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Timken 254270 Steering Gear Worm Shaft Seal
| Brand | Timken 254270 |
|---|---|
| Material | S-nitrile |
| Outside Diameter | 1.130 |
| Outside Diameter | 28.70 |
| Housing Bore | 1.124 |
| Housing Bore | 28.55 |
| Seal Type | 25 |
| Shaft Diameter | 0.750 |
| Shaft Diameter | 19.05 |
| Width | 0.189 |
| Width | 4.80 |
| Fits | — |
Precision sealing design. Helps prevent lubricant escape and keeps contaminants out.
Reinforced outer case. Helps resist installation damage and adds durability.
S-Nitrile material. Provides a resilient sealing surface for dependable performance.
Cross-references SKF 7414 and Timken 254270 for the same application. See all 2.
Timken Steering Gear Worm Shaft Seal 254270
Timken 254270 is a steering gear worm shaft seal built for precise lubricant control in steering systems. It uses an S-Nitrile sealing material, a reinforced outer case, and a ribbed inner diameter to help seat securely on the shaft and maintain a dependable seal.
Compatible With steering gear service on select vehicle applications, this seal is designed to keep grease and oil where they belong while helping block dirt and debris from entering the assembly. It is a practical choice for steering gear repair on applications such as Ford F-150 and Chevrolet Silverado steering components when the listed dimensions match.
Key Features
- Timken part number 254270
- S-Nitrile construction for sealing performance in steering gear applications
- Outside diameter: 1.130 in. / 28.70 mm
- Housing bore: 1.124 in. / 28.55 mm
- Shaft diameter: 0.750 in. / 19.05 mm
- Width: 0.189 in. / 4.80 mm
- Reinforced outer case helps resist installation damage
- Ribbed rubber inner diameter supports sealing on minor spindle imperfections
- Internal contamination exclusion system helps block debris entry
- Vent holes promote lubricant flow around the seal lip to reduce heat buildup
Detailed Description
This steering gear worm shaft seal is engineered around the listed dimensions to support a tight, stable fit in the housing and on the shaft. The reinforced outer case adds durability during installation, while the ribbed inner diameter helps maintain contact even when the spindle surface is not perfectly uniform. Timken 254270 is suited for steering gear rebuilds where lubricant retention and contamination control are critical to long-term performance.
This part cross-references SKF 7414 for the same application. For fitment-based searches, use Timken 254270 when looking for a steering gear worm shaft seal for Ford F-150 or Chevrolet Silverado steering repair, and verify all measurements before installation.
What It Helps Solve
- Steering gear lubricant leakage at the worm shaft
- Contamination entering the steering assembly
- Seal wear caused by heat buildup
- Poor sealing on minor shaft or spindle imperfections
- Damage during seal installation
Installation Notes and Tips
Confirm shaft diameter, housing bore, and seal width before installation. Clean the bore and shaft thoroughly, inspect for scoring or wear, and seat the seal evenly to avoid distortion. Use proper installation tools to protect the outer case and sealing lip. For vehicle-specific service, match the seal dimensions to the steering gear used on the application.
Quality Assurance
Timken steering seals are built with precision sealing design and contamination control features to support reliable steering gear service. Part number 254270 is manufactured to the dimensional specifications listed above for accurate replacement selection.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
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