Shaft Collar; 1" Bore; Steel; 1-3/4" Outside Diameter; 1/2" Width; 1/4-28 X 5/8 Clamp Screw Size; Two Piece Split

Shaft Collar; 15/16" Bore; Steel; 1-3/4" Outside Diameter; 1/2" Width; 1/4-28 X 5/8 Clamp Screw Size; Two Piece Split

Shaft Collar; 1-3/4" Bore; Not Threaded; 2-5/8" Outside Diameter; 7/8" Width; Stainless Steel; One Piece Solid

Shaft Collar; 5/8" Bore; Not Threaded; 1-1/2" Outside Diameter; 13/32" Width; Steel; One Piece Split Recessed Screw

Shaft Collar; 2" Bore; Not Threaded; 3" Outside Diameter; 7/8" Width; Stainless Steel; One Piece Solid