| Manufacturer & Part # | Description | Note |
| BCA/NATIONAL Part # 02820 | Taper Bearing Cup Outer Diameter=2.875" Length=0.6875" Radius=0.125" | Taper Bearing Cup; Rear Axle; Outer; Spicer 41 8.5" R.G. |
| BCA/NATIONAL Part # 02872 | Taper Bearing Cone Bore=1.125" Length=0.875" Radius=0.031" | Taper Bearing Cone; Rear Axle; Outer; Spicer 41 8.5" R.G. |
| BCA/NATIONAL Part # 31520 | Taper Bearing Cup Outer Diameter=3" Length=0.9375" Radius=0.125" | Taper Bearing Cup; Rear Axle; Inner; Spicer 23 |
| BCA/NATIONAL Part # 31520 | Taper Bearing Cup Outer Diameter=3" Length=0.9375" Radius=0.125" | Taper Bearing Cup; Rear Axle; Inner; Spicer 41 8.5" R.G. |
| BCA/NATIONAL Part # 31594 | Taper Bearing Cone Bore=1.375" Length=1.125" Radius=0.062" | Taper Bearing Cone; Rear Axle; Inner; Spicer 41 8.5" R.G. |
| BCA/NATIONAL Part # 31597 | Taper Bearing Cone Bore=1.4375" Length=1.125" Radius=0.14" | Taper Bearing Cone; Rear Axle; Inner; Spicer 23 |