Product Specifications
| Parameter |
Details |
| Model NO. |
RNA6909 |
| 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 |
| Specification |
52*68*40 mm |
| Origin |
China |
| HS Code |
8482102000 |
Application Industries
| Industry |
Typical Equipment |
| Industrial Machinery |
Machine Tools, Textile Machinery, Printing Equipment, Reducers |
| Automotive |
Transmission Systems, Gearboxes |
| Agricultural Machinery |
Tractors, Harvesters |
| New Energy Equipment |
Wind Turbines, Solar Tracking Systems |
Reduce Downtime with Precision Needle Roller Bearings RNA6909 RNA6910 RNA6911 for Industrial Machinery
Industrial machinery operators often face unexpected production halts due to bearing failures, especially in high-load applications like gearboxes and conveyors. Sourcing reliable needle roller bearings with tight tolerances can be challenging, with many suppliers offering inconsistent quality or long lead times that delay maintenance. When precision matters—whether in textile machinery or printing equipment—compromising on bearing quality leads to increased wear, higher energy consumption, and costly replacements.
Needle Roller Bearings Engineered for Industrial Reliability
Our Needle Roller Bearing RNA6909, RNA6910, and RNA6911 series are designed to address these challenges with precision manufacturing and durable materials. With a specification of 52x68x40mm and precision grades from P0 to P4, these bearings deliver stable performance in radial load applications, making them ideal for industrial machinery such as CNC machine spindles and reducer assemblies. As a professional bearing manufacturer with decades of export experience, we ensure each unit meets strict quality control standards, from raw material inspection to full-process production supervision.
Optimal Performance in Demanding Industrial Conditions
These needle roller bearings excel in applications requiring high radial load capacity in compact spaces. The closed design and bearing steel construction provide resistance to wear and deformation, even under continuous operation in machine tools and textile machinery. Whether handling the cyclic loads of agricultural equipment or the precision demands of printing machines, the RNA6909, RNA6910, and RNA6911 bearings maintain consistent rotation, reducing vibration and extending equipment service life.
Key Technical Features That Ensure Performance
The precision rating (P0-P4) directly impacts operational accuracy: P4 grade bearings, for example, minimize radial runout, critical for high-speed spindles in CNC machines. Clearance options (C0, C3, C4) allow customization to fit specific operating conditions—C3 clearance, for instance, accommodates thermal expansion in high-temperature environments like industrial ovens. The “without inner and outer ring” style enables direct integration with machine shafts, reducing weight and improving assembly efficiency. Combined with grease or oil lubrication flexibility, these features make the bearings adaptable to diverse industrial machinery requirements.
Why Authentic Bearings Lower Total Cost of Ownership
Choosing genuine needle roller bearings avoids the hidden costs of counterfeit products, which often fail prematurely due to substandard materials and poor manufacturing. A single bearing failure in a production line can cause hours of downtime, resulting in lost revenue that far exceeds the initial savings on cheap alternatives. Our bearings meet ISO international standards and undergo rigorous dimensional and performance testing in our in-house laboratory, ensuring reliability that reduces maintenance frequency and extends equipment lifespan—ultimately lowering your total cost of ownership.
Our Commitment to Quality and Service
With ISO 9001:2015 and ISO 14001 certifications, we adhere to global quality and environmental standards. Our professional technical team provides free guidance on bearing selection, installation, and maintenance, helping you avoid common pitfalls that shorten bearing life. We offer flexible order policies, including 1 piece MOQ for standard bearings and sample orders with 3-5 working day delivery, ensuring you get the parts you need when you need them. Backed by a 12-month warranty and free replacement for qualified defective products, we stand behind every bearing we supply.
Packaging & Shipping
- Carton and pallet packaging for secure transportation
- 3-7 working days delivery for sample orders
- Multiple logistics options: DHL, FedEx, UPS, air freight, and sea freight
- Real-time logistics tracking provided for all shipments
- 1 piece MOQ for standard bearings, supporting emergency repairs and small-batch purchases
Get Your Precision Needle Roller Bearings Today
Don’t let bearing issues slow down your production. Whether you need RNA6909, RNA6910, or RNA6911 bearings for industrial machinery, we have the expertise and inventory to meet your requirements. Send us your bearing model, application details, and quantity, and our team will provide a tailored quote—helping you get back to smooth, reliable operation as quickly as possible.
Frequently Asked Questions
Q: Are these needle roller bearings genuine and traceable?
A: Yes, all our bearings are manufactured in our ISO-certified facility and undergo strict quality control. We provide full traceability documentation for each product.
Q: How can I confirm if the RNA6909 bearing fits my equipment?
A: Our technical team can assist with选型 based on your equipment model, load requirements, and operating conditions. Provide these details, and we’ll verify compatibility.
Q: What is the warranty policy for these bearings?
A: We offer a 12-month warranty from the date of delivery. Defective products due to manufacturing issues will be replaced free of charge.
Q: What is the minimum order quantity for the RNA6909 bearing?
A: The minimum order quantity for standard bearings is 1 piece, supporting both small-batch purchases and emergency repairs.
Q: How long does it take to ship an order?
A: Sample orders are shipped within 3-7 working days. Bulk orders typically take 5-15 working days, depending on quantity and customization needs.
Q: Can you provide technical support for installation and maintenance?
A: Yes, our professional technical team offers free guidance on installation, lubrication, and maintenance to ensure optimal bearing performance and longevity.
Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we’ll respond within 24 hours.
