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No. 80, B Style, 2.188" Finished Bore

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

Specifications

Hub Diameter_SYN

4.250 in

Length Through Bore_SYN

1.500 in

Sprocket Style_SYN

B

Number of Teeth_SYN

18

Bore Diameter_SYN

2.188 in

Max. Bore

2.750 in

Weight_SYN

6.500 lb

Tooth Width_SYN

0.575 in

Hardened Teeth 

Yes

Industry Equivalent

80BS18 2 3/16

UPC Code

097039338990

Chain Technical Data

Chain Pitch_SYN

1.000 in

Chain Number_SYN

80

Sprocket Diameters

Outside Diameter_SYN

6.270 in

Pitch Diameter_SYN

5.759 in

Caliper Sprocket Diameter at 3/8 in Pitch

5.134 in