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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

4.000 in

LTB

1.250 in

Style

B

No. Teeth

112

Outside Diameter

18.120 in

Pitch Diameter

17.827 in

Caliper Diameter

17.515 in
Max. Bore1 2.750 in

Weight

22.560 lb

Tooth Nominal Width

0.284 in

Hardened Teeth 

Yes

UPC Code

097039315250

Chain Technical Data

Pitch

0.500 in

Chain Size

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