2-1/2 External Snap Ring
External
2 Bolt Pillow Block Bearing 2-1/2 Shaft
1-1/16 Internal Snap Ring
11S Flange 2-1/2 (5/8X5/16 Key Way)
4 Bolt Flange Bearing 2-1/2 Shaft
1-11/16 Internal Snap Ring
10S Flange 2-1/2 (5/8X5/16 Key Way)