These professional-grade radial shaft seals are designed for industrial gearboxes and reducers to help retain lubricants and reduce contaminant ingress—supporting reliable operation and cleaner lubrication.
Stable lip preload with spring-energized design
Configurable lip & OD structures for reliable fit
Material options aligned to oil, temperature, and duty
OEM & maintenance friendly sizing support
| Attribute | Options / Notes |
|---|---|
| Product type | Radial shaft seal (rotary lip seal) |
| Grade positioning | Professional-grade |
| Target equipment | Industrial gearboxes & reducers |
| Primary function | Oil/grease retention |
| Secondary function | Dust/dirt exclusion |
| Lip configuration | Single lip / Double lip (dust lip) |
| Spring energizer | Garter spring (standard); stainless optional |
| OD style | Metal case / Rubber-coated OD / Elastomer OD |
| OD retention | Press-fit into housing bore |
| Case material | Steel (standard); stainless optional |
| Lip materials | NBR / FKM / HNBR / PTFE (on request) |
| Compound hardness | Typically 70–80 Shore A (compound dependent) |
| Lubricant media | Gear oils, greases (verify for synthetics) |
| Temperature capability | Material dependent |
| Speed capability | Profile/material dependent |
| Pressure capability | Low pressure typical; special profiles optional |
| Dust lip option | Available |
| Rotation direction | Bi-directional (standard) |
| Helix/pumping option | On request (rotation-dependent) |
| Shaft size (d) | Custom |
| Housing bore (D) | Custom |
| Width (b) | Custom |
| Runout tolerance | Profile dependent; provide runout for selection |
| Misalignment tolerance | Profile dependent; provide offset for selection |
| Shaft surface finish | Fine finish recommended |
| Shaft hardness | Recommended per duty/contamination |
| Housing finish | Suitable for stable press-fit |
| Installation method | Press-fit using driver tool |
| Lead-in chamfer | Recommended |
| Assembly sleeve | Recommended for splines/keyways |
| Drag torque | Depends on lip preload & lubrication film |
| Heat generation | Depends on speed/material/installation |
| Wear resistance | Compound dependent; enhanced options available |
| Corrosion option | Stainless case optional |
| Marking | Size/lot marking optional |
| Inspection | Dimensional + visual checks |
| Traceability | Optional batch/lot traceability |
| Documentation | COC / material / inspection docs on request |
| Customization | Size, lip type, OD type, compound, spring |
| Typical positions | Input/output shafts, end covers, bearing housings |
| Supply mode | OEM + aftermarket replacement |
Please share: d × D × b, rpm, temperature range, lubricant type, and contamination level. We’ll recommend the best lip + material configuration.



