DAC407539 Heavy-Duty Wheel Hub Bearing 40x75x39mm

Heavy-Duty Cross Section: The 40x75x39mm geometry offers a highly stable contact angle, reducing vibration and enhancing driving dynamics on heavier vehicles.
Hand-Assembled Precision: By relying entirely on skilled human assembly, DBS Bearing ensures perfect seal engagement and zero internal binding prior to shipment—a level of care that automated lines simply cannot match.
Low Friction Rotation: Finely ground and polished raceways drastically reduce drag, contributing to improved vehicle fuel efficiency.
Superior Contaminant Defense: High-performance dual-lip rubber seals securely lock in the factory-applied grease while aggressively keeping out destructive road debris and water.

Technical Data

Technical Parameter	Metric Value
Inner Bore Diameter (d)	40.00 mm
Outer Diameter (D)	75.00 mm
Total Width (B)	39.00 mm
Bearing Structure	Angular Contact Double Row Ball

Product Specifications

Specification	Details
Item Type	Double Row Wheel Hub Bearing
Model Number	DAC407539
Material	Premium GCr15 Chrome Steel
Dimensions (Metric)	40.00 mm x 75.00 mm x 39.00 mm
Sealing Type	Double Contact Rubber Seals

Product Introduction

The DAC407539 is a high-strength double-row angular contact wheel hub bearing designed with a 40 mm bore, a 75 mm outer diameter, and an expanded 39 mm width. This dimension bridges the gap between standard passenger cars and lighter SUVs, making it a critical inventory item for comprehensive suspension repairs. Forged from high-grade GCr15 steel, the DAC407539 provides essential structural rigidity for vehicle axles. It is a highly sought-after replacement part for B2B importers focused on exact fitment and heavy-duty aftermarket reliability.

Applications

Front and rear axle wheel hub assemblies for specific mid-to-large passenger cars and crossovers.
Automotive chassis and steering knuckle collision repairs.
Independent auto shop aftermarket replacement stock.

FAQ

Q: Can we order this bearing packaged in our own branded retail boxes?
A: Absolutely. We specialize in B2B private-label services. Simply provide your custom box artwork, and we will package the DAC407539 seamlessly under your brand.
Q: How do you protect the bearings during long ocean transit to our country?
A: Bearings are coated in rust-inhibiting oils, tightly vacuum-sealed in thick plastic, boxed individually, and secured inside fumigated wooden pallets to resist maritime humidity.

OEM & Custom Service

Comprehensive B2B OEM support, including private label printing, custom outer ring laser etching, and tailored export pallet preparation.

Packing & Delivery

Protected with anti-rust oil, hermetically sealed in polybags, packed in custom individual cartons, and consolidated onto fumigated wooden pallets.