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No. 40, B Style, 1.438" 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 47

Bore Diameter_SYN

N/A 1.438 in

Max. Bore

N/A 2.375 in

Weight_SYN

N/A 5.260 lb

Tooth Width_SYN

N/A 0.284 in

Hardened Teeth 

N/A Yes

Industry Equivalent

N/A 40BS47 1 7/16

UPC Code

N/A 097039305596

Chain Technical Data

Chain Pitch_SYN

N/A 0.500 in

Chain Number_SYN

N/A 40

Sprocket Diameters

Outside Diameter_SYN

N/A 7.770 in

Pitch Diameter_SYN

N/A 7.486 in

Caliper Sprocket Diameter at 3/8 in Pitch

N/A 7.169 in