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

Specifications

Pitch

3.075 in

Plate Thickness

1.125 in

Barrel Diameter

1.250 in

No. Teeth

12

Stock Bore

1.250 in
Max. Bore1 3.190 in

Pitch Diameter

11.881 in

Hub Diameter

5.250 in

LTB

3.880 in

Approx. Weight

51.000 lb

Style

Type C

Use

For Tsubaki Chain Numbers 131, 30702, 30703, 30704, C-131
  • 1 Dimensions shown allow for standard keyway with set screw at 90°.