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No. 120, B Style, 1.250" plain bore

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

Specifications

Bore Diameter_SYN

 N/A 1.250 in
Hub Diameter_SYN1 N/A 5.250 in

LTB

 N/A 2.375 in

Sprocket Style_SYN

 N/A B

Number of Teeth_SYN

 N/A 21

Outside Diameter_SYN

 N/A 10.850 in

Pitch Diameter_SYN

 N/A 10.065 in

Caliper Sprocket Diameter at 3/8 in Pitch

 N/A 9.161 in
Max. Bore2 N/A 3.500 in

Weight_SYN

 N/A 26.700 lb

Tooth Width_SYN

 N/A 0.924 in

Hardened Teeth_SYN

 N/A Yes

UPC Code

 N/A 097039317537

Chain Technical Data

Chain Pitch_SYN

 N/A 1.500 in

Chain Number_SYN

 N/A 120
  • 1 Hub diameter may vary to suit bore sizes
  • 2 Dimensions shown allow for standard key way with set screw at 90°