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No. 40, B Style, 1.250" Finished Bore
All dimensions are nominal values and for reference only
Unit of Measure

Specifications

Hub Diameter_SYN

 N/A 3.500 in

Length Through Bore_SYN

 N/A 1.125 in

Sprocket Style_SYN

 N/A B

Number of Teeth_SYN

 N/A 50

Bore Diameter_SYN

 N/A 1.250 in

Max. Bore

 N/A 2.375 in

Weight_SYN

 N/A 5.780 lb

Tooth Width_SYN

 N/A 0.284 in

Hardened Teeth 

 N/A Yes

Industry Equivalent

 N/A 40BS50 1 1/4

UPC Code

 N/A 097039305763

Chain Technical Data

Chain Pitch_SYN

 N/A 0.500 in

Chain Number_SYN

 N/A 40

Sprocket Diameters

Outside Diameter_SYN

 N/A 8.250 in

Pitch Diameter_SYN

 N/A 7.963 in

Caliper Sprocket Diameter at 3/8 in Pitch

 N/A 7.650 in