No. 25, A plate, .500" plain bore

All dimensions are nominal values and for reference only
Unit of Measure

Sprocket Specifications

Stock Bore Diameter

N/A 0.500 in

Style

N/A A

No. Teeth

N/A 42

Outside Diameter

N/A 3.486 in

Pitch Diameter

N/A 3.346 in

Caliper Diameter

N/A 3.216 in

Weight

N/A 0.240 lb

Tooth Nominal Width

N/A 0.110 in

Hardened Teeth 

N/A Yes

Chain Technical Data

Pitch

N/A 0.250 in

Chain Size

N/A 25

Inside Width 

N/A 0.125 in

Roller Diameter 

N/A 0.130 in