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No. 25, B Style, .3125" plain bore

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

Sprocket Specifications

Bore Diameter_SYN

 N/A 0.313 in

Hub Diameter_SYN

 N/A 1.031 in

LTB

 N/A 0.500 in

Sprocket Style_SYN

 N/A B

Number of Teeth_SYN

 N/A 17

Outside Diameter_SYN

 N/A 1.487 in

Pitch Diameter_SYN

 N/A 1.361 in

Caliper Diameter

 N/A 1.487 in
Max. Bore1 N/A 0.625 in

Weight_SYN

 N/A 0.140 lb

Tooth Width_SYN

 N/A 0.110 in

Chain Technical Data

Chain Pitch_SYN

 N/A 0.250 in

Chain Number_SYN

 N/A 25

Inside Width 

 N/A 0.125 in

Roller Diameter 

 N/A 0.130 in
  • 1 Dimensions shown allow for standard keyway with set screw at 90°.