Mining & Metallurgy
Crushers, mills, conveyors, and smelting equipment under heavy radial/axial loads.
<p>Ensure uninterrupted industrial machinery performance with the <strong>SKF cylindrical roller bearing NN 3022 KTN9/SPVR522</strong>, a double row open-type solution engineered for precision and reliability. This 110mm inner diameter bearing delivers exceptional load distribution and rotational stability, minimizing downtime in high-demand manufacturing environments.</p><ul><li>Double row design enhances radial load capacity by 30% compared to single row alternatives, ideal for heavy-duty industrial applications</li><li>SKF-certified traceability ensures compliance with export documentation requirements, streamlining your supply chain logistics</li><li>Open type construction allows for easy lubrication maintenance, extending service life and reducing operational costs</li></ul>
Compatible with: Housings, adaptor sleeves, locking devices, SKF LGMT 2/3 grease, induction heaters, and SKF TMFT 36 fitting tools.
Formal quotation with SKF traceability cert within 24 hours · Sample orders available
24h Response
Quotation & Cert
60+ Countries
DDP/DAP/CIF
ISO 9001
Quality Certified
| Parameter | Value | Unit / Note |
|---|---|---|
| Bearing Series | -- | Cylindrical Roller Bearings |
| Bore Diameter (d) | -- | mm |
| Outer Diameter (D) | -- | mm |
| Width / Height (B) | -- | mm |
| Dynamic Load Rating (C) | -- | kN |
| Static Load Rating (C₀) | -- | kN |
| Fatigue Limit Load (Pu) | -- | kN |
| Reference Speed | -- | r/min |
| Limiting Speed | -- | r/min |
| Mass | -- | kg |
| Clearance Class | C3 | ISO 281 |
| Cage Material | -- | -- |
| Sealing / Shield | -- | -- |
| Lubrication | Grease / Oil bath | -- |
| Operating Temp. Range | −30 to +120 °C | -- |
| Vibration Level | SKF E1 / Standard | -- |
| Misalignment Tolerance | -- | ° |
| Fit Recommendation (shaft) | -- | ISO |
| Fit Recommendation (housing) | -- | ISO |
| Replacement / Cross Ref. | -- | -- |
Engineered for demanding industrial environments, this SKF bearing series delivers reliable performance across a wide range of heavy-duty and precision applications.
Crushers, mills, conveyors, and smelting equipment under heavy radial/axial loads.
Wind turbines, generators, gearboxes, and turbine main shafts.
Cranes, presses, rolling mills, and large industrial gearboxes.
Ship propulsion systems, deck machinery, and offshore platforms.
Kiln drives, ball mills, bucket elevators, and vibrating screens.
Paper machine rolls, dryer sections, and calender rolls.
Need Application Advice?
SKF-Certified Engineer
Selection · Failure analysis · Technical support
Every SKF bearing supplied by Dunyu Bearings adheres to SKF's global engineering standards -- from material science and heat treatment to precision tolerancing and noise classification.
Optimized internal geometry reduces friction and heat generation, extending service life by up to 50% compared to conventional designs. Ideal for high-speed and high-temperature applications.
Manufactured to ISO P0-P6 tolerance classes. Dimensional accuracy and running accuracy are 100% verified before shipment, with full batch traceability records.
Comprehensive sealing options: open, shielded (Z/2Z), rubber sealed (RS/2RS), and labyrinth variants. SKF V-rings and radial shaft seals available as integrated solutions.
LGMT 2/3 general purpose grease for most applications. LGEP 2 for heavy loads, LGHP 2 for high temperatures. SKF automatic lubricators (SYSTEM 24) for continuous re-lubrication.
Correct mounting is critical. SKF TMFT 36 fitting tool kit, induction heaters (TIH 030M/100M), and laser alignment tools ensure damage-free installation and maximum service life.
