No. 40, A Plate, .625" plain bore
All dimensions are nominal values and for reference only
Unit of Measure

Specifications

Bore Diameter_SYN

 0.625 in

Sprocket Style_SYN

 A

Number of Teeth_SYN

 18

Outside Diameter_SYN

 3.140 in

Pitch Diameter_SYN

 2.879 in

Caliper Diameter

 2.567 in

Weight_SYN

 0.440 lb

Tooth Width_SYN

 0.284 in

Hardened Teeth 

 Yes

UPC Code

 097039309129

Chain Technical Data

Chain Pitch_SYN

 0.500 in

Chain Number_SYN

 40