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

Specifications

Stock Bore Diameter

0.625 in

Hub Diameter

3.250 in

LTB

1.000 in

Style

B

No. Teeth

33

Outside Diameter

5.540 in

Pitch Diameter

5.260 in

Caliper Diameter

4.941 in
Max. Bore1 2.250 in

Weight

3.220 lb

Tooth Nominal Width

0.284 in

Hardened Teeth 

Yes

UPC Code

097039314925

Chain Technical Data

Pitch

0.500 in

Chain Size

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