No. 120, B Style, 1.250" plain bore

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

Specifications

Bore Diameter_SYN

1.250 in
Hub Diameter_SYN1 5.250 in

LTB

2.375 in

Sprocket Style_SYN

B

Number of Teeth_SYN

17

Outside Diameter_SYN

8.920 in

Pitch Diameter_SYN

8.163 in

Caliper Sprocket Diameter at 3/8 in Pitch

7.254 in
Max. Bore2 3.500 in

Weight_SYN

20.800 lb

Tooth Width_SYN

0.924 in

Hardened Teeth_SYN

Yes

UPC Code

097039317490

Chain Technical Data

Chain Pitch_SYN

1.500 in

Chain Number_SYN

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