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

Bore Size

N/A 1.438 Inch

Key Size

N/A .375 x .250 Inch

Weight

N/A 4.1 lbs

Disc Weight

N/A 5.46 lb

Torque Rating

N/A 12.000 in-lb

Max. BTU Per Hour

N/A 719.4