HB4016A Center Support Bearing For CHEVROLET GMC
This HB4016A center support bearing (also known as a carrier bearing or hanger bearing) provides a direct-fit replacement for the driveshaft of select Chevrolet and GMC trucks and SUVs. It supports the driveshaft at the center point, reduces driveline vibration, and protects universal joints from premature wear. This bearing matches OE specifications including GM part numbers 12472456 and 88934865.
Technical Specifications
| Specification | Value / Detail |
|---|---|
| DH Code | |
| Part Number | HB4016A |
| Bearing Type | Center Support Bearing |
| Inside Diameter | 1.574″ / 40.00 mm |
| Outside Diameter | 7.756″ / 197.00 mm |
| Width | 1.850″ / 46.99 mm |
| Bolt Hole Center | 6.622″ / 168.20 mm |
| Centerline Height | 2.244″ / 57.00 mm |
The inside diameter of 1.574 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 6.622 inches (168.20 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:
HB4016A, N212028-1X, C212028-1, HB88540, 12472456, 88934865
Reference Numbers (Interchange):
Timken: HB4016A
Spicer: 212028-1X
National: HB-88540
SKF: HB88540
NAPA: HB88540
Neapco: N212028-1X
BCA: NBHB88540
GM: 12472456, 88934865
Vehicle Fitment
CHEVROLET: Avalanche (2002–2007), Silverado 1500/2500/3500 (1999–2007), Suburban (1999–2007), Tahoe (1999–2007), Express (1996–2012)
GMC: Sierra 1500/2500/3500 (1999–2007), Yukon (1999–2007), Savana (1996–2012)
Fitment note: This bearing fits Chevrolet and GMC full-size trucks and vans equipped with a 2-piece driveshaft and U-shaped bracket with studs. Please verify OE number, dimensions and vehicle configuration before ordering.
Product Features
- Direct OE replacement. This bearing matches GM OE specifications 12472456 and 88934865 for a wide range of Chevrolet and GMC trucks and vans.
- Precision-engineered fitment. Features a 40mm inside diameter and 6.622″ bolt hole center for exact vehicle compatibility.
- Heavy-duty construction. Built with reinforced heavy-gauge cold-rolled steel to withstand heavy loads and demanding operating conditions.
- Rubber bushing construction. The rubber bushing absorbs and isolates driveline vibrations, protecting universal joints and other driveline components from excess stress.
- 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 vehicles with a 2-piece driveshaft and U-shaped bracket with studs. Verify your specific model, year, and drivetrain before ordering.
- Verify the inside diameter. This bearing is designed for a 40mm (1.574″) bearing opening. If your vehicle has a different size, this part won’t fit.
- Check mounting dimensions. Verify the bolt hole center (6.622″), centerline height (2.244″), and width (1.850″) 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.
