1-3/4 External Snap Ring
External
2 Bolt Flange Bearing 1-3/4 Shaft
1-1/4 Internal Snap Ring
F1-3/4 QD HUB
1-1/8 Internal Snap Ring
C280 Hub 1-3/4 (3/8X3/16 Key Way)
Type E 2 Bolt Pillow Block 1-3/4