V-Belt; 0.669" Bore; 5/8" Belt Width; 1 Groove; Ball Bearing; 4" Outside Diameter; B Belt Series; Nylon

Keyless Screw Locking Assembly; 3/4" Bore; 1-5/16" Outside Diameter; 0.807" Length; Steel; B109 Series; M4 X 14 Cap Screw

Shaft Mounted; 1/2" Shaft Diameter; 6.92" Overall Length; 3.34" Overall Width; 1-5/8" Overall Height; Adjustable; Aluminum