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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

3.250 in

LTB

1.000 in

Style

B

No. Teeth

27

Finished Bore Diameter

1.000 in

Max. Bore

2.250 in

Weight

2.420 lb

Tooth Nominal Width

0.284 in

Hardened Teeth 

Yes

Industry Equivalent

40BS27 1

UPC Code

097039325075

Chain Technical Data

Pitch

0.500 in

Chain Size

40

Sprocket Diameters

Outside Diameter

4.580 in

Pitch Diameter

4.307 in

Caliper Diameter

3.987 in