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No. 25, B Style, .250" plain bore

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

Sprocket Specifications

Stock Bore Diameter

 N/A 0.250 in

Hub Diameter

 N/A 1.375 in

LTB

 N/A 0.625 in

Style

 N/A B

No. Teeth

 N/A 21

Outside Diameter

 N/A 1.809 in

Pitch Diameter

 N/A 1.678 in

Caliper Diameter

 N/A 1.543 in
Max. Bore1 N/A 0.875 in

Weight

 N/A 0.280 lb

Tooth Nominal Width

 N/A 0.110 in

Hardened Teeth 

 N/A No

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

Specifications

UPC Code

 N/A 097039313409
  • 1 Dimensions shown allow for standard keyway with set screw at 90°.