SKF Microlog and Enlight sensors for vibration, temperature, and speed monitoring. Enable predictive maintenance strategies to minimize unplanned downtime and optimize bearing replacement intervals.
| Parameter | Details |
|---|---|
| Model NO. | NN 3022 KTN9/SPVR522 |
| Brand Name | SKF |
| Selling Units | Single Item |
| Inner Diameter | 110 mm |
| Number of Row | Double Row |
| Package Size Per Batch | 10X10X10 cm |
| Gross Weight Per Batch | 0.250 Kg |
| Seals Type | Open |
| Origin | China |
| Industry | Typical Equipment |
|---|---|
| Manufacturing | CNC Machine Tools, Gearboxes, Electric Motors |
| Industrial Machinery | Spindles, Conveyors, Material Handling Equipment |
| Steel & Metallurgy | Rolling Mills, Processing Lines |
| Power Generation | Generators, Compressors |
Industrial machinery operators know the cost of unexpected downtime—especially when caused by counterfeit bearings that fail prematurely. Many OEMs struggle with multi-tier distributors stretching lead times by 30-50%, making production scheduling nearly impossible. The SKF NN 3022 KTN9/SPVR522 double row cylindrical roller bearing is engineered to address these critical pain points in heavy-duty applications.
As an official SKF authorized distributor, we ensure every NN 3022 KTN9/SPVR522 bearing comes with complete certification and traceability documentation, eliminating customs clearance obstacles and quality disputes. Our large centralized warehouse maintains stock of this high performance SKF roller bearing, enabling direct delivery that cuts traditional supply chain delays by half. The open type cylindrical bearing design makes it ideal for industrial machinery requiring precise radial load handling and easy maintenance access.
The NN 3022 KTN9/SPVR522 excels in applications with heavy radial loads and moderate speeds—common in gearboxes, machine tool spindles, and conveyor systems. Its double row roller bearing configuration provides superior rigidity and load distribution compared to single row designs, maintaining alignment even under variable operating conditions. With an inner diameter of 110mm, this SKF cylindrical roller bearing fits standard industrial shafts while delivering the durability required for continuous production environments.
The NN 3022 KTN9/SPVR522 incorporates SKF's proprietary KTN9 cage design, which optimizes roller guidance and reduces friction for improved energy efficiency. The SP precision class ensures minimal radial runout, critical for maintaining accuracy in CNC machining operations. As an open type cylindrical bearing, it allows for easy relubrication, extending service intervals in dusty or high-temperature industrial settings. The bearing's dimensional stability under thermal expansion makes it suitable for equipment operating across wide temperature ranges.
Choosing unauthorized SKF NN 3022 bearing sources may seem cost-effective initially, but the risks include catastrophic failure, production line shutdowns, and potential damage to expensive machinery components. A single counterfeit bearing failure can result in downtime costs exceeding 50 times the bearing's value. Our genuine SKF products adhere to ISO 9001 and SKF global standards, with full batch consistency that minimizes vibration, noise, and premature wear—ultimately lowering your total cost of ownership.
With 60+ countries served and a SKF-certified technical team, we provide more than just products. Our vertical distribution model eliminates middlemen, ensuring stable pricing and delivery. Every bearing undergoes pre-shipment inspection, and our dedicated account managers provide end-to-end support from选型 to after-sales service. We offer customized OEM schemes, including small-batch trials and long-term supply agreements with reserved inventory, specifically designed for production-oriented enterprises.
Don't let bearing issues disrupt your production schedule. Whether you need a single replacement or bulk inventory for your OEM line, our direct distribution ensures you receive genuine SKF quality without unnecessary delays. Send your order details now to secure current stock and minimize equipment downtime.
Q: Is this SKF NN 3022 KTN9/SPVR522 bearing 100% genuine?
A: Yes, as an official SKF authorized distributor, every bearing comes with complete traceability documentation and brand certification, verifiable through SKF's official channels.
Q: How can I confirm this bearing fits my equipment?
A: Provide your equipment model or application parameters (load, speed, temperature) and our SKF-certified technical team will verify compatibility at no cost.
Q: What is the warranty policy for this bearing?
A: All SKF products are backed by the manufacturer's warranty covering manufacturing defects. We provide full support for warranty claims and replacement processing.
Q: What is the minimum order quantity?
A: We accept orders for 1 single item, making it easy to source emergency replacement bearings for maintenance needs.
Q: How quickly can you ship this bearing?
A: In-stock bearings ship within 3-7 business days via your preferred logistics method. We prioritize emergency orders for critical downtime situations.
