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

Specifications

Pitch

N/A 2.609 in

Roller Diameter

N/A 0.875 in

Plate Thickness

N/A 0.875 in

Style

N/A Type C

Stock Bore

N/A 1.250 in
Max. Bore1 N/A 2.940 in

Pitch Diameter

N/A 9.261 in

Hub Diameter

N/A 4.750 in

LTB

N/A 3.130 in

Approx. Weight

N/A 25.000 lb

No. Teeth

N/A 11

Use

N/A For Tsubaki Chain Numbers 87R, US-278R
  • 1 Dimensions shown allow for standard keyway with set screw at 90°.