Non-standard keys are supplied along with hub and disc assemblies.
Unit of Measure

Disc Thickness

N/A 0.156 Inch

Bore Size

N/A 2.500 Inch

Key Size

N/A .500 x .625 Inch

Weight

N/A 9.3 lbs

Disc Weight

N/A 7.91 lb

Torque Rating

N/A 36.000 in-lb

Max. BTU Per Hour

N/A 1036.0