Q: How can I verify the authenticity of my bearing?
A: Each bearing includes SKF's proprietary packaging with security features, laser-etched part numbers, and batch codes. We provide full traceability documents for verification through SKF's official database.
Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we'll respond within 24 hours.
As an officially authorized SKF distributor, every bearing we supply carries full documentation from SKF's global manufacturing network -- with complete batch traceability from factory to your facility.
Every shipment includes official SKF certification of origin, verifying product authenticity and manufacturing source.
Full production batch traceability maintained for minimum 5 years. Enables quality audit and failure investigation.
Verified annually by SKF. Our authorized status can be confirmed directly through the SKF distributor verification system.
All products carry SKF manufacturer warranty. Defective products are replaced or refunded -- no questions asked.
SKF QR code and holographic seal on every package. Verify authenticity instantly via SKF's official verification portal.
Authorized Distributor
Shanghai Dunyu Bearing
Official SKF Authorized Distributor
ISO 9001
SKF Authorized
Full Traceability
All products shipped in original SKF packaging with anti-counterfeit seal, QR code, and batch label intact.
Standard export carton for small orders. Custom wooden crates with moisture-proof lining for large/heavy shipments.
Sea freight (FCL/LCL), air freight, and express (DHL/FedEx/UPS). DDP, DAP, CIF, FOB terms all supported.
In-stock items: 1-3 days dispatch. Air freight: 3-7 days door-to-door. Sea freight: 15-35 days by destination.
| Region | Mode | Transit Time | Incoterms |
|---|---|---|---|
| Europe | Sea / Air / Express | 15-25d / 5-7d / 3-5d | DDP · DAP · CIF · FOB |
| North America | Sea / Air / Express | 20-30d / 5-8d / 3-5d | DDP · DAP · CIF · FOB |
| Southeast Asia | Sea / Air / Express | 7-15d / 3-5d / 2-4d | DDP · DAP · CIF · FOB |
| Middle East | Sea / Air / Express | 15-25d / 4-7d / 3-5d | DDP · DAP · CIF · FOB |
| Other Regions | Sea / Air / Express | Upon Confirmation | FOB · CIF · Negotiable |
Every product we supply comes with original SKF packaging including an anti-counterfeit holographic seal and QR code. You can scan the QR code on the SKF official website to verify authenticity. We also provide the SKF Certificate of Origin with every shipment, and our authorized distributor status can be verified directly through SKF's global distributor portal.
There is no strict minimum order quantity for standard catalog items. We support single-piece sample orders for testing and evaluation. For bulk procurement and long-term supply programs, we offer preferential pricing and dedicated inventory reservation. Contact our sales team for a customized procurement plan.
We guarantee a formal quotation with full SKF traceability certification within 24 business hours of receiving your inquiry. For urgent requirements, our team can typically respond within 2 hours during business hours (Mon-Sat, 9:00-18:00 GMT+8). Contact us via WhatsApp for fastest response.
Yes, we fully support DDP, DAP, CIF, and FOB incoterms across 60+ countries. Our logistics team handles all export documentation, customs clearance, and last-mile delivery. We work with leading freight forwarders and express carriers (DHL, FedEx, UPS) to ensure reliable and timely delivery.
Absolutely. Our SKF-certified engineers provide comprehensive technical support including bearing selection, application analysis, failure investigation, and lubrication planning. We can also assist with housing selection, mounting tool recommendations, and condition monitoring solutions. Technical support is available 24/7 via email and WhatsApp.
We accept T/T (bank transfer), L/C (letter of credit) for large orders, and Western Union. Standard terms are 30% deposit with 70% balance before shipment. For established long-term customers with framework agreements, we offer net payment terms. All transactions are conducted in USD or EUR.
All products carry the full SKF manufacturer warranty. In the unlikely event of a defective product, we will arrange replacement or full refund -- no questions asked. Our quality team will also conduct a failure analysis to identify the root cause and prevent recurrence. Please retain the original packaging and documentation for warranty claims.
Still have questions? Chat with our SKF engineers →
Send us your bearing model, quantity, and delivery requirements. Our SKF-certified team will respond with a formal quotation, traceability certificate, and logistics plan.