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National HB-31 Drive Shaft Center Support
| Brand | National HB-31 |
|---|---|
| Bore (Inch) | 1.1811 |
| Bore (mm) | 30.0000 |
| Outside Diameter (Inch) | 4.3415 |
| Outside Diameter (mm) | 110.2740 |
| Part Description | Drive Shaft Center Support |
| Type | 4 |
| Width (Inch) | 2.3125 |
| Width (mm) | 58.7380 |
| Fits | Toyota · 10 vehicles |
OE-quality bearing. Built to exacting standards for lasting performance and extended bearing life.
Drive shaft center support. Supports the drive shaft with a precise, purpose-built design.
Cross-references SKF HB2380-40, Timken HB31 and 37230-35130 for the same application. See all 3.
Drive Shaft Center Support for Tacoma
National HB-31 is a drive shaft center support built for 1995-2004 Toyota Tacoma applications. It is designed to meet or exceed OE quality standards and uses premium bearing construction for consistent driveline support and extended bearing life.
Key Features
- Drive shaft center support for Toyota Tacoma driveline service
- Type 4 bearing design
- 1.1811 in. bore diameter (30.0000 mm)
- 4.3415 in. outside diameter (110.2740 mm)
- 2.3125 in. width (58.7380 mm)
- National HB-31 part number for direct catalog lookup
Detailed Description
This National HB-31 drive shaft center support is engineered for 1995-2004 Toyota Tacoma models and is listed with fitment for the Tacoma driveline center support position. The bearing dimensions are 1.1811 inches bore, 4.3415 inches outside diameter, and 2.3125 inches width, making it important to verify dimensional match during service. National builds this component to OE-quality standards using premium bearing materials for dependable operation in driveline applications. This part cross-references Timken HB31 and SKF HB2380-40 for the same application.
What It Helps Fix
- Driveline vibration from a worn center support bearing
- Noise from a damaged or dry drive shaft support
- Excessive driveline movement under load
- Support issues in a Toyota Tacoma drive shaft assembly
- Wear-related driveline harshness during acceleration or cruising
Installation Notes and Tips
Confirm the bore, outside diameter, and width before installation to match the original support. Inspect the drive shaft, mounting surfaces, and surrounding driveline components for wear or damage before replacing the center support. For 1995-2004 Toyota Tacoma service, verify the application details against the vehicle’s driveline configuration and the existing support assembly.
Quality Assurance
National states that this bearing is manufactured to meet or exceed OE quality standards and is built with premium-quality materials for lasting performance and extended bearing life.
| Year | Make | Model | Drive Type | Position | Notes |
|---|---|---|---|---|---|
| 2004 | Toyota | Tacoma | RWD | N/A | Includes Bearing and Support |
| 2003 | Toyota | Tacoma | RWD | N/A | Includes Bearing and Support |
| 2002 | Toyota | Tacoma | RWD | N/A | Includes Bearing and Support |
| 2001 | Toyota | Tacoma | RWD | N/A | Includes Bearing and Support |
| 2000 | Toyota | Tacoma | RWD | N/A | Includes Bearing and Support |
| 1999 | Toyota | Tacoma | RWD | N/A | Includes Bearing and Support |
| 1998 | Toyota | Tacoma | RWD | N/A | Includes Bearing and Support |
| 1997 | Toyota | Tacoma | RWD | N/A | Includes Bearing and Support |
| 1996 | Toyota | Tacoma | RWD | N/A | Includes Bearing and Support |
| 1995 | Toyota | Tacoma | RWD | N/A | Includes Bearing and Support |
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