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 |
| HS Code |
8482800000 |
Application Industries
| Industry |
Typical Equipment |
| New Energy |
Wind Turbines, Solar Power Generators, Energy Storage Systems |
| Industrial Machinery |
Gearboxes, Reducers, Electric Motors |
Prevent Costly Downtime with Nup320-Ec J Energy Machinery Double Row Cylindrical Roller Bearing
New energy equipment operators often face unexpected production halts due to bearing failures, especially in critical components like wind turbine gearboxes. When bearings lack proper clearance or use substandard materials, they overheat under continuous operation, leading to premature wear and unplanned maintenance that disrupts energy output and increases operational costs.
Engineered for New Energy Equipment’s Demanding Conditions
The Nup320-Ec J Double Row Cylindrical Roller Bearing with C3 clearance is designed to address these challenges. As a professional bearing manufacturer with decades of export experience, we produce this bearing to meet P0-P4 precision standards and Z2-Z3-Z4 noise grades, ensuring reliable performance in new energy applications. Its separated structure allows easy installation and maintenance, a critical advantage for equipment where downtime must be minimized.
Optimal Performance in High-Load, Continuous Operation
This Energy Machinery Double Row Cylindrical Roller Bearing excels in high-torque, continuous rotation scenarios typical of new energy equipment. The double row design enhances radial load capacity, while the C3 clearance grade accommodates thermal expansion during long-term operation, preventing seizing and reducing vibration. Whether in wind turbine main shafts or solar tracking system drives, it maintains stability under varying loads and temperatures.
Key Technical Features That Ensure Longevity
The bearing’s 60-64 HRC hardness guarantees resistance to wear, even in heavy-duty applications. Its brass or steel cage provides robust guidance for rollers, ensuring uniform load distribution and minimizing friction. The Z1V1-Z3V3 vibration grades meet strict noise requirements, critical for equipment operating in residential or noise-sensitive areas. With medium and large outer dimensions (120-190mm), it fits seamlessly into standard new energy machinery designs, reducing the need for custom adaptations.
Why Compromising on Bearing Quality Costs More in the Long Run
Choosing low-quality bearings for new energy equipment may seem cost-effective initially, but the hidden costs add up quickly. Failed bearings can cause secondary damage to gearboxes or motors, leading to repair bills that dwarf the initial savings. Our C3 Clearance Double Row Cylindrical Bearing undergoes strict incoming material inspection and full-process production supervision, ensuring compliance with ISO, ABMA, and DIN standards. This commitment to quality reduces the risk of unexpected failures and lowers total ownership costs over the bearing’s service life.
Our Customers Trust Our 18+ Years of Bearing Expertise
Jinan Saifan Bearing Co., Ltd, founded in 2005, has served over 50 countries across Europe, North America, Southeast Asia, and the Middle East. We hold ISO 9001:2015 and ISO 14001 certifications, and our in-house laboratory conducts dimensional, noise, vibration, and service life tests to ensure every bearing meets our high standards. Our technical team provides free guidance on selection, installation, and maintenance, while our 12-month warranty covers manufacturing defects, offering peace of mind for your critical equipment.
Packaging & Shipping
- Secure carton pallet packaging to prevent damage during transit
- Sample orders shipped within 3-5 working days
- Bulk orders delivered in 5-15 working days
- Multiple logistics options including express, air, and sea freight
- 1 piece MOQ for standard bearings, ideal for emergency replacements
Get Your Nup320-Ec J Bearing Shipped Quickly
Don’t let bearing issues delay your new energy projects. Whether you need a single replacement or bulk order, we ensure prompt delivery to keep your equipment running. Send us your requirements today, and our team will confirm specifications and provide a quote within 24 hours.
Frequently Asked Questions
Q: Is this bearing suitable for wind turbine gearboxes?
A: Yes, the Nup320-Ec J Double Row Cylindrical Roller Bearing with C3 clearance is designed for high-load, continuous operation, making it ideal for wind turbine gearboxes and other new energy equipment.
Q: How do I confirm the correct clearance for my application?
A: Our technical team can recommend the appropriate clearance (C0/C2/C3/C4/C5) based on your equipment’s operating temperature and load conditions. Provide your application details for a free consultation.
Q: What warranty coverage do you offer?
A: We provide a 12-month warranty from the date of delivery, covering manufacturing defects. Qualified defective products can be replaced or refunded.
Q: What is the minimum order quantity?
A: Standard bearings have a 1 piece MOQ, allowing for emergency repairs or small-scale projects.
Q: How can I verify the authenticity of your bearings?
A: All products come with traceable production records and comply with ISO standards. Our quality control process includes dimensional and performance testing, with certificates available upon request.
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