Automobile Hub Bearings Dac49840048 49840050 49880046 OEM

Looking for Reliable Automobile Hub Bearings Dac49840048, 49840050, 49880046? Here’s What Matters

Automobile hub bearing failures can lead to costly downtime and safety risks—common issues like premature wear from poor material quality or difficulty finding exact replacements across different brands. As a bearing supplier with years of experience serving automotive repair and manufacturing sectors, we understand the frustration of mismatched dimensions or unreliable performance in critical wheel-end applications.

Built for Automotive Wheel-End Reliability

Our Automobile Hub Bearings (Dac49840048, 49840050, 49880046) address these challenges through ISO 9001-certified production processes and compatibility with international dimensional standards. Designed for passenger cars and light commercial vehicles, these hub bearings support radial and axial loads while maintaining precise wheel alignment—critical for stable handling and reduced tire wear. With our extensive inventory, we eliminate the need for multi-supplier sourcing, ensuring you get the exact OEM-spec bearing when you need it.

Where This Bearing Performs Best

These hub bearings excel in automotive front and rear wheel assemblies, operating under variable conditions including high rotational speeds (up to typical highway velocities) and temperature ranges from -40°C to 120°C. They accommodate minor misalignment from suspension movement while withstanding dynamic loads from acceleration, braking, and cornering. Proper specification—matching bore diameter, outer diameter, and width to the original hub assembly—is essential to prevent installation issues and ensure optimal bearing life.

Engineering Details That Matter

Key specifications directly impact performance: The inner bore diameter (d) and outer diameter (D) must match the hub and knuckle precisely to avoid radial play, which causes vibration and noise. The bearing width (B) affects axial load capacity and proper seating in the hub housing. Constructed from high-carbon chromium steel, these bearings undergo heat treatment to achieve surface hardness of HRC 58-62, enhancing wear resistance and fatigue life. The double-row angular contact design provides balanced load distribution, critical for wheel-end stability under combined radial and thrust loads.

Why Bearing Selection Affects Total Cost

Choosing the right hub bearing reduces long-term costs far beyond the initial purchase price. A mismatched or low-quality bearing may fail prematurely, leading to wheel seizing, brake damage, or even vehicle immobilization—resulting in expensive repairs and downtime. Conversely, properly specified bearings meeting OEM tolerances extend service intervals, reduce maintenance labor, and minimize the risk of secondary component damage. Following ISO 281 fatigue life standards, our bearings are engineered to deliver reliable performance over hundreds of thousands of kilometers, lowering the total cost of ownership.

Quality You Can Rely On

Packaging & Shipping

• Neutral packaging in cardboard boxes with anti-rust coating to prevent corrosion during storage and transit
• Available from stock for immediate dispatch on confirmed orders
• Flexible shipping options including express courier (DHL, FedEx), air freight, or sea freight based on urgency and quantity
• Low minimum order quantity to support small-batch repairs and large-scale production needs

Request a Quote for Your Hub Bearing Needs

To get started, provide the specific model (Dac49840048, 49840050, 49880046 or other), required quantity, and destination. Our team will confirm stock availability and deliver a competitive quote within 24 hours. For custom OEM requirements, share your technical drawings or sample, and we’ll assist with engineering validation to ensure compatibility.

Frequently Asked Questions