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

Specifications

Hub Diameter_SYN

3.500 in

Length Through Bore_SYN

1.125 in

Sprocket Style_SYN

B

Number of Teeth_SYN

45

Bore Diameter_SYN

1.500 in

Max. Bore

2.375 in

Weight_SYN

5.060 lb

Tooth Width_SYN

0.284 in

Hardened Teeth 

Yes

Industry Equivalent

40BS45 1 1/2

UPC Code

097039326294

Chain Technical Data

Chain Pitch_SYN

0.500 in

Chain Number_SYN

40

Sprocket Diameters

Outside Diameter_SYN

7.450 in

Pitch Diameter_SYN

7.168 in

Caliper Sprocket Diameter at 3/8 in Pitch

6.851 in