Welcome to Linqing Xinshengdi Bearing Co., Ltd.
DAC40740040 Auto Wheel Hub Bearing
- Symmetrical Dimensions: The perfectly square 40x74x40mm profile ensures straightforward press-fit installation into standard hub assemblies.
- Pre-Lubricated for Life: Factory-filled with premium heavy-duty grease, requiring no maintenance after installation.
- Advanced Sealing: High-quality heavy-duty rubber seals prevent the ingress of water, dirt, and corrosive road salts.
- Optimized Internal Clearance: Pre-set at the factory to guarantee correct preload and prevent premature wheel wobble.
Technical Data
| Technical Parameter | Metric Value |
| Inner Bore Diameter (d) | 40.00 mm |
| Outer Diameter (D) | 74.00 mm |
| Total Width (T) | 40.00 mm |
| Precision Standard | Automotive OEM Grade |
Product Specifications
| Specification | Details |
| Item Type | Auto Wheel Hub Bearing |
| Model Number | DAC40740040 |
| Bearing Design | Double Row Angular Contact Ball Bearing |
| Material | Premium GCr15 Chrome Steel |
| Sealing Type | Double Rubber Sealed (2RS) |
Product Introduction
The DAC40740040 is a premium double-row angular contact wheel hub bearing engineered for optimal automotive performance. Measuring precisely 40 x 74 x 40 mm, this standard DAC series bearing is highly versatile and designed to withstand the heavy combined radial and axial loads generated during daily driving. Manufactured from high-grade GCr15 bearing steel and pre-lubricated with high-temperature synthetic grease, it provides long-lasting, maintenance-free operation. It is an essential, high-turnover replacement component for global B2B automotive aftermarket distributors.
Applications
Passenger car front and rear wheel hubs requiring 40x74x40mm bearings.
Light commercial vehicle axles.
Aftermarket automotive chassis and suspension repairs.
FAQ
Q: Does this bearing come with an ABS magnetic ring?
A: The standard DAC40740040 does not typically feature an ABS ring unless specified with an "ABS" suffix. Always verify your vehicle's specific requirement.
Q: Are these suitable for high-speed driving?
A: Yes, they are precision-ground and balanced to ensure minimal vibration and heat generation at highway speeds.
OEM & Custom Service
B2B services include customized laser engraving of brand names on the outer ring, specific sealing lip designs, and private-label box packaging for wholesale brands.
Packing & Delivery
Bearings are individually wrapped in anti-rust VCI film, packed in sturdy individual brand boxes, and consolidated into heavy-duty export cartons stacked on wooden pallets.
