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

27

Outside Diameter

4.580 in

Pitch Diameter

4.307 in

Caliper Diameter

3.987 in
Max. Bore1 2.250 in

Weight

2.660 lb

Tooth Nominal Width

0.284 in

Hardened Teeth 

Yes

UPC Code

097039314864

Chain Technical Data

Pitch

0.500 in

Chain Size

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