No. 40, B Style, .750" plain bore
All dimensions are nominal values and for reference only
Unit of Measure

Specifications

Stock Bore Diameter

0.750 in

Hub Diameter

3.500 in

LTB

1.125 in

Style

B

No. Teeth

49

Outside Diameter

8.090 in

Pitch Diameter

7.804 in

Caliper Diameter

7.487 in
Max. Bore1 2.375 in

Weight

5.900 lb

Tooth Nominal Width

0.284 in

Chain Technical Data

Pitch

0.500 in

Chain Size

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