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

Shaft Collar; 2" Bore; Not Threaded; 3-1/4" Outside Diameter; 5/8" Width; Steel; Two Piece Split Recessed Screw

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

1" Bore; Shaft Collar; Aluminum; 1-3/4" Outside Diameter; 1/2" Width; 1/4-28 X 11/16 Clamp Screw Size; Two Piece Split

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