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National JM205149 Manual Transmission Input Shaft Bearing - Front Inner or Front Outer
Overview of National JM205149 Manual Transmission Input Shaft Bearing
The National JM205149 is a precision-engineered manual transmission input shaft bearing designed for select Dodge trucks. This taper bearing cone is built to meet the specific dimensional requirements of Dodge D250, D350, W250, and W350 models, ensuring reliable performance and proper fitment.
- Cone Bore Diameter: 1.9690 inches (50.0130 mm)
- Cone Length: 1.1020 inches (27.9910 mm)
- Cone Radius: 0.1200 inches (3.0480 mm)
- Part Type: Taper bearing cone for manual transmission input shaft
- Compatible with Dodge D250, D350, W250, and W350 models
Technical Specifications and Features
The JM205149 bearing cone features a cone bore diameter of 1.9690 inches (50.0130 mm), which is critical for proper seating on the input shaft. Its cone length of 1.1020 inches (27.9910 mm) and cone radius of 0.1200 inches (3.0480 mm) are designed to match OEM specifications, providing accurate alignment and smooth rotation within the transmission assembly. This taper bearing cone is manufactured to maintain durability under the demanding conditions of manual transmission operation in Dodge trucks.
Application and Compatibility
This National manual transmission input shaft bearing is compatible with Dodge D250, D350, W250, and W350 models. It is specifically designed to replace worn or damaged input shaft bearings in these vehicles, helping to restore proper transmission function and reduce noise or vibration caused by bearing wear.
- Eliminates input shaft bearing noise and roughness
- Prevents premature transmission wear due to bearing failure
- Restores smooth gear engagement and shaft rotation
- Addresses issues related to bearing cone wear or damage
Installation Notes and Tips
When installing the National JM205149 bearing cone, ensure the transmission input shaft and surrounding components are clean and free of debris. Proper lubrication of the bearing surfaces is essential to prevent premature wear. Use appropriate tools to press the bearing cone onto the shaft without causing damage to the cone bore or radius. Verify fitment against OEM specifications before final assembly.
Quality Assurance and Warranty
National manufactures the JM205149 bearing cone to meet industry standards for durability and precision. While specific warranty details are not provided, National products typically adhere to strict quality control processes to ensure reliable performance in manual transmission applications for Dodge trucks.
| Brand | National |
|---|---|
| Part Number | JM205149 |
| Cone Bore (Inch) | 1.9690 |
| Cone Bore (MM) | 50.0130 |
| Cone Length (Inch) | 1.1020 |
| Cone Length (MM) | 27.9910 |
| Cone Radius (Inch) | 0.1200 |
| Cone Radius (MM) | 3.0480 |
| Part Description | Taper Bearing Cone |
This part fits 14 vehicles. Search below:
| Year | Make | Model | Transmission | Position | Notes |
|---|---|---|---|---|---|
| 1993 | Dodge | D250 | Manual | N/A | with Getrag G360 Transmission |
| 1993 | Dodge | D350 | Manual | N/A | with Getrag G360 Transmission |
| 1993 | Dodge | W250 | Manual | N/A | with Getrag G360 Transmission |
| 1993 | Dodge | W350 | Manual | N/A | with Getrag G360 Transmission |
| 1992 | Dodge | D250 | Manual | N/A | with Getrag G360 Transmission |
| 1992 | Dodge | D350 | Manual | N/A | with Getrag G360 Transmission |
| 1992 | Dodge | W250 | Manual | N/A | with Getrag G360 Transmission |
| 1992 | Dodge | W350 | Manual | N/A | with Getrag G360 Transmission |
| 1991 | Dodge | D250 | Manual | N/A | with Getrag G360 Transmission |
| 1991 | Dodge | D350 | Manual | N/A | with Getrag G360 Transmission |
| 1991 | Dodge | W250 | Manual | N/A | with Getrag G360 Transmission |
| 1990 | Dodge | D250 | Manual | N/A | with Getrag G360 Transmission |
| 1990 | Dodge | D350 | Manual | N/A | with Getrag G360 Transmission |
| 1990 | Dodge | W250 | Manual | N/A | with Getrag G360 Transmission |
* 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.