Product Specifications
| Parameter |
Details |
| Model NO. |
21317E |
| Width |
41mm |
| Specification |
21317E |
| Precision Class |
P0-P4 |
Application Industries
| Industry |
Typical Equipment |
| Automotive |
Truck wheel hubs |
| Industrial Machinery |
Heavy-duty transmission systems |
| Agricultural Machinery |
Tractor axles, Harvester drivetrains |
| Engineering Equipment |
Excavator wheel assemblies |
Prevent Truck Downtime with 21317E Spherical Roller Bearings for Wheel Hubs
Truck operators know the frustration of unexpected wheel hub failures—costing thousands in repair bills and lost revenue from idle vehicles. Many face the dilemma of choosing between overpriced genuine parts with long lead times or cheap alternatives that fail prematurely under heavy loads. For fleet managers and maintenance teams, finding a reliable source of high-precision bearings that balance quality and availability is a constant challenge.
High Precision 21317E Bearings Engineered for Truck Wheel Hubs
Our 21317E spherical roller bearings address these pain points directly. As a professional bearing manufacturer with over 18 years of export experience, we produce these truck wheel hub bearings to P0-P4 precision grades, ensuring they meet the strict demands of heavy-duty commercial vehicles. Designed for reliable performance under radial and axial loads, these bearings fit seamlessly into standard truck wheel hub assemblies, reducing the risk of premature failure and unplanned downtime.
Optimal Performance in Heavy-Duty Truck Applications
The 21317E spherical roller bearings excel in the harsh operating conditions of truck wheel hubs. They accommodate misalignment between the axle and wheel, a common issue in long-haul transportation that can cause uneven wear and early bearing failure. With a width of 41mm, these bearings provide stable support for heavy loads, maintaining performance even during extended periods of high-speed driving and frequent stop-start cycles—critical for both on-highway and off-road truck operations.
Technical Features That Ensure Long Service Life
Precision grade is a key factor in wheel hub bearing performance. Our P0-P4 grade 21317E bearings offer tight dimensional tolerances, reducing vibration and noise while minimizing heat generation during operation. This precision directly translates to longer bearing life and improved fuel efficiency for trucks. The spherical roller design allows for self-alignment, compensating for minor shaft deflections and mounting errors that often occur in truck suspensions, ensuring consistent performance and reducing maintenance needs.
Why Choosing Quality Bearings Cuts Total Costs
Opting for low-quality 21317E bearings may seem cost-effective initially, but the hidden costs add up quickly. A failed wheel hub bearing can cause wheel seizing, leading to roadside breakdowns, expensive tow services, and lost delivery schedules. In contrast, our high-precision spherical roller bearings, made from premium chrome steel and manufactured under ISO 9001:2015 quality standards, deliver reliable performance that minimizes replacement frequency and associated downtime. Over the lifetime of a truck fleet, investing in quality bearings reduces overall maintenance costs by up to 30%.
Our Commitment to Reliability and Service
With a professional technical R&D team and experienced QC staff, we ensure every 21317E bearing undergoes strict dimensional detection and performance testing before shipment. Our one-stop service covers production, quality control, and global sales, supported by ISO 14001 environmental management certification. We offer flexible order policies, including 1 piece MOQ for standard bearings, 3-5 working days for sample delivery, and 12-month warranty on all products. Our technical team provides free guidance on installation and maintenance, helping you maximize bearing life and operational efficiency.
Packaging & Shipping
- Protective industrial packaging to prevent damage during transit
- Sample orders shipped within 3-5 working days
- Bulk orders delivered in 5-15 working days
- Multiple logistics options including DHL, FedEx, and sea freight
- 1 piece MOQ available for emergency replacement needs
Secure Your Truck Fleet's Performance Today
Don’t let bearing failures disrupt your operations. Whether you need a single replacement bearing or bulk orders for your fleet, our 21317E spherical roller bearings are ready to ship. Send us your requirements now to get a competitive quote and ensure your trucks stay on the road with reliable, high-precision wheel hub bearings.
Frequently Asked Questions
Q: Are these 21317E bearings genuine and traceable?
A: Yes, all our bearings are manufactured in our own facility and come with complete production records, ensuring full traceability from raw materials to finished product.
Q: How do I confirm if the 21317E is the correct bearing for my truck model?
A: Provide your truck's make, model, and axle specifications, and our technical team will verify compatibility with your wheel hub assembly.
Q: What is the warranty policy for these spherical roller bearings?
A: We offer a 12-month warranty from the date of delivery, covering manufacturing defects with free replacement or refund.
Q: What is the minimum order quantity for 21317E bearings?
A: Standard bearings have a 1 piece MOQ, allowing for emergency repairs and small-batch purchases.
Q: How quickly can I receive my order of 21317E bearings?
A: Sample orders ship within 3-5 working days, while bulk orders are delivered in 5-15 working days depending on quantity.
Q: What quality standards do these P0-P4 grade bearings meet?
A: All bearings comply with ISO, ABMA, and DIN international industrial standards, with strict quality control throughout production.
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