Roller Chain Sprocket; 2" Bore; 50 Chain; 28 Teeth; 1 Row of Teeth; Hardened Teeth; 5-59/64" Outside Diameter; 5.582" Pitch Diameter; A-No Hub; Finished Bore Mount; No Bushing; 5/8" Chain Pitch; ANSI Roller Chain; No Keyway; Steel Material

Sprocket, Idler; Roller Chain; 5/8" Bore; 50 Chain Size; 17 Teeth; Ball Bearing; 5/8" Chain Pitch; 1 Row of Teeth; Hardened Teeth; Steel

1 Groove; 5" OD; Bushed; 4L | A | 5L | B Belt Series; 4.44" Pitch Minimum; 4.84" Pitch Maximum; Keyway

Shaft Key; 1" X 6FT LG; 1/4 X 1/8" Keyway

Shaft Key; 1-7/16" OD; 3/8 X 3/16 Keyway; Stainless Steel 303