| Part # | Alternate Part # | Description |
| BCA/NATIONAL 11520 | | Taper Bearing Cup Outer Diameter=1.6875" Length=0.375" Radius=0.062" |
| BCA/NATIONAL 11590 | | Taper Bearing Cone Bore=0.625" Length=0.5625" Radius=0.062" |
| BCA/NATIONAL 23100 | | Taper Bearing Cone Bore=1" Length=0.845" Radius=0.062" |
| BCA/NATIONAL 23256 | | Taper Bearing Cup Outer Diameter=2.5625" Length=0.625" Radius=0.062" |
| BCA/NATIONAL 30302 | | Taper Bearing Assembly / Cone Length=0.5118" Bore=0.5906" Outer Diameter=1.6535" Width=0.561" Cup Length=0.4331" Cone Radius=0.06" Cup Radius=0.06" |
| BCA/NATIONAL 30303 | | Taper Bearing Assembly / Cone Length=0.5512" Bore=0.6693" Outer Diameter=1.8504" Width=0.6004" Cup Length=0.4724" Cone Radius=0.06" Cup Radius=0.06" |
| BCA/NATIONAL 5206KE | | Ball Bearing Outer Race Radius=0.04" Bore=1.1811" Outer Diameter=2.4409" Width=0.9375" Inner Race Radius=0.04" |
| BCA/NATIONAL A4059 | | Taper Bearing Cone Bore=0.59" Length=0.4326" Radius=0.031" |
| BCA/NATIONAL A4138 | | Taper Bearing Cup Outer Diameter=1.3775" Length=0.3437" Radius=0.046" |
| BCA/NATIONAL HK3016 | | Needle Bearing / Shaft Diameter=1.1811" Housing Diameter=1.4567" Width=0.6299" |