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No. 40, B Style, 1.00" Finished Bore
All dimensions are nominal values and for reference only
Unit of Measure

Specifications

Hub Diameter

1.563 in

LTB

0.875 in

Style

B

No. Teeth

13

Finished Bore Diameter

1.000 in

Max. Bore

1.063 in

Weight

0.450 lb

Tooth Nominal Width

0.284 in

Hardened Teeth 

Yes

Industry Equivalent

40BS13 1

UPC Code

097039323958

Chain Technical Data

Pitch

0.500 in

Chain Size

40

Sprocket Diameters

Outside Diameter

2.330 in

Pitch Diameter

2.089 in

Caliper Diameter

1.761 in