Jaw Coupling Hub; 1" Bore; 2-17/32" Hub Dia; Jaw Coupling; Hub; Shaft; Finished Bore; Keyway; 2.531" Outside Diameter; 1.06" Length Thru Bore; L099 Size or Series; Set Screw; Powdered Metal; 7000 Maximum Speed; Buna-N 318 | Hytrel/Bronze 792 | Urethane 477In-Lbs Torque