Torque capacity up to 1200 in-lbs. with a 16" Disc. Brake torque may be doubled or tripled by adding brake calipers. Arc contoured shoe provides large friction area for greater facing life and stability. Mounts in any position with a “T” Bracket. Disc Speeds up to 4500 rpm. Disc Hubs use QD Bushing “SK” for shaft sizes from 0.5 to 2.125 inches/Standard Keyway. Optional Air Hose Assembly comes with required fittings and hose for both air inlets. The Disc, Hub and Air Hose are ordered separately.