No. 40, B Style, .750" Finished Bore
All dimensions are nominal values and for reference only
Unit of Measure

Specifications

Hub Diameter_SYN

1.250 in

Length Through Bore_SYN

0.875 in

Sprocket Style_SYN

B

Number of Teeth_SYN

10

Bore Diameter_SYN

0.750 in

Max. Bore

0.750 in

Weight_SYN

0.240 lb

Tooth Width_SYN

0.284 in

Hardened Teeth 

Yes

Industry Equivalent

40BS10 3/4

UPC Code

097039323811

Chain Technical Data

Chain Pitch_SYN

0.500 in

Chain Number_SYN

40

Sprocket Diameters

Outside Diameter_SYN

1.840 in

Pitch Diameter_SYN

1.618 in

Caliper Sprocket Diameter at 3/8 in Pitch

1.305 in