HB210370 Center Support Bearing For CHEVROLET GMC
This HB210370 center support bearing (also known as a carrier bearing or bracket bearing) provides a direct-fit replacement for the driveshaft of select Chevrolet and GMC 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 HB210370 and 210370-1X.
Technical Specifications
| Specification | Value / Detail |
|---|---|
| DH Code | |
| Part Number | HB210370 |
| Bearing Type | Center Support Bearing |
| Make | D-Type |
| Inside Diameter | 1.377″ / 35.00 mm |
| Width | 0.660″ / 16.76 mm |
| Hole Centers | 6.661″ / 169.19 mm |
The inside diameter of 1.377 inches (35.00 mm) is the critical fitment spec for this bearing—this determines whether the bearing seats properly on your driveshaft. The hole center measurement of 6.661 inches (169.19 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:
HB210370, 210370-1X
Reference Numbers (Interchange):
Spicer: 210370-1X
Vehicle Fitment
CHEVROLET: Selected models
GMC: Selected models
Fitment note: This bearing fits select Chevrolet and GMC commercial vehicles with a 35mm bearing opening. Please verify OE number, dimensions and vehicle configuration before ordering.
Product Features
- Direct OE replacement. This bearing matches OE specifications HB210370 and 210370-1X for select Chevrolet and GMC commercial vehicles.
- Precision-engineered fitment. Features a 35mm inside diameter and 6.661″ hole centers for exact vehicle compatibility.
- D-Type design. Engineered for commercial vehicle applications requiring robust driveline support.
- 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 Chevrolet and GMC commercial vehicles. Verify your specific model and drivetrain before ordering.
- Verify the inside diameter. This bearing is designed for a 35mm (1.377″) bearing opening. If your vehicle has a different size, this part won’t fit.
- Check mounting dimensions. Verify the width (0.660″) and hole center measurement (6.661″) 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.
