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No. 40, B Style, 1.500" Finished Bore
All dimensions are nominal values and for reference only
Unit of Measure

Specifications

Hub Diameter_SYN

3.250 in

Length Through Bore_SYN

1.000 in

Sprocket Style_SYN

B

Number of Teeth_SYN

33

Bore Diameter_SYN

1.500 in

Max. Bore

2.250 in

Weight_SYN

3.030 lb

Tooth Width_SYN

0.284 in

Hardened Teeth 

Yes

Industry Equivalent

40BS33 1 1/2

UPC Code

097039325662

Chain Technical Data

Chain Pitch_SYN

0.500 in

Chain Number_SYN

40

Sprocket Diameters

Outside Diameter_SYN

5.540 in

Pitch Diameter_SYN

5.260 in

Caliper Sprocket Diameter at 3/8 in Pitch

4.941 in