Product Specifications
| Parameter |
Details |
| Model NO. |
RNA4912 |
| 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 |
3-7days |
| Service |
OEM ODM |
| Transport Package |
Carton Pallet |
| Specification |
68*85*25 mm |
| HS Code |
8482102000 |
| Production Capacity |
1000000 |
Application Industries
| Industry |
Typical Equipment |
| Industrial Machinery |
Machine Tools, Printing Equipment, Reducers |
| Automotive |
Transmission Systems, Gearboxes |
| Agricultural Machinery |
Harvesters, Tractors |
| New Energy |
Wind Turbines, Photovoltaic Equipment |
| Home Appliances |
Electric Motors, Pumps |
Prevent Equipment Downtime with RNA4912 Needle Roller Bearing 68x85x25mm P4 Precision
Industrial machinery operators know the frustration of unexpected downtime caused by bearing failures. When low-quality bearings fail prematurely, production lines halt, maintenance costs rise, and deadlines are missed. Sourcing precision bearings with reliable delivery and consistent quality can be a constant challenge, especially when dealing with overseas suppliers who lack transparency or flexibility in order quantities.
Engineered for Reliable Performance in Critical Machinery
Our RNA4912 Needle Roller Bearing addresses these pain points with precision engineering and customer-centric service. As an integrated manufacturer with ISO9001 and ISO14001 certifications, we ensure each bearing meets P0-P4 precision standards, making it ideal for industrial machinery like machine tools and reducers where accuracy and durability are non-negotiable. With a 1pc MOQ for standard items and 3-7 days delivery time, we support both emergency repairs and planned maintenance, eliminating the need for large inventory stockpiles.
Optimized for High-Stress Industrial Applications
The RNA4912 is a radial needle roller bearing designed to handle heavy radial loads in compact spaces, thanks to its 68x85x25mm dimensions and closed-type construction. This bearing excels in applications with moderate speeds and high load capacities, such as gearboxes and transmission systems in agricultural and industrial equipment. Its needle roller design provides superior load distribution, ensuring stable operation even under fluctuating stress conditions—critical for maintaining production efficiency in manufacturing environments.
Technical Features That Ensure Long-Term Performance
Key technical attributes of the RNA4912 directly impact its performance in industrial settings. The precision rating (P0-P4) controls dimensional accuracy and rotational stability; P4 grade, in particular, minimizes vibration and noise, essential for precision machine tools. Clearance options (C0, C3, C4) allow customization for thermal expansion needs—C3 or C4 clearances are recommended for applications with temperature variations to prevent seizure. Constructed from high-quality bearing steel, the bearing offers excellent wear resistance, while its closed type design protects internal components from contaminants, extending service life in dusty industrial environments.
Why Choosing the Right Bearing Matters for Total Cost of Ownership
Opting for genuine, precision-engineered bearings like the RNA4912 reduces long-term costs compared to cheaper alternatives. Counterfeit bearings often fail within months, leading to repeated replacements, unplanned downtime, and potential damage to expensive machinery. In contrast, our bearings come with a 12-month global warranty, covering manufacturing defects and providing free technical guidance. For a typical industrial machine, the cost of a single bearing failure—including labor, parts, and lost production—can exceed 10 times the bearing’s purchase price. Investing in quality bearings minimizes these risks and ensures predictable maintenance schedules.
Our Commitment to Quality and Customer Support
With over 18 years of experience serving global buyers across Europe, America, and Southeast Asia, we’ve built a reputation for reliability. Our in-house R&D and QC lab ensure each bearing undergoes rigorous testing before shipment, from material composition checks to dimensional accuracy verification. We offer full OEM/ODM customization, adapting the RNA4912 to specific application requirements such as special lubrication or clearance settings. Our technical team provides free guidance on bearing selection, installation, and maintenance, helping customers avoid costly选型 mistakes. With a production capacity of 1,000,000 units annually, we guarantee stable supply even for large-scale projects.
Packaging & Shipping
- Secure carton and pallet packaging to prevent damage during transit
- 3-7 days delivery time for standard orders, with expedited options available
- Flexible shipping via DHL, FedEx, UPS, air freight, or sea freight based on your needs
- Real-time tracking numbers provided once shipment is dispatched
- 1pc minimum order quantity, supporting both emergency repairs and bulk purchases
Get Your RNA4912 Bearing Shipped Today
Don’t let bearing issues disrupt your production schedule. Whether you need a single RNA4912 for an urgent repair or are planning a large-scale equipment upgrade, we can fulfill your order quickly. Send us your bearing model, application details, and quantity, and our team will provide a competitive quote within 24 hours. The sooner you order, the sooner you can restore your machinery to peak performance.
Frequently Asked Questions
Q: Is the RNA4912 bearing genuine and traceable?
A: Yes, we are an integrated manufacturer with strict quality control processes. Each bearing is produced in our ISO-certified facility and comes with full traceability documentation.
Q: How do I confirm if the RNA4912 is compatible with my equipment?
A: Provide your equipment model, operating speed, load conditions, and temperature range. Our technical team will verify compatibility and recommend the appropriate precision and clearance grade.
Q: What warranty coverage do you offer for the RNA4912?
A: We provide a 12-month global warranty covering manufacturing defects. If a bearing fails due to material or production issues, we offer free replacement or refund.
Q: What is the minimum order quantity for the RNA4912?
A: The minimum order quantity is 1 piece for standard specifications, making it suitable for emergency repairs and small-batch requirements.
Q: How quickly can you ship the RNA4912 bearing?
A: Standard orders ship within 3-7 days. For urgent requests, contact our sales team to discuss expedited production and shipping options.
Q: Can you customize the RNA4912 bearing for specific applications?
A: Yes, we offer OEM/ODM services, including custom precision grades,
Tags:
68x85x25mm Bearing
Closed Type Needle Bearing
Industrial Machinery Needle Bearing
needle roller bearing
P4 precision bearing
Radial Needle Roller Bearing
RNA4912 68x85x25mm P4 Bearing
RNA4912 Bearing
