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No. 40, B Style, 1.188" Finished Bore
All dimensions are nominal values and for reference only
Unit of Measure

Specifications

Hub Diameter

3.250 in

LTB

1.000 in

Style

B

No. Teeth

37

Finished Bore Diameter

1.188 in
Max. Bore1 2.250 in

Weight

3.450 lb

Tooth Nominal Width

0.284 in

Hardened Teeth 

Yes

UPC Code

097039305039

Chain Technical Data

Pitch

0.500 in

Chain Size

40

Sprocket Diameters

Outside Diameter

6.170 in

Pitch Diameter

5.896 in

Caliper Diameter

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