No. 41, B Style, 1.188 " 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

1.063 in

Sprocket Style_SYN

B

Number of Teeth_SYN

45

Bore Diameter_SYN

1.188 in

Max. Bore

1.188 in

Weight_SYN

3.940 lb

Tooth Width_SYN

0.227 in

Hardened Teeth 

Yes

Industry Equivalent

41BS45 1 3/16

UPC Code

097039322937

Chain Technical Data

Chain Pitch_SYN

0.500 in

Chain Number_SYN

41

Sprocket Diameters

Outside Diameter_SYN

7.450 in

Pitch Diameter_SYN

7.168 in

Caliper Sprocket Diameter at 3/8 in Pitch

6.858 in