Product Specifications
| Parameter |
Details |
| Model NO. |
NA6911 |
| Load Direction |
Radial Bearing |
| Style |
Without Outer Ring, Without Inner Ring |
| Material |
Bearing Steel |
| Type |
Closed |
| Product Name |
Needle Roller Bearing |
| Lubrication |
Grease or Oil |
| Precision Rating |
P0 P6 P5 P4 P2 |
| Clearance |
C0 C3 C4 |
| Delivery Time |
3-7 days |
| Service |
OEM ODM |
| Transport Package |
Carton Pallet |
| Specification |
55*80*45 mm |
| Origin |
China |
| HS Code |
8482102000 |
Application Industries
| Industry |
Typical Equipment |
| Industrial Machinery |
Machine Tools, Spindles, Gearboxes |
| Automotive |
Transmission Systems, Drivetrains |
| Agricultural Machinery |
Tractors, Harvesters, Implements |
| Manufacturing |
Printing Machines, Reducers, Conveyors |
| New Energy |
Wind Turbines, Solar Equipment |
Prevent Equipment Downtime with Precision Needle Roller Bearings NA6911 NA6912 NA6913
Equipment failures caused by substandard bearings cost manufacturers thousands in lost production each year. Many buyers struggle with unreliable suppliers offering inconsistent quality, long lead times for custom sizes, and limited technical support when selecting the right bearing for precision applications. These challenges often lead to premature wear, increased maintenance costs, and unexpected downtime.
High-Precision Needle Roller Bearings for Critical Mechanical Applications
Our Needle Roller Bearing NA6911, NA6912, and NA6913 series are engineered to solve these pain points with dimensions of 55x80x45mm, ideal for precision mechanical applications requiring high radial load capacity in compact spaces. As a professional bearing manufacturer with ISO 9001:2015 and ISO 14001 certifications, we ensure each bearing meets strict quality standards, from raw material inspection to final performance testing. Whether used in machine tools, automotive transmissions, or agricultural equipment, these bearings deliver consistent performance and durability.
Optimal Performance in Demanding Conditions
Needle roller bearings excel in applications with high radial loads and limited axial space, making them perfect for precision mechanical systems such as gearboxes, printing machines, and reducers. The NA6911, NA6912, and NA6913 models, with their closed design and bearing steel construction, provide reliable operation under varying speeds and temperatures. Their ability to handle heavy loads while maintaining precision makes them a critical component in industrial machinery where accuracy and uptime are essential.
Key Technical Features That Ensure Reliability
The precision rating of P0 to P4 ensures minimal runout and vibration, critical for high-speed applications like CNC machine spindles. Clearance options (C0, C3, C4) allow customization based on thermal expansion and operating conditions—C3 clearance, for example, is ideal for applications with significant temperature variations. The closed design protects internal components from contaminants, extending service life in dusty or moist environments. Lubrication flexibility (grease or oil) further adapts these bearings to diverse operational requirements, from low-speed heavy loads to high-speed continuous operation.
Why Genuine Bearings Reduce Total Cost of Ownership
Choosing genuine needle roller bearings over counterfeit products eliminates hidden costs associated with frequent replacements, equipment damage, and unplanned downtime. Our bearings adhere to ISO, ABMA, and DIN international standards, ensuring compatibility with original equipment specifications. A 12-month warranty covers manufacturing defects, providing peace of mind and reducing long-term maintenance expenses. For industrial buyers, investing in quality bearings translates to lower total cost of ownership through improved reliability and longer service intervals.
Our Commitment to Quality and Service
With over 18 years of manufacturing and export experience, we serve customers in Europe, North America, Southeast Asia, and the Middle East. Our one-stop service includes independent R&D, mass production, and global sales, supported by a professional technical team offering free guidance on selection, installation, and maintenance. We maintain flexible order policies—1 piece MOQ for standard bearings and 3-5 day delivery for samples—ensuring responsive support for both small repairs and large-scale production needs. All products undergo strict incoming material inspection and full-process supervision, with in-house laboratory testing for dimensional accuracy, noise, vibration, and service life.
Packaging & Shipping
- Carton and pallet packaging for secure transportation
- 3-7 days delivery time for standard orders
- Multiple logistics options: DHL, FedEx, UPS, air freight, and sea freight
- Real-time logistics tracking provided for all shipments
- 1 piece MOQ available for standard bearings, supporting emergency maintenance needs
Secure Your Bearings Today
Don’t let equipment downtime affect your production schedule. Whether you need NA6911, NA6912, or NA6913 bearings for immediate replacement or upcoming projects, we ensure fast delivery and reliable performance. Contact us with your specific requirements, and our technical team will help confirm the right bearing for your application.
Frequently Asked Questions
Q: Are these needle roller bearings genuine and traceable?
A: Yes, all our bearings are manufactured in our ISO 9001:2015 certified facility and come with complete traceability documentation, ensuring authenticity and quality.
Q: How can I confirm if the NA6911 bearing fits my equipment?
A: Provide your equipment model or specific dimensional requirements (bore diameter, outer diameter, width), and our technical team will verify compatibility free of charge.
Q: What warranty do you offer on these bearings?
A: We provide a 12-month warranty from the date of delivery, covering manufacturing defects with free replacement or refund for qualified issues.
Q: What is the minimum order quantity for the NA6911 bearing?
A: The minimum order quantity for standard bearings is 1 piece, supporting both small repairs and bulk purchases.
Q: How long does it take to ship an order?
A: Sample orders ship within 3-5 working days, and bulk orders within 5-15 working days, with multiple logistics options to meet your timeline.
Q: Can you customize bearings according to specific requirements?
A: Yes, we support OEM and ODM customization, including adjustments to structure, size, housing, and packaging based on customer drawings and demands.
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