Description
Product Specifications
| Parameter | Details |
|---|---|
| Bearing Type | 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 |
| Origin | Jiangsu China |
| HS Code | 8482800000 |
Application Suitability
| Industry | Typical Applications |
|---|---|
| Industrial Machinery | High-precision rotating equipment, heavy-duty gearboxes |
| Automation | Precision conveyors, robotic arms |
| Metallurgy | Rolling mill stands, continuous casting machines |
| Construction | Heavy-duty pumps, hydraulic systems |
Struggling with Bearing Reliability in High-Precision Applications? The RNU212 EC J Miniature Double Row Cylindrical Roller Bearing Delivers
Many industrial buyers face the frustration of premature bearing failure in high-precision machinery, often due to incorrect clearance settings or substandard material hardness. Sourcing the exact cylindrical roller bearing model across multiple suppliers can also delay production timelines, especially when dealing with rare or specialized specifications.
Engineered for Consistent Performance in Demanding Environments
The Miniature Double Row Cylindrical Roller Bearing RNU212 EC J addresses these challenges with its separated design and precision-machined bearing steel construction. With a hardness range of 60-64 HRC, it maintains dimensional stability even under heavy axial loads, making it suitable for industrial applications requiring reliable performance. Our comprehensive inventory ensures quick access to both common and hard-to-find models, supporting your urgent production needs.
Optimal Performance in High-Load, Precision-Critical Scenarios
This double row cylindrical bearing excels in applications with moderate to high axial loads and where alignment precision is critical. Its non-aligning design requires accurate shaft and housing mounting, making it ideal for machinery such as precision lathes, industrial gearboxes, and robotic positioning systems. The separated components allow for easy installation and maintenance, reducing downtime during assembly or repair.
Key Engineering Features That Enhance Reliability
The bearing’s clearance options (C0, C2, C3, C4, C5) provide flexibility to match specific operating conditions—tighter clearances for high-precision rotating equipment and larger clearances for applications with temperature variations. The choice of brass or steel cages ensures compatibility with different speed ranges and load capacities, with brass offering better heat dissipation for continuous operation. Vibration grades Z1V1 to Z3V3 allow selection based on noise sensitivity, critical for precision instruments and quiet industrial environments.
Why Precision Bearings Reduce Long-Term Costs
Investing in a high-quality RNU212 EC J Bearing minimizes the hidden costs of equipment downtime and frequent replacements. Bearings with substandard hardness (below 60 HRC) often experience premature wear, leading to increased vibration, noise, and potential damage to adjacent components. By meeting ISO standards for material quality and dimensional accuracy, this bearing contributes to longer equipment service life and more predictable maintenance schedules, ultimately lowering total operational costs.
Quality You Can Rely On
Our production processes adhere to ISO 9001 standards, with rigorous testing of raw materials and finished products. Each bearing undergoes dimensional inspection and hardness testing to ensure compliance with specifications. We offer a warranty against manufacturing defects, providing peace of mind for your critical applications. With access to a wide range of brands and models, we can source or produce bearings according to your exact requirements, whether standard or custom.
Packaging & Shipping
- Packaged in cartons on pallets to ensure safe transportation
- Available for immediate delivery from stock
- Flexible shipping options including express, air, and sea freight
- Low minimum order quantities to support both small and large-scale procurement
Get Your RNU212 EC J Bearing Quote Today
Whether you need a single Miniature Double Row Cylindrical Roller Bearing or bulk quantities, provide us with your required specifications, quantity, and delivery location. Our team will promptly confirm availability and provide a competitive quote, ensuring you receive the right bearings when you need them.
Frequently Asked Questions
Q: Do you support procurement of other bearing brands or models?
A: Yes, we offer comprehensive procurement services covering a wide range of international and domestic brands. We can source or supply bearings according to your specified brand, model, or technical requirements.
Q: How can I confirm if this RNU212 EC J Bearing fits my equipment?
A: Provide your equipment’s bearing specifications (bore diameter, outer diameter, width, load capacity, and clearance requirements), and our technical team will verify compatibility with the RNU212 EC J or recommend suitable alternatives.
Q: What is your warranty policy for bearings?
A: We provide a warranty against manufacturing defects. The specific warranty period and terms are detailed in each sales contract, ensuring coverage for material and workmanship issues.
Q: What is the minimum order quantity for this bearing?
A: We offer low minimum order quantities, supporting both small-scale trials and large-volume purchases to meet your production needs.
Q: How long does shipping take, and what logistics options are available?
A: In-stock bearings are shipped immediately. Delivery time depends on your location and chosen logistics: express (2-5 days), air freight (5-7 days), or sea freight (20-30 days).
Q: Can you provide OEM/ODM customization for bearings?
A: Yes, we support custom bearing production according to your drawings, specifications, or sample requirements, including special materials, dimensions, and surface treatments.
Ready to order or need a quote?
Send the bearing model, dimensions (d x D x B), and quantity — we’ll get back to you with pricing and lead time.
