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No. 40, B Style, .625" Finished Bore
All dimensions are nominal values and for reference only
Unit of Measure

Specifications

Hub Diameter

3.500 in

LTB

1.125 in

Style

B

No. Teeth

41

Finished Bore Diameter

0.625 in

Max. Bore

2.375 in

Weight

4.580 lb

Tooth Nominal Width

0.284 in

Hardened Teeth 

Yes

Industry Equivalent

40BS41 5/8

UPC Code

097039305169

Chain Technical Data

Pitch

0.500 in

Chain Size

40

Sprocket Diameters

Outside Diameter

6.810 in

Pitch Diameter

6.532 in

Caliper Diameter

6.214 in