Shaft Collar; 1-1/8" Bore; Not Threaded; 3-1/8" Outside Diameter; 1-1/4" Width; Iron; One Piece Split

Bearing Collar; 3/4" Bore; Steel; One Piece Solid; 1-11/64" Outer Diameter; 7/16" Width; One Number of Set Screw; No Keyway

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

Shaft Collar; 2-15/16" Bore; Not Threaded; 5" Outside Diameter; 1-5/8" Width; Iron; One Piece Solid

Shaft Collar; 9/16" Bore; Steel; 1-5/16" Outside Diameter; 13/32" Width; 8-32 X 1/2 Clamp Screw Size; Two Piece Split