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 |
| Industrial Machinery |
Machine Tools, Gearboxes, Reducers |
| Manufacturing |
CNC Machines, Spindles, Printing Equipment |
| Heavy Industry |
Rolling Mills, Crushers, Conveyors |
Reduce Downtime with High Precision Double Row Cylindrical Roller Bearing NN3020 K TN9/SP for Industrial Machinery
Industrial operations face critical challenges when bearings fail prematurely—unplanned downtime disrupts production schedules, and replacing low-quality components repeatedly drives up maintenance costs. Sourcing reliable high-precision bearings that meet exact specifications often requires navigating complex supply chains with inflexible minimum order quantities, delaying urgent repairs.
Engineered for Reliable Performance in Demanding Machinery
The Double Row Cylindrical Roller Bearing NN3020 K TN9/SP addresses these pain points with its robust design and precision manufacturing. As a professional bearing manufacturer with decades of experience, we produce this industrial machinery bearing to strict quality standards, ensuring compatibility with high-performance equipment like machine tools and gearboxes. Our flexible order policy allows for 1 piece MOQ on standard bearings, supporting both small-batch repairs and large-scale production needs.
Optimized for Heavy Load and High-Speed Industrial Applications
This high precision bearing excels in applications requiring simultaneous radial and axial load support, such as in CNC machine spindles and industrial gearboxes. Its separated inner and outer rings facilitate easy mounting and dismounting, a critical feature for maintenance-intensive machinery. The bearing’s design accommodates high rotational speeds while maintaining stability, making it ideal for continuous operation in manufacturing environments where reliability directly impacts productivity.
Key Technical Features That Ensure Long-Term Performance
The NN3020 K TN9/SP bearing’s performance is defined by its technical specifications. Crafted from high-grade bearing steel with a hardness of 60-64 HRC, it delivers exceptional wear resistance and durability under heavy loads. The brass or steel cage options provide stable roller guidance, reducing friction and extending service life. Available clearance grades (C0, C2, C3, C4, C5) allow customization to specific operating conditions, ensuring optimal performance in everything from precision machining to heavy industrial applications. Vibration grades Z1V1 to Z3V3 further enhance operational smoothness, minimizing noise and energy loss.
Why Compromising on Bearing Quality Costs More in the Long Run
Choosing substandard bearings may seem cost-effective initially, but the hidden expenses add up quickly. Early failures lead to unplanned downtime, costly repairs, and potential damage to adjacent components. Our TN9/SP precision bearing meets international standards, ensuring consistent performance and reducing the risk of unexpected failures. With a focus on total cost of ownership, investing in quality bearings lowers long-term maintenance expenses and supports uninterrupted production schedules.
Our Commitment to Quality and Customer Trust
With ISO 9001:2015 and ISO 14001 certifications, we adhere to strict quality management and environmental standards. Our in-house laboratory conducts comprehensive performance tests, including dimensional detection and noise analysis, ensuring every bearing meets specifications. We offer a 12-month warranty on all products, with free replacement for qualified defective items. Our professional technical team provides free guidance on selection, installation, and maintenance, supporting customers throughout the product lifecycle. With production facilities equipped with advanced precision processing equipment and automated lines, we ensure stable supply and efficient delivery—sample orders ship within 3-5 working days, and bulk orders within 5-15 working days.
Packaging & Shipping
- Secure carton pallet packaging to protect against damage during transit
- Sample orders shipped within 3-5 working days; bulk orders within 5-15 working days
- Multiple logistics options including express, air, and sea freight
- Real-time tracking information provided for all shipments
- 1 piece MOQ available for standard bearings, supporting emergency repairs and small-scale purchases
Get the Right Bearing for Your Machinery Today
Don’t let bearing issues disrupt your operations. Whether you need a single replacement or bulk order, our Double Row Cylindrical Roller Bearing NN3020 K TN9/SP is ready to ship. Contact us with your application details, and our team will ensure you receive the correct bearing for your industrial machinery needs.
Frequently Asked Questions
Q: Is this bearing a genuine product?
A: Yes, we are a professional bearing manufacturer with strict quality control processes. All products are manufactured in our facilities and meet international standards, with full traceability.
Q: How can I confirm if this bearing fits my equipment?
A: Provide your equipment model, operating conditions, and required specifications. Our technical team will assist with free选型确认 to ensure compatibility.
Q: What is the warranty policy?
A: We offer a 12-month warranty from the date of delivery. Qualified defective products are eligible for free replacement or refund.
Q: What is the minimum order quantity?
A: Standard bearings have a 1 piece MOQ, supporting both emergency repairs and small orders.
Q: How long does shipping take?
A: Sample orders ship within 3-5 working days, bulk orders within 5-15 working days. Logistics options include DHL, FedEx, UPS, air, and sea freight.
Q: How do I verify the bearing’s quality?
A: Our bearings undergo strict incoming inspection, in-process supervision, and final testing. We can provide test reports and certification upon request to confirm compliance with standards.
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