No. 41, B Style, 1.250 " 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

1.063 in

Sprocket Style_SYN

B

Number of Teeth_SYN

40

Bore Diameter_SYN

1.250 in

Max. Bore

1.250 in

Weight_SYN

3.680 lb

Tooth Width_SYN

0.227 in

Hardened Teeth 

Yes

Industry Equivalent

41BS40 1 1/4

UPC Code

097039322784

Chain Technical Data

Chain Pitch_SYN

0.500 in

Chain Number_SYN

41

Sprocket Diameters

Outside Diameter_SYN

6.650 in

Pitch Diameter_SYN

6.373 in

Caliper Sprocket Diameter at 3/8 in Pitch

6.067 in