28BWK12 Auto Wheel Hub Bearing Unit

High Load Resilience: Angular contact ball arrangement absorbs heavy dynamic impacts from road irregularities.
Factory-Set Preload: Internal clearance is pre-set during manufacturing to eliminate wheel wobbling and play.
Contaminant Protection: Dual-lip rubber seals keep dirt and moisture away from precision rolling elements.
Quiet Operation: Optimized cage and ball design ensures whisper-quiet performance at highway speeds.

Technical Data

Technical Parameter	Details
Dimensions	Direct Aftermarket Specification Fit
Precision Standard	Automotive OEM Grade
Seal Type	Dual Rubber Seals (2RS)

Product Specifications

Specification	Details
Item Type	Automotive Wheel Hub Bearing Unit
Model Number	28BWK12
Bearing Design	Double Row Angular Contact Ball Bearing
Material	Vacuum-Degassed GCr15 Chrome Steel
Lubrication	Factory Pre-Greased (Maintenance-Free)

Product Introduction

The 28BWK12 is a popular aftermarket wheel hub bearing unit widely specified across various passenger vehicle models. Utilizing a robust double-row angular contact ball architecture, the 28BWK12 is engineered to balance radial vehicle weight with axial thrust forces during high-speed maneuvering. Crafted from vacuum-degassed chrome steel, this unit offers high resistance to surface wear and structural deformation. Pre-lubricated with premium long-life grease and sealed against environmental contaminants, it provides global auto parts distributors with a reliable, cost-effective replacement component.

Applications

Aftermarket replacement for passenger vehicle wheel hubs referencing 28BWK12.
General automotive chassis, suspension, and brake service.
Auto parts retail and wholesale distribution networks.

FAQ

Q: What does the "BWK" designation indicate?
A: "BWK" is a common industry coding prefix used for specialized wheel hub bearing units, indicating specific internal dimensions and sealing configurations.
Q: Do you support container-level wholesale orders?
A: Yes, we provide tier-based volume discounts and flexible sea-freight packaging options for B2B contract buyers.

OEM & Custom Service

B2B manufacturing capabilities include private-label packaging, customized laser markings on bearing rings, and specialized grease options for extreme climates.

Packing & Delivery

Individually poly-bagged with rust inhibitors, packed into sturdy retail boxes, and strapped onto heat-treated export pallets.