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No. 80, B Style, 1.375" Finished Bore

All dimensions are nominal values and for reference only
Unit of Measure

Specifications

Hub Diameter_SYN

N/A 4.250 in

Length Through Bore_SYN

N/A 1.500 in

Sprocket Style_SYN

N/A B

Number of Teeth_SYN

N/A 20

Bore Diameter_SYN

N/A 1.375 in

Max. Bore

N/A 2.750 in

Weight_SYN

N/A 8.000 lb

Tooth Width_SYN

N/A 0.575 in

Hardened Teeth 

N/A Yes

Industry Equivalent

N/A 80BS20 1 3/8

UPC Code

N/A 097039338792

Chain Technical Data

Chain Pitch_SYN

N/A 1.000 in

Chain Number_SYN

N/A 80

Sprocket Diameters

Outside Diameter_SYN

N/A 6.910 in

Pitch Diameter_SYN

N/A 6.392 in

Caliper Sprocket Diameter at 3/8 in Pitch

N/A 5.767 in