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

Specifications

Bore Diameter_SYN

 0.625 in

Hub Diameter_SYN

 3.250 in

LTB

 1.000 in

Sprocket Style_SYN

 B

Number of Teeth_SYN

 39

Outside Diameter_SYN

 6.490 in

Pitch Diameter_SYN

 6.214 in

Caliper Diameter

 5.896 in
Max. Bore1 2.250 in

Weight_SYN

 3.760 lb

Tooth Width_SYN

 0.284 in

Chain Technical Data

Chain Pitch_SYN

 0.500 in

Chain Number_SYN

 40
  • 1 Dimensions shown allow for standard keyway with set screw at 90°