Shaft Collar; 7/16" Bore; Not Threaded; 1-1/16" Outside Diameter; 5/16" Width; Steel; Two Piece Split Recessed Screw

Shaft Collar; 3-15/16" Bore; Stainless Steel; One Piece Solid; 65 Degree Set Screw Position

2-1/2" Bore; Shaft Collar; Steel; 3-3/4" Outside Diameter; 7/8" Width; 3/8-24 X 1 Clamp Screw Size; Two Piece Split

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

1-1/2" Bore; Shaft Collar; Steel; 2-3/8" Outside Diameter; 9/16" Width; 1/4-28 X 3/4 Clamp Screw Size; One Piece Split