21317E Truck Wheel Hub Bearings High Precision Angular Contact Tapered Roller Bearings

Product Specifications

Application Industries

Reduce Truck Downtime with 21317E Truck Wheel Hub Bearings

Truck operators know the frustration of unexpected wheel hub bearing failures—costing thousands in repair bills and lost revenue from delayed deliveries. Many face challenges with unreliable suppliers offering inconsistent quality or minimum order quantities that forceoverstocking. Choosing the wrong bearing can lead to premature wear, increased fuel consumption, and even safety risks on the road.

High Precision Angular Contact Tapered Roller Bearings for Heavy-Duty Performance

Our 21317E wheel hub bearings are engineered to solve these issues. As a professional bearing manufacturer with over 15 years of export experience, we produce these tapered roller bearings to P0-P4 precision grades and Z2-Z4 noise grades, ensuring they meet the rigorous demands of truck applications. The 21317E design handles both radial and axial loads efficiently, making it ideal for heavy-duty truck wheel hubs where stability and durability are critical.

Optimized for Trucking and Heavy Machinery Operating Conditions

21317E truck wheel hub bearings excel in high-load, high-temperature environments typical of long-haul trucking and construction machinery. The angular contact design provides superior axial load capacity, essential for maintaining wheel alignment and reducing tire wear during heavy braking and cornering. Whether navigating mountainous terrain or carrying maximum payloads, these bearings deliver consistent performance under the stress of continuous operation.

Technical Features That Ensure Reliability

The 41mm width of the 21317E bearing provides a stable platform for load distribution, reducing stress concentrations and extending service life. As a tapered roller bearing, it features a cone and cup assembly that allows for precise adjustment of internal clearance, critical for optimizing performance in different operating conditions. Our manufacturing process uses high-grade chrome steel and strict quality control measures, including dimensional detection and noise testing, to ensure each bearing meets international standards (ISO, ABMA, DIN).

Why Authentic Bearings Matter for Your Bottom Line

Using genuine 21317E tapered roller bearings helps avoid the hidden costs of counterfeit products. Inferior bearings often fail prematurely, leading to roadside breakdowns, emergency repairs, and missed delivery deadlines. Our bearings, backed by ISO 9001:2015 and ISO 14001 certifications, undergo full-process production supervision and in-house laboratory testing to guarantee stable performance. The long service life of authentic bearings reduces maintenance frequency and total ownership costs over time.

Your Trusted Partner for Bearings Since 2005

Packaging & Shipping

• Protective packaging to ensure product integrity during transportation
• Efficient delivery: 3-5 working days for sample orders, 5-15 working days for bulk orders
• Multiple logistics options available to meet your delivery requirements
• Real-time shipping information provided once order is dispatched
• Flexible order quantities: 1 piece MOQ for standard bearings, customized order quantity negotiable

Get Your 21317E Truck Wheel Hub Bearings Today

Don’t let bearing issues disrupt your operations. Send us your requirements, including quantity and application details, and our team will provide a prompt quote. With our efficient production and shipping, you can minimize downtime and keep your trucks on the road. Early ordering ensures you have the parts you need when maintenance is scheduled, avoiding last-minute delays.

Frequently Asked Questions