Product Specifications
| Parameter |
Details |
| Model NO. |
NN3024KTN9/UPVR522 |
| Type |
Roller |
| Selling Units |
Single Item |
| Single Gross Weight |
0.250 Kg |
| Inner Diameter |
120 mm |
| Number of Row |
Double Row |
| Single Package Size |
10X10X10 cm |
| Structure |
Cylindrical |
| Seals Type |
Open |
| Trademark |
SKF |
| Origin |
China |
Application Industries
| Industry |
Typical Equipment |
| Steel & Metallurgy |
Rolling Mills, Continuous Casters, Strip Processing Lines |
| Manufacturing |
Heavy Duty Gearboxes, Machine Tool Spindles, Press Machinery |
| Mining & Construction |
Crushing Equipment, Conveyor Systems, Industrial Mixers |
Minimize Downtime with Genuine SKF NN3024 KTN9/UPVR522 Multi-Row Cylindrical Roller Bearing for Rolling Mills
Rolling mill operators know the cost of unexpected bearing failure—unplanned downtime can exceed $10,000 per hour in lost production. Many face challenges sourcing authentic double row roller bearings that match original specifications, leading to premature failures and repeated replacements. When maintenance teams need cross-brand components, coordinating with multiple suppliers often causes critical delays in getting production back online.
Authentic SKF Rolling Mill Bearings in Stock for Immediate Shipment
As an official SKF authorized distributor, we stock the NN3024 KTN9/UPVR522 Multi-Row Cylindrical Roller Bearing—designed specifically for the heavy radial loads and moderate axial forces in rolling mill applications. Our centralized inventory system ensures this critical component is available for same-day processing, eliminating the typical 4-6 week lead time from direct manufacturers. Each bearing undergoes ISO 9001 quality inspection before shipment, guaranteeing it meets SKF’s exacting standards for dimensional accuracy and load capacity.
Engineered for the Rigors of Rolling Mill Operations
This double row cylindrical roller bearing excels in the harsh conditions of steel production, where continuous operation under heavy loads and varying temperatures is the norm. The NN3024 KTN9/UPVR522 design features optimized internal geometry to distribute stress evenly across rolling elements, reducing fatigue and extending service life in back-up rolls and work rolls. Its open structure allows for effective lubrication circulation, crucial for dissipating heat generated during high-speed metal deformation processes.
Key Technical Features That Maximize Performance
The NN3024 KTN9/UPVR522’s double row configuration provides superior radial load carrying capacity compared to single row alternatives, making it ideal for the high-pressure environments of rolling mills. The KTN9 cage design—manufactured from high-strength polyamide—ensures stable roller guidance even at elevated speeds, minimizing vibration and noise. With an inner diameter of 120 mm, this bearing fits standard rolling mill spindle configurations, ensuring straightforward replacement without modifications to existing equipment. The UPVR522 designation indicates precision manufacturing tolerances, critical for maintaining roll alignment and product quality in metal rolling applications.
Why Authenticity Matters for Rolling Mill Bearings
Counterfeit cylindrical roller bearings often fail within 30-50% of the service life of genuine SKF products, leading to catastrophic equipment damage and extended downtime. Unauthorized copies typically use substandard steel alloys that cannot withstand the cyclic loading in rolling mills, resulting in premature flaking or fracture. Genuine SKF bearings like the NN3024 KTN9/UPVR522 undergo rigorous material testing and heat treatment processes, ensuring consistent performance under the extreme conditions of steel production. The total cost of ownership—including reduced maintenance, fewer replacements, and minimized downtime—makes genuine bearings a sound investment for industrial operations.
Our Commitment to Reliable Bearing Supply
With dual-brand authorization from SKF and Timken, we offer verified product traceability for every bearing—each unit comes with complete certification documents linking it to SKF’s official manufacturing chain. Our ISO 9001 quality system includes incoming inspection protocols that verify dimensional accuracy, material composition, and performance characteristics before adding products to our inventory. As a global distributor serving 1,200+ clients across 55+ countries, we’ve developed logistics solutions that ensure timely delivery even for emergency maintenance needs. Our cross-brand technical team includes 15+ certified bearing engineers who provide free application analysis to ensure proper选型 and installation, helping clients avoid costly mismatches.
Packaging & Shipping
- Original SKF packaging with tamper-evident seals and product authenticity labels
- Expedited processing for emergency orders—standard lead time 3-7 business days
- Flexible logistics options including DHL, FedEx, UPS, air freight, and sea freight
- Real-time shipment tracking with dedicated order management support
- Minimum order quantity of 1 unit, ideal for both scheduled maintenance and urgent repairs
Secure Your Rolling Mill’s Productivity Today
Every hour of unplanned downtime in a rolling mill impacts production schedules and profitability. With the NN3024 KTN9/UPVR522 bearing in stock and ready to ship, you can minimize disruption when maintenance is needed. Our streamlined ordering process ensures you get the right bearing quickly, without the hassle of coordinating with multiple suppliers.
Frequently Asked Questions
Q: Is this bearing a genuine SKF product?
A: Yes, we are an official SKF authorized distributor. Every NN3024 KTN9/UPVR522 bearing comes with complete traceability documentation and can be verified through SKF’s official channels.
Q: How do I confirm this bearing fits my rolling mill equipment?
A: Provide your equipment model number or existing bearing designation, and our technical team will cross-verify compatibility with SKF’s application database at no cost.
Q: What is the warranty policy for this bearing?
A: The NN3024 KTN9/UPVR522 comes with SKF’s standard manufacturer warranty, covering defects in materials and workmanship. We provide full support for warranty claims processing.
Q: What is the minimum order quantity?
A: We accept orders for 1 unit, making it easy to source emergency replacement bearings for critical maintenance.
Q: How quickly can you ship this bearing?
A: In-stock bearings ship within 24 hours of order confirmation. Standard delivery takes 3-7 business days depending on destination; expedited options are available for urgent requirements.
Q: How can I verify the authenticity of the bearing upon receipt?
A: Each bearing includes SKF’s holographic security label with a unique verification code that can be checked on SKF’s official website. We also provide certificate of conformance with each shipment.
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