Product Specifications
| Parameter |
Details |
| Model NO. |
Double Row Cylindrical Roller Bearing |
| Outer Dimension |
Medium and Large(120-190mm) |
| Material |
Bearing Steel |
| Spherical |
Non-Aligning Bearings |
| Load Direction |
Axial Bearing |
| Separated |
Separated |
| Clearance |
C0 C2 C3 C4 C5 |
| Cage |
Brass, Steel |
| Vibration |
Z1V1 Z2V2 Z3V3 |
| Hardness |
60-64 HRC |
| Transport Package |
Carton Pallet |
| Specification |
As Your Request |
| HS Code |
8482800000 |
Application Industries
| Industry |
Typical Equipment |
| Industrial Machinery |
Machine Tools, Gearboxes, Reducers, Printing Machines |
| Manufacturing |
CNC Machines, Spindles, Conveyors, Electric Motors |
Prevent Equipment Downtime with RNU212 Ec J Miniature Double Row Cylindrical Roller Bearing
Industrial machinery operators know the frustration of unexpected downtime caused by bearing failures. When a critical component like a cylindrical roller bearing fails prematurely, it disrupts production schedules and leads to costly repairs. Sourcing reliable bearings that meet precision requirements while offering flexible order options can be a challenge, especially for small to medium-sized maintenance operations.
Engineered for Reliable Performance in Industrial Machinery
The Miniature Double Row Cylindrical Roller Bearing RNU212 Ec J is designed to address these challenges. As a professional bearing manufacturer with decades of experience, we produce this bearing to meet P0-P4 precision grades and Z2-Z3-Z4 noise grades, ensuring compatibility with a wide range of industrial machinery. Our one-stop service covers everything from independent R&D to global sales, meaning you get a product that’s not only high-quality but also backed by comprehensive support.
Optimized for Heavy-Duty Industrial Applications
This Double Row Cylindrical Roller Bearing RNU212 excels in applications where radial load capacity and rigidity are essential. Its separated design allows for easy installation and maintenance, making it ideal for gearboxes, printing machines, and reducers—common components in industrial manufacturing lines. The bearing’s ability to handle moderate axial loads while maintaining precision rotation ensures consistent performance even in demanding operating conditions.
Key Technical Features That Enhance Machinery Performance
The RNU212 Ec J Bearing incorporates several technical features that directly impact operational efficiency. Its bearing steel construction, with a hardness of 60-64 HRC, provides excellent wear resistance and durability, extending service life in high-cycle applications. The available clearance options (C0, C2, C3, C4, C5) allow customization based on thermal expansion needs, ensuring optimal performance across temperature variations. The cage, available in brass or steel, is engineered to maintain proper roller spacing, reducing vibration and noise—critical for precision machinery where operational smoothness is paramount.
Why Genuine Bearings Matter for Total Cost of Ownership
Choosing genuine Miniature Cylindrical Roller Bearing for Machinery over counterfeit alternatives directly affects your bottom line. Counterfeit bearings often fail prematurely due to substandard materials and manufacturing processes, leading to unplanned downtime, increased labor costs for replacements, and potential damage to adjacent components. Our bearings meet ISO, ABMA, and DIN international standards, and each product undergoes strict quality control—from incoming raw material inspection to full-process production supervision. This commitment to quality reduces the total cost of ownership by minimizing failure-related expenses and extending maintenance intervals.
Our Commitment to Your Operational Success
With ISO 9001:2015 and ISO 14001 certifications, we adhere to rigorous quality and environmental management standards. Our flexible order policy allows for 1 piece MOQ for standard bearings, supporting both emergency repairs and small-batch production needs. Sample orders ship within 3-5 working days, and bulk orders within 5-15 working days, ensuring minimal wait times. We provide a 12-month warranty from the date of delivery, with free replacements or refunds for qualified defective products. Our professional technical team offers free guidance on bearing selection, installation, and maintenance, helping you optimize performance and avoid costly mistakes.
Packaging & Shipping
- Carton pallet packaging for secure transportation
- Sample orders shipped within 3-5 working days
- Bulk orders delivered in 5-15 working days
- Multiple logistics options available to meet your timeline
- 1 piece MOQ for standard bearings, supporting small-batch and emergency needs
Get Your RNU212 Ec J Bearing Today
Don’t let bearing issues disrupt your production schedule. Whether you need a single replacement or a bulk order, we ensure fast delivery and reliable performance. Send us your requirements, and our team will help confirm the perfect fit for your machinery.
Frequently Asked Questions
Q: Is this a genuine Saifan bearing?
A: Yes, all our products are manufactured in-house under strict quality control, with full traceability from raw materials to finished products. We are a certified high-tech enterprise with ISO 9001:2015 and ISO 14001 certifications.
Q: How do I confirm if the RNU212 Ec J is compatible with my equipment?
A: Provide your equipment model, operating conditions (load, speed, temperature), and required specifications. Our technical team will conduct a free compatibility check to ensure optimal performance.
Q: What is the warranty policy for this bearing?
A: We offer a 12-month warranty from the date of delivery. Defective products due to manufacturing issues are eligible for free replacement or refund, with support provided throughout the claim process.
Q: What is the minimum order quantity?
A: The minimum order quantity for standard bearings like the RNU212 Ec J is 1 piece, allowing for emergency repairs and small-batch purchases.
Q: How quickly can I receive my order?
A: Sample orders ship within 3-5 working days, and bulk orders within 5-15 working days. We work with global logistics providers to ensure timely delivery to your location.
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