No. 40, B Style, .500" plain bore SS
Has recessed groove in hub for chain clearance

All dimensions are nominal values and for reference only
Unit of Measure

Specifications

Stock Bore

0.500 in

Hub Diameter

1.563 in

LTB

0.875 in

Style

B

No. Teeth

12

Outside Diameter

2.170 in

Pitch Diameter

1.932 in

Caliper Diameter

1.620 in
Max. Bore1 0.938 in

Weight

0.440 lb

Tooth Nominal Width

0.284 in

UPC Code

097039390738

Chain Technical Data

Pitch

0.500 in

Chain Size

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