1-7/8 External Snap Ring
External
L190 Hub 1-7/8 (1/2X1/4 Key Way)
2 Bolt Pillow Block Bearing 1-7/8 Shaft
6018 Chain Coupling 1-7/8
10S Flange 1-7/8 (1/2X1/4 Key Way)
1-1/8 Internal Snap Ring
1-1/16 Internal Snap Ring