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National JLM710949 Wheel Bearing - Rear Inner
National JLM710949 Wheel Bearing Cone
National JLM710949 is a taper bearing cone for the rear inner wheel bearing position on select Ford E-350 Econoline and E-350 Econoline Club Wagon applications with dual rear wheels. Built with premium-grade steel and crowned raceways and rollers, it is engineered for even load distribution in demanding driveline service.
- Part number: JLM710949
- Taper bearing cone for wheel bearing service
- Premium-grade steel construction
- Crowned raceways and rollers for even load distribution
- Cone bore: 2.5591 in / 65.0010 mm
- Cone length: 0.9055 in / 23.0000 mm
- Cone radius: 0.1200 in / 3.0480 mm
- Rear inner fitment for dual rear wheel configurations
Fitment Details
Compatible with 1976 Ford E-350 Econoline, rear inner, 2nd design; with dual rear wheels; 2.55 in cone bore; 0.905 in cone length. Compatible with 1977-1980 Ford E-350 Econoline, rear inner, with dual rear wheels. Compatible with 1977-1980 Ford E-350 Econoline Club Wagon, rear inner, with dual rear wheels.
This part cross-references Carlson 17371 for the same application.
What It Helps Address
- Wheel bearing noise from worn taper bearing cones
- Excessive play at the rear inner wheel bearing
- Uneven load distribution across the bearing surface
- Service replacement needs on Ford E-350 Econoline rear axle assemblies
- Fitment-specific repair for dual rear wheel configurations
Installation Notes and Tips
Verify cone bore, cone length, and rear inner position before installation. This JLM710949 bearing cone is application-specific, so confirm the vehicle year, model, and dual rear wheel configuration against the fitment data before assembly. Inspect the matching bearing components and hub surfaces for wear or scoring during service.
Quality Assurance
National manufactures this taper bearing cone with premium-grade steel and crowned raceways and rollers to support consistent load distribution. The JLM710949 part number is listed with OE-style interchange references for service matching.
| Brand | National |
|---|---|
| Part Number | JLM710949 |
| Cone Bore (Inch) | 2.5591 |
| Cone Bore (MM) | 65.0010 |
| Cone Length (Inch) | 0.9055 |
| Cone Length (MM) | 23.0000 |
| Cone Radius (Inch) | 0.1200 |
| Cone Radius (MM) | 3.0480 |
| Part Description | Taper bearing cone |
This part fits 9 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1980 | Ford | E-350 Econoline | Rear Inner | With Dual Rear Wheels |
| 1980 | Ford | E-350 Econoline Club Wagon | Rear Inner | With Dual Rear Wheels |
| 1979 | Ford | E-350 Econoline | Rear Inner | With Dual Rear Wheels |
| 1979 | Ford | E-350 Econoline Club Wagon | Rear Inner | With Dual Rear Wheels |
| 1978 | Ford | E-350 Econoline | Rear Inner | With Dual Rear Wheels |
| 1978 | Ford | E-350 Econoline Club Wagon | Rear Inner | With Dual Rear Wheels |
| 1977 | Ford | E-350 Econoline | Rear Inner | With Dual Rear Wheels |
| 1977 | Ford | E-350 Econoline Club Wagon | Rear Inner | With Dual Rear Wheels |
| 1976 | Ford | E-350 Econoline | Rear Inner | 2nd Design; With Dual Rear Wheels; 2.55 (in) Cone Bore; 0.905 (in) Cone Length |
* 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.