Mining & Metallurgy
Crushers, mills, conveyors, and smelting equipment under heavy radial/axial loads.
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Full Traceability
ISO 9001 Certified
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Cylindrical Roller Bearing
Double Row Cylindrical Roller Bearing SKF NN3022KTN9/SPVR521 for Industrial Machinery OEM Applications
Double Row Cylindrical Roller Bearing SKF NN3022KTN9/SPVR521 for Industrial Machinery OEM Applications
In Stock · Ready to Ship
<p>Ensure uninterrupted industrial machinery performance with the <strong>SKF NN3022KTN9/SPVR521</strong>, a double row cylindrical roller bearing engineered for precision OEM applications. This SKF-certified solution eliminates supply chain uncertainties by delivering batch-consistent performance and complete traceability documentation, keeping your production schedule on track.</p><ul><li>Double row cylindrical design with open structure minimizes friction in high-load machinery, extending service intervals by 30% compared to standard bearings</li><li>110mm inner diameter and optimized cage configuration (KTN9) provide superior radial load capacity for heavy-duty industrial equipment</li><li>Direct from authorized SKF distributor with ISO 9001 compliance, ensuring 100% genuine parts and dedicated technical support for installation and maintenance</li></ul>
Bore (d)
--
Outer Dia. (D)
--
Width (B)
--
Dynamic C
--
Static Câ‚€
--
Speed Limit
--
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
Full Specifications
Complete Technical Parameters
Double Row Cylindrical Roller Bearing SKF NN3022KTN9/SPVR521 for Industrial Machinery OEM Applications -- Parameter Sheet
SKF · Cylindrical Roller Bearing
| Parameter | Value | Unit / Note |
|---|---|---|
| Bearing Series | -- | Cylindrical Roller Bearing |
| Bore Diameter (d) | -- | mm |
| Outer Diameter (D) | -- | mm |
| Width / Height (B) | -- | mm |
| Dynamic Load Rating (C) | -- | kN |
| Static Load Rating (Câ‚€) | -- | 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. | -- | -- |
* All specifications are reference values. Contact our SKF engineers for application-specific confirmation.
Application Scenarios
Compatible Industrial Applications
Engineered for demanding industrial environments, this SKF bearing series delivers reliable performance across a wide range of heavy-duty and precision applications.
Power Generation
Wind turbines, generators, gearboxes, and turbine main shafts.
Heavy Machinery
Cranes, presses, rolling mills, and large industrial gearboxes.
Marine & Offshore
Ship propulsion systems, deck machinery, and offshore platforms.
Cement & Construction
Kiln drives, ball mills, bucket elevators, and vibrating screens.
Pulp & Paper
Paper machine rolls, dryer sections, and calender rolls.
Full Portfolio
One-Stop SKF Supporting Solutions
-
Bearings: Deep Groove · Spherical · Cylindrical · Tapered · Thrust · Angular Contact
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Sealing: Radial shaft seals · V-rings · Labyrinth seals · Bearing isolators
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Lubrication: LGMT 2/3 grease · Automatic lubricators · Centralized systems
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Mounting Tools: Induction heaters · Fitting kits · TMFT 36 · Alignment tools
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Housings: Plummer blocks · Flanged housings · Split housings · Adaptor sleeves
Need Application Advice?
SKF-Certified Engineer
Selection · Failure analysis · Technical support
Technical Expertise
SKF Global Standards & Supporting Solutions
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.
Internal Design
SKF E1 Geometry
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.
ISO / ABEC Standards
Precision Tolerance
Manufactured to ISO P0-P6 tolerance classes. Dimensional accuracy and running accuracy are 100% verified before shipment, with full batch traceability records.
SKF Sealing Systems
Sealing Solutions
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.
SKF Lubrication Systems
Lubrication Planning
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.
SKF Maintenance Tools
Mounting & Alignment
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.
Predictive Maintenance
Condition Monitoring
SKF Microlog and Enlight sensors for vibration, temperature, and speed monitoring. Enable predictive maintenance strategies to minimize unplanned downtime and optimize bearing replacement intervals.
Product Details
Product Specifications
| Parameter | Details |
|---|---|
| Model NO. | NN3022KTN9/SPVR521 |
| Type | Roller |
| Selling Units | Single Item |
| Single Gross Weight | 0.250 Kg |
| Inner Diameter | 110 mm |
| Number of Row | Double Row |
| Structure | Cylindrical |
| Seals Type | Open |
| Trademark | SKF |
| Origin | China |
Application Industries
| Industry | Typical Equipment |
|---|---|
| General Machinery | Machine Tool Spindles, Gearboxes, Reducers |
| Industrial Manufacturing | Conveyor Systems, Compressors, Pumps |
| Automotive | Transmission Assemblies, Axle Units |
| Rail Transit | Train Bogies, Track Maintenance Machinery |
Stop Production Delays with Genuine SKF NN3022KTN9/SPVR521 Bearings
Industrial machinery OEMs and maintenance teams often face costly downtime from counterfeit bearings that fail prematurely or inconsistent supply chains that disrupt production schedules. In high-precision applications like machine tool spindles and gearboxes, using non-traceable components can lead to quality disputes and customs clearance issues, eating into profit margins and delaying project timelines.
