/A 2.170 in

Pitch Diameter_SYN

 N/A 1.932 in

Caliper Sprocket Diameter at 3/8 in Pitch

 N/A 1.620 in