DAC458439/41 Asymmetrical Wheel Hub Bearing

Asymmetrical Geometry: The extended 41mm inner ring allows for perfect clamping force and proper internal clearance setting.
Double Row Stability: Effectively manages both the vertical weight of the vehicle and the lateral forces of steering.
Maintenance-Free: Factory-sealed and permanently lubricated with advanced anti-wear grease.
High Wear Resistance: Thoroughly heat-treated raceways withstand severe impacts from potholes and rough terrain.

Technical Data

Technical Parameter	Metric Value
Inner Bore Diameter (d)	45.00 mm
Outer Diameter (D)	84.00 mm
Outer Width (C)	39.00 mm
Inner Width (B)	41.00 mm

Product Specifications

Specification	Details
Item Type	Aftermarket Auto Wheel Hub Bearing
Model Number	DAC458439/41
Bearing Design	Double Row Angular Contact Ball Bearing
Material	Vacuum-Degassed GCr15 Chrome Steel
Width Configuration	Asymmetrical (Outer: 39mm / Inner: 41mm)

Product Introduction

The DAC458439/41 is a robust, asymmetrical double-row wheel hub bearing designed for precise aftermarket automotive chassis repairs. With dimensions of 45 x 84 x 39/41 mm, this bearing features a 41mm wide inner ring compared to its 39mm wide outer ring. This deliberate width offset is crucial for achieving the correct mechanical preload when securing the CV axle nut, ensuring the bearing operates without excess play. Manufactured from top-tier GCr15 steel, the DAC458439/41 guarantees a smooth, quiet ride and exceptional longevity, making it a high-volume SKU for global auto parts wholesalers.

Applications

Aftermarket replacement for front and rear passenger car wheel hubs.
SUV and light commercial vehicle axles.
General automotive suspension and steering repairs.

FAQ

Q: Why is this asymmetrical design necessary?
A: The wider inner ring prevents the outer housing from being crushed during installation, ensuring the internal rolling elements maintain their precisely engineered clearances.
Q: Do you offer bulk discounts for container shipments?
A: Yes, we provide competitive tier-based pricing for B2B contract distributors and large automotive networks.

OEM & Custom Service

We supply complete B2B aftermarket solutions including laser-etched part numbers, customized sealing systems, and personalized brand packaging.

Packing & Delivery

Bearings are heavily coated with industrial-grade rust inhibitors, sealed in VCI polymer barrier bags, and packed into reinforced custom-branded boxes.