HB88508 W/T BRACKET Center Support Bearing For BENZ IVECO DAF

This HB88508 center support bearing (also known as a carrier bearing or hanger bearing) provides a direct-fit replacement for the driveshaft of select Mercedes-Benz, IVECO, and DAF commercial vehicles. It supports the driveshaft at the center point, reduces driveline vibration, and protects universal joints from premature wear. This bearing matches OE specification HB88508 and includes the mounting bracket for a complete installation.
Technical Specifications
| Specification | Value / Detail |
|---|---|
| DH Code | |
| Part Number | HB88508 |
| Bearing Type | Center Support Bearing |
| Bore (Inside Diameter) | 1.575″ / 40.00 mm |
| Outside Diameter | 3.150″ / 80.00 mm |
| Centerline Height | 2.479″ / 62.97 mm |
| Bolt Hole Center | 6.625″ / 168.28 mm |
| Bracket Included | Yes |
The bore of 1.575 inches (40.00 mm) is the critical fitment spec for this bearing—this determines whether the bearing seats properly on your driveshaft. The bolt hole center measurement of 6.625 inches (168.28 mm) determines whether the bracket aligns with your vehicle’s chassis mounting points.
Important: All information on this page is for reference only. Please verify OE numbers, dimensions, and vehicle fitment against your original part before ordering. Contact us for fitment confirmation.
DH Code & OE Number & Reference Numbers
DH Code:
OE Numbers:
HB88508
Reference Numbers (Interchange):
National: HB-88508
HB88509
HB88510
HB88511
HB88512
Vehicle Fitment
MERCEDES-BENZ: Selected models
IVECO: Selected models
DAF: Selected models
Fitment note: Please verify OE number, dimensions and vehicle configuration before ordering.
Product Features
- Direct OE replacement. This bearing matches OE specification HB88508 for select Mercedes-Benz, IVECO, and DAF commercial vehicles.
- Bracket included. The bearing comes with the mounting bracket for a complete installation.
- Precision-engineered fitment. Features a 40mm bore and 6.625″ bolt hole center for exact vehicle compatibility.
- Driveline support. Supports the driveshaft to ensure stability and reduce vibration during high-speed rotation.
- Universal joint protection. Helps protect the universal joint and extend its service life.
- Durable construction. Built with high-quality materials to withstand radial and axial loads for reliable performance.
Installation Notes
- Verify fitment. Confirm this bearing matches your original bearing specifications before installation.
- Check your vehicle configuration. This bearing is designed for select Mercedes-Benz, IVECO, and DAF commercial vehicles. Verify your specific model and drivetrain before ordering.
- Bracket included. The bearing comes with the mounting bracket—you won’t need to reuse your old bracket.
- Verify the bore. This bearing is designed for a 40mm (1.575″) bearing opening. If your vehicle has a different size, this part won’t fit.
- Check dimensions. Verify the outside diameter (80mm), centerline height (62.97mm), and bolt hole center (168.28mm) against your original bearing before installation.
- Professional installation recommended. Proper alignment during installation is critical to prevent premature wear and driveline vibration issues.
About DUHUI Bearing
Manufactured by DUHUI Bearing – an automotive bearing supplier established in Zhejiang, China, in 2003. DUHUI produces center support bearings, wheel hub bearings, and related components to OE specifications. Contact us
For fitment questions, compare your old part number against the OE numbers listed above.

