Product Specifications
| Parameter |
Details |
| Model NO. |
6211 6311 6411 |
| Service |
OEM ODM |
| Lubrication |
Grease or Oil |
| Certification |
ISO9001:2008 |
| Place of Dispatch |
China |
| Specification |
55*100*21mm |
| Trademark |
BDL |
| Origin |
China |
| HS Code |
8482102000 |
| Production Capacity |
1000000 |
Application Industries
| Industry |
Typical Equipment |
| Automotive |
Car wheel hubs, transmissions, engine components |
| Industrial Machinery |
Machine tools, printing equipment, reducers |
| New Energy |
Wind power generators, photovoltaic equipment |
| Home Appliances |
Electric motors, pumps, compressors |
Eliminate Downtime with Long-Life Auto Deep Groove Ball Bearing 6211 6311 6411
Automotive bearing failures lead to unexpected repair costs and production delays. Many buyers struggle with inconsistent quality from low-cost suppliers or face high minimum order quantities when sourcing critical replacements. Choosing the wrong bearing can cut service life by 40% or more, increasing maintenance cycles and operational expenses.
Reliable Car Ball Bearing 6211 6311 6411 for Consistent Performance
Our Auto Deep Groove Ball Bearing series addresses these challenges with precision-engineered components designed for automotive applications. As an integrated manufacturer with ISO9001 certification, we ensure each bearing meets P0-P4 precision standards and Z2-Z4 noise grades. With 1pc MOQ for standard items and 3-5 day sample lead time, we support both emergency repairs and bulk production needs.
Optimal Performance in Automotive Operating Conditions
These 55x100x21mm ball bearings excel in high-speed rotational environments typical of automotive wheel hubs and transmissions. They handle radial and axial loads efficiently while maintaining low noise levels—critical for passenger comfort and vehicle performance. The grease or oil lubrication options allow adaptation to varying temperature ranges and operating speeds, ensuring reliability in both standard and custom applications.
Technical Details That Define Longevity
Precision is central to the performance of our High-Precision Auto Spare Part Bearing. The 55mm bore diameter and 100mm outer diameter ensure proper fit in automotive assemblies, while the 21mm width provides stable load distribution. Our ISO9001:2008 certification guarantees consistent manufacturing processes, from raw material selection to final inspection. The deep groove design maximizes contact area, enhancing load capacity and extending service life compared to standard bearings.
The Hidden Costs of Substandard Bearings
Choosing non-certified bearings may save upfront costs but often leads to premature failure. A single bearing failure in a vehicle assembly can cause cascading damage to adjacent components, resulting in repair bills 5-10 times the cost of a quality bearing. Our Long-Life Deep Groove Ball Bearing for Cars reduces total cost of ownership by minimizing downtime, lowering maintenance frequency, and ensuring compliance with international automotive standards.
Why Global Buyers Choose Saifan Bearings
With 18 years of manufacturing experience, we serve clients across Europe, America, Southeast Asia, and the Middle East. Our in-house R&D and QC lab ensure each bearing meets strict performance criteria before shipment. We offer a 12-month global warranty, free technical guidance, and defect replacement/refund policies. Our production capacity of 1,000,000 units annually guarantees stable supply, even for large-scale orders.
Packaging & Shipping
- Securely packed to prevent damage during transit
- Sample lead time: 3–5 days for standard items
- Bulk delivery: 5–15 days after order confirmation
- Multiple payment options: T/T, credit card, Alibaba trade assurance
- 1pc MOQ available for emergency replacement needs
Get Your Auto Bearing Quote Today
Don’t let bearing issues disrupt your operations. Send us your required model (6211, 6311, 6411), quantity, and application details to receive a competitive quote within 24 hours. Our team can also provide technical specifications to ensure proper fit for your specific automotive application.
Frequently Asked Questions
Q: Are these bearings manufactured to international standards?
A: Yes, all our bearings comply with ISO9001:2008 certification and meet P0-P4 precision levels, ensuring compatibility with global automotive requirements.
Q: How can I confirm the right bearing size for my equipment?
A: Provide your equipment model or dimensional requirements (bore diameter, outer diameter, width), and our technical team will verify compatibility with the 6211/6311/6411 series.
Q: What warranty coverage do you offer?
A: We provide a 12-month global warranty covering manufacturing defects, with free replacement or refund available for non-conforming products.
Q: What is the minimum order quantity?
A: Standard items have a 1pc MOQ, supporting both small-batch repairs and large-scale production orders.
Q: How long does shipping take to European countries?
A: Bulk orders typically deliver within 5–15 days, with express options available for urgent requirements.
Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we'll respond within 24 hours.
