51100 51200 51101 Thrust Ball Bearing for Crane Hook

Product Specifications

Application Suitability

Struggling with Wheel Hub Bearing Reliability? The Right Specifications Make All the Difference

Many automotive maintenance teams face avoidable downtime due to hub bearing failures—often caused by imprecise tolerances or mismatched clearances. Sourcing the correct replacement can be equally frustrating when dealing with multiple brands and complex part numbering systems. As a supplier handling thousands of bearing inquiries annually, we understand the critical need for accurate specifications and reliable performance in wheel end applications.

Engineered for Consistent Performance in Automotive Wheel Applications

Our wheel hub bearings address these challenges with ISO 9001-certified manufacturing processes and strict adherence to dimensional standards. The DAC40800030.2, DAC40800031, and DAC40800036/34 models feature P5 tolerance class and C3 clearance, ensuring proper fit and load distribution in automotive wheel assemblies. With both grease and oil lubrication options, these bearings adapt to various maintenance protocols, supported by our extensive inventory of both proprietary and international brand bearings for one-stop sourcing.

Optimal Performance in Automotive Wheel End Environments

These wheel hub bearings excel in the radial and axial load conditions typical of passenger car and light truck wheel assemblies. Operating within standard automotive temperature ranges, the stainless steel construction provides enhanced corrosion resistance compared to conventional materials, making them suitable for vehicles operating in diverse climates. Proper clearance (C3) accommodates thermal expansion during extended use, reducing the risk of premature failure from excessive internal stress.

Key Engineering Features That Impact Service Life

The precision rating (P5) ensures minimal runout, critical for reducing vibration and noise in wheel applications—directly translating to smoother vehicle operation and longer bearing life. Stainless steel material offers superior resistance to rust and wear, particularly in regions with road salt exposure or high humidity. The option for grease or oil lubrication allows flexibility: grease for sealed applications requiring maintenance intervals, and oil for systems with continuous lubrication circulation. Each bearing undergoes dimensional and hardness testing per ISO standards, verifying that load-carrying capacity meets automotive industry requirements.

Why Proper Hub Bearing Selection Lowers Total Vehicle Maintenance Costs

Choosing a bearing with incorrect tolerance or clearance can lead to accelerated wear, requiring premature replacement and increasing labor costs. A P5 precision bearing reduces uneven load distribution, while C3 clearance prevents binding during temperature fluctuations—both factors that extend service intervals. In contrast, low-quality bearings often fail within months, causing wheel wobble, brake drag, or even wheel separation in extreme cases. By investing in bearings that meet strict manufacturing standards, fleets and repair shops reduce long-term maintenance expenses and improve vehicle safety.

Quality Assurance You Can Verify

Packaging & Shipping

• Standard packaging includes cartons with internal dividers to prevent damage; palletized options available for bulk orders
• Stock items ship within 1-3 business days from our warehouse
• Flexible shipping via express courier (DHL, FedEx), air freight, or sea freight based on order size and urgency
• Low minimum order quantity supported, ideal for both small repair shops and large fleet operators

Get a Custom Quote for Your Wheel Hub Bearing Requirements

Whether you need the DAC40800030.2, DAC40800031, DAC40800036/34 models or equivalent specifications from other brands, provide your required quantity and destination for a detailed quote. Our technical team can also assist with cross-referencing part numbers to ensure compatibility with your application. The sooner we confirm your requirements, the sooner we can arrange shipment.

Frequently Asked Questions