1-15/16" Bore; 5-1/4" Outside Diameter; Rigid Coupling; Hub; Shaft; No Flange; Finished Bore; 7-15/16" Length Thru Bore; Compression Mount; No Bushing; Keyway; 3635 Max Speed; 8600In-Lbs Torque

13" Outside Diameter; Rigid Coupling; Hub; Shaft; Female Flange; Bushed; 1-15/16 To 4-15/16" Bore Range; 4-1/2" Length Thru Bore; R45 Size or Series; Compression Mount; 4545 Bushing Size; Keyway; 1910 Max Speed; 107000In-Lbs Torque