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

1.250 in

LTB

0.875 in

Style

B

No. Teeth

10

Outside Diameter

1.840 in

Pitch Diameter

1.618 in

Caliper Diameter

1.305 in
Max. Bore1 0.750 in

Weight

0.280 lb

Tooth Nominal Width

0.284 in

UPC Code

097039390714

Chain Technical Data

Pitch

0.500 in

Chain Size

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