10MM Bore; Shaft Collar; Steel; 25.4MM Outside Diameter; 9MM Width; M3 X 10 Clamp Screw Size; One Piece Split

50MM Bore; Shaft Collar; Stainless Steel; 79.375MM Outside Diameter; 19MM Width; M8 X 25 Clamp Screw Size; Two Piece Split

55MM Bore; Shaft Collar; Stainless Steel; 82.6MM Outside Diameter; 19MM Width; M8 X 25 Clamp Screw Size; Two Piece Split

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

1-15/16" Bore; Shaft Collar; Aluminum; 3" Outside Diameter; 11/16" Width; 5/16-24 X 1 Clamp Screw Size; Two Piece Split