1-7/8 External Snap Ring
External
L190 Hub 1-7/8 (1/2X1/4 Key Way)
SD1-7/8 QD HUB
9SCH Spacer Flange 1-7/8 (1/2X1/4 Key Way)
2 Bolt Pillow Block Bearing 1-7/8 Shaft
7S Flange 1-7/8 (1/2X1/8 Key Way)
1 Internal Snap Ring