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

Specifications

Hub Diameter

1.063 in

LTB

0.875 in

Style

B

No. Teeth

9

Finished Bore Diameter

0.625 in
Max. Bore1 0.563 in

Weight

0.160 lb

Tooth Nominal Width

0.284 in

Hardened Teeth 

Yes

UPC Code

097039323781

Chain Technical Data

Pitch

0.500 in

Chain Size

40

Sprocket Diameters

Outside Diameter

1.670 in

Pitch Diameter

1.462 in

Caliper Diameter

1.127 in
  • 1 Dimensions shown allow for standard keyway with set screw at 90°.