| Manufacturer & Part # | Description | Note |
| BCA/NATIONAL Part # 24720 | Taper Bearing Cup Outer Diameter=3" Length=0.6875" Radius=0.031" | Taper Bearing Cup; Rear Axle; Spicer 23 |
| BCA/NATIONAL Part # 24780 | Taper Bearing Cone Bore=1.625" Length=0.9063" Radius=0.14" | Taper Bearing Cone; Rear Axle; Spicer 23 |
| BCA/NATIONAL Part # 25523 | Taper Bearing Cup Outer Diameter=3.265" Length=0.875" Radius=0.093" | Taper Bearing Cup; Rear Axle; Spicer 41 8.5" R.G. |
| BCA/NATIONAL Part # 25577 | Taper Bearing Cone Bore=1.688" Length=1" Radius=0.14" | Taper Bearing Cone; Rear Axle; Spicer 41 8.5" R.G. |