2-15/16" Bore; 8-5/8" Outside Diameter; Rigid Coupling; Hub; Shaft; No Flange; Finished Bore; 11-5/8" Length Thru Bore; 257 Size or Series; Compression Mount; No Bushing; Keyway; 2210 Max Speed

2-1/2" Bore; 7-1/8" Outside Diameter; Rigid Coupling; Hub; Shaft; No Flange; Finished Bore; 9-5/8" Length Thru Bore; 257 Size or Series; Compression Mount; No Bushing; Keyway; 2680 Max Speed

Rigid Compression Coupling; 1.438" Shaft; 4.5" Outer Diameter; 6.188" Length; Cast Steel Material; 1/2" 4 Assembly Bolt

Rigid Compression Coupling; 2" Shaft; 5.25" Outer Diameter; 8" Length; Cast Steel Material; 1/2" 4 Assembly Bolt

Rigid Compression Coupling; 2.188" Shaft; 6" Outer Diameter; 8.625" Length; Cast Steel Material; 5/8" 4 Assembly Bolt