- Inch
- 20.472 in Minimum Shaft Diameter
- Split Construction
- Hydrogenated Nitrile Lip Material
- Single Lip Style
| Inch/Metric | Inch |
| Shaft Dia. [Min] | 20.472 in |
| Model | 143A2 |
| Lip Type | Face Seal |
| Temperature Range [Max] | 300 °F |
| Construction | SPLIT |
| Seal Type | Excluder Seal |
| Max. Face Bore | 20.863 in |
| Shaft Dia. [Max] | 20.472 in |
| Lip Material | Hydrogenated Nitrile |
| Housing Bore Dia. | 21.784 in |
| Overall Free Width | 0.969 in |
| Assembled Width Tolerance | 0.156 in |
| Assembled Cross Section | 0.656 in |
| Shaft Dia. | 20.472 in |
| Lip Style | Single Lip |
| Surface Speed [Max] | 5,000 ft/min |
| Shaft Contact Width | 0.563 in |
| Assembled Width | 0.781 in |
| Min. Face Diameter | 22.222 in |
| Clamp Height | 0.694 in |
| Temperature Range [Min] | -40 °F |
| Weight | 0.91 LB |
| EAN or UPC | 717744639587 |

