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National 204-SS Clutch Pilot Bearing - Outer
Overview of National 204-SS Clutch Pilot Bearing
The National 204-SS clutch pilot bearing is engineered for reliable performance in Oldsmobile 98 transmissions. Designed as a single row radial ball bearing, it ensures smooth operation and precise alignment of the clutch assembly.
- Single row radial design for consistent load handling
- Inner race bore diameter of 0.787 inches (20 mm)
- Outer diameter measures 1.850 inches (47 mm)
- Width of 0.551 inches (14 mm) for compact fitment
- Compatible with Oldsmobile 98 models requiring a 204-SS bearing
Technical Specifications and Design Details
This clutch pilot bearing features a 200 series ball bearing design with an A-3 type classification. The inner race has a precise bore of 0.787 inches (20 mm) and a width of 0.551 inches (14 mm), with a radius of 0.040 inches (1.02 mm) to accommodate shaft alignment. The outer race diameter is 1.850 inches (47 mm) with matching width and radius dimensions, ensuring a secure fit within the transmission housing. The single row radial design supports radial loads typically encountered in clutch pilot applications.
Application and Compatibility
The National 204-SS clutch pilot bearing is specifically compatible with Oldsmobile 98 vehicles. It is designed to maintain proper alignment between the transmission input shaft and the engine crankshaft, reducing wear and vibration during clutch engagement.
- Prevents premature wear of transmission input shaft
- Reduces clutch chatter and vibration
- Ensures smooth clutch engagement and disengagement
- Maintains alignment for extended transmission component life
Installation Notes and Tips
When installing the National 204-SS clutch pilot bearing, ensure the bore and outer diameter dimensions match the vehicle specifications. Proper seating of the bearing within the transmission housing is critical to avoid misalignment. Use appropriate tools to press the bearing in place without damaging the races or seals. Verify that the bearing rotates smoothly before reassembling the clutch components.
Quality Assurance and Warranty
National clutch pilot bearings are manufactured to meet industry standards for durability and precision. While specific warranty details are not provided, National products typically undergo rigorous quality control to ensure reliable performance in automotive transmission applications.
| Brand | National |
| Part Number | 204-SS |
| Bore (Inch) | 0.787 |
| Bore (mm) | 20.000 |
| Design | Single row radial |
| Inner Race Bore (Inch) | 0.787 |
| Inner Race Bore (MM) | 20.000 |
| Inner Race Radius (Inch) | 0.040 |
| Inner Race Radius (MM) | 1.020 |
| Inner Race Width (Inch) | 0.551 |
| Inner Race Width (MM) | 14.000 |
| Outer Race Outside Diameter (Inch) | 1.850 |
| Outer Race Outside Diameter (MM) | 47.000 |
| Outer Race Radius (Inch) | 0.040 |
| Outer Race Radius (MM) | 1.020 |
| Outer Race Width (Inch) | 0.551 |
| Outer Race Width (MM) | 14.000 |
| Outside Diameter (Inch) | 1.850 |
| Outside Diameter (mm) | 47.000 |
| Part Description | Ball bearing |
| Series | 200 |
| Type | A-3 |
| Width (Inch) | 0.551 |
| Width (mm) | 14.000 |
This part fits 1 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1952 | Oldsmobile | 98 | Outer |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.