| Image | Supplier | Item Code | Short Description |
|---|---|---|---|
| | Accurate Bushing Company, Inc | ABC IRR-4 | Smith Bearing IRR-4 Inner Ring Race, 4 in Dia Bore, 4.9985 in OD, 2.26 in |
| | Accurate Bushing Company, Inc | ABC YAG-64 | Smith Bearing YAG-64 Yoke Type Airframe Bearing, 4 in Dia Bore, 4-7/8 in O |
| Manufacturer | Accurate Bushing Company, Inc |
| Bore Diameter | 4 in |
