3-1/2 External Snap Ring
External
12S Flange 3-1/2 (7/8X X 7/16 Key Way)
3/4 Internal Snap Ring
1-1/4 Internal Snap Ring
Type E 4 Bolt Flange Square 3-1/2
4 Bolt Flange Bearing 3-1/2 Shaft
2-3/4 Internal Snap Ring