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

Specifications

Hub Diameter

3.500 in

LTB

1.125 in

Style

B

No. Teeth

56

Finished Bore Diameter

0.625 in
Max. Bore1 2.375 in

Weight

6.710 lb

Tooth Nominal Width

0.284 in

Hardened Teeth 

Yes

UPC Code

097039306159

Chain Technical Data

Pitch

0.500 in

Chain Size

40

Sprocket Diameters

Outside Diameter

9.200 in

Pitch Diameter

8.917 in

Caliper Diameter

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