No. 40, B Style, .875" Finished Bore
All dimensions are nominal values and for reference only
Unit of Measure

Specifications

Hub Diameter_SYN

N/A 2.625 in

Length Through Bore_SYN

N/A 1.000 in

Sprocket Style_SYN

N/A B

Number of Teeth_SYN

N/A 20

Bore Diameter_SYN

N/A 0.875 in

Max. Bore

N/A 1.875 in

Weight_SYN

N/A 1.330 lb

Tooth Width_SYN

N/A 0.284 in

Hardened Teeth 

N/A Yes

Industry Equivalent

N/A 40BS20 7/8

UPC Code

N/A 097039324436

Chain Technical Data

Chain Pitch_SYN

N/A 0.500 in

Chain Number_SYN

N/A 40

Sprocket Diameters

Outside Diameter_SYN

N/A 3.460 in

Pitch Diameter_SYN

N/A 3.196 in

Caliper Sprocket Diameter at 3/8 in Pitch

N/A 2.883 in