HB88508AB Center Support Bearing For CHEVROLET FORD GMC DODGE
This HB88508AB center support bearing (also known as a carrier bearing or hanger bearing) provides a direct-fit replacement for the driveshaft of select Chevrolet, Ford, GMC, and Dodge commercial vehicles. It supports the driveshaft at the center point, reduces driveline vibration, and protects universal joints from premature wear. This bearing matches OE specifications including HB88508AB, CN210866-1X, and related part numbers.
Technical Specifications
| Specification | Value / Detail |
|---|---|
| DH Code | |
| Part Number | HB88508AB |
| Bearing Type | Center Support Bearing |
| Bore (Inside Diameter) | 1.575″ / 40.00 mm |
| Outside Diameter | 3.150″ / 80.00 mm |
| Bolt Holes | 6.620″ / 168.15 mm |
| Centerline Height | 2.280″ / 57.91 mm |
| Supplementary Info | with two big flingers and one small flinger |
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 measurement of 6.620 inches (168.15 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:
HB88508AB, CN210866-1X, 210873-1X, 211735-1X, 211793-1X, 211260-1X, 211359X, 15512198, 3730827, 694987, E9TZ4800B
Reference Numbers (Interchange):
Spicer: 210873-1X, 211735-1X, 211793-1X
National: HB-88508AB
SKF: HB88508AB
Ford: E9TZ4800B
Vehicle Fitment
CHEVROLET: Selected models
FORD: 1350 / 1410 series
GMC: Selected models
DODGE: Selected models
Fitment note: This bearing fits vehicles with a 40mm bearing opening and is compatible with Ford 1350/1410 series applications. Please verify OE number, dimensions and vehicle configuration before ordering.
Product Features
- Direct OE replacement. This bearing matches OE specifications HB88508AB and related numbers for Chevrolet, Ford, GMC, and Dodge commercial vehicles.
- Heavy-duty construction. Engineered for commercial vehicle applications with robust materials to withstand heavy loads and demanding operating conditions.
- Precision-engineered fitment. Features a 40mm bore and 6.620″ bolt hole spacing for exact vehicle compatibility.
- Includes dust flingers. Comes with two big flingers and one small flinger for enhanced protection against contamination.
- 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.
Installation Notes
- Verify fitment. Confirm this bearing matches your original bearing specifications before installation.
- Check your vehicle configuration. This bearing is designed for select Chevrolet, Ford, GMC, and Dodge commercial vehicles. Verify your specific model and drivetrain before ordering.
- 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 mounting dimensions. Verify the bolt hole measurement (6.620″), centerline height (2.280″), and outside diameter (3.150″) 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.