Genuine SKF Double Row Cylindrical Roller Bearings In Stock
As an official SKF authorized distributor, we provide the authentic NN3022KTN9/SPVR521 double row cylindrical roller bearing designed for industrial machinery OEM applications. This bearing combines high radial load capacity with precise running accuracy, making it ideal for heavy-duty equipment such as conveyor systems and machine tool spindles. Our centralized warehouse ensures stable bulk supply, while our streamlined distribution channel eliminates multi-layer delays, allowing us to meet your production scheduling needs efficiently.
Engineered for High-Performance Industrial Applications
The SKF NN3022KTN9/SPVR521 cylindrical roller bearing excels in applications requiring high radial load support and rigidity. With its double row design and open structure, it accommodates heavy loads while maintaining low friction, making it suitable for high-speed rotating machinery like compressors and pumps. Whether operating in standard industrial environments or more demanding conditions, this bearing delivers consistent performance to keep your equipment running smoothly.
Key Technical Features for Reliable Operation
The NN3022KTN9/SPVR521 bearing's 110 mm inner diameter provides a secure fit for shafts in medium to large industrial equipment, ensuring proper power transmission and load distribution. Its double row configuration increases radial load capacity compared to single row designs, making it suitable for heavy-duty applications. The open seal type allows for easy lubrication maintenance, which is essential for extending bearing life in continuous operation. As a genuine SKF product, it adheres to strict global quality standards, ensuring dimensional accuracy and material integrity that directly impact equipment performance and longevity.
Why Genuine SKF Bearings Reduce Total Cost of Ownership
Choosing genuine SKF double row cylindrical roller bearings over gray-market alternatives minimizes the risk of early failure, which can cause expensive equipment damage and unplanned downtime. Counterfeit bearings often lack proper material heat treatment and precision manufacturing, leading to premature wear and potential safety hazards. In contrast, our SKF NN3022KTN9/SPVR521 bearings come with full traceability documentation, ensuring compliance with export requirements and reducing the risk of customs delays. By investing in genuine components, you lower long-term maintenance costs and protect your production efficiency.
Our Commitment to Reliable Bearing Supply
With over a decade of experience as an official SKF distributor, we serve 60+ countries worldwide, providing industrial equipment OEMs and maintenance service providers with authentic bearings and technical support. Our ISO 9001 compliant quality management system includes full-process inspections, from incoming material checks to pre-shipment verification. Our SKF-certified technical team offers application-specific guidance, including model selection and installation advice, to ensure optimal bearing performance. We maintain a large centralized warehouse for immediate availability, and our global door-to-door logistics network ensures fast emergency delivery when you need it most.
Packaging & Shipping
- Original SKF packaging with product certification and traceability documents
- Standard package size: 20.00cm × 20.00cm × 20.00cm
- Package gross weight: 0.300kg per unit
- Global door-to-door logistics via DHL, FedEx, UPS, air, or sea freight
- Real-time shipment tracking provided for all orders
- Minimum order quantity: 1 piece, supporting both emergency repairs and bulk OEM orders
Get Your SKF NN3022KTN9/SPVR521 Bearing Quote Today
Don’t let bearing-related issues slow down your production. Send us your model list, application parameters, and order volume to receive a formal quotation within 24 hours. Our dedicated account managers will guide you through sample testing, small-batch trials, and long-term supply arrangements, ensuring a seamless procurement experience that aligns with your production needs.
Frequently Asked Questions
Q: Are these genuine SKF bearings?
A: Yes, we are an official authorized SKF distributor. Every NN3022KTN9/SPVR521 bearing comes with brand authorization and traceability certificates to ensure authenticity.
Q: How can I confirm if this bearing fits my equipment?
A: Provide your equipment model or working condition parameters (load, speed, temperature) to our SKF-certified technical team for free compatibility verification.
Q: What is the warranty policy?
A: All SKF bearings come with the manufacturer's standard warranty. We offer unconditional replacement for products with manufacturing defects.
Q: What is the minimum order quantity?
A: We accept orders starting from 1 piece, supporting both emergency maintenance and large-scale OEM production requirements.
Q: How long does shipping take?
A: In-stock bearings are typically delivered within 3-7 business days via our global logistics partners (DHL, FedEx, UPS, air, or sea freight).
Q: How can I verify the bearing's authenticity?
A: Each bearing includes original SKF packaging withé˜²ä¼ªæ ‡ç¾, laser marking, and traceability documentation. We also provide official authorization letters upon request.
Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we'll respond within 24 hours.
Authenticity & Warranty
Genuine SKF Traceability & Quality Commitment
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.
SKF Certificate of Origin
Every shipment includes official SKF certification of origin, verifying product authenticity and manufacturing source.
Batch Traceability Records
Full production batch traceability maintained for minimum 5 years. Enables quality audit and failure investigation.
SKF Authorized Distributor Status
Verified annually by SKF. Our authorized status can be confirmed directly through the SKF distributor verification system.
Quality Warranty
All products carry SKF manufacturer warranty. Defective products are replaced or refunded -- no questions asked.
Anti-Counterfeit Verification
SKF QR code and holographic seal on every package. Verify authenticity instantly via SKF's official verification portal.
Authorized Distributor
DY
Shanghai Dunyu Bearing
Official SKF Authorized Distributor
- Auth. Since
- 2010+
- Quality Std.
- ISO 9001
- Coverage
- Full SKF Portfolio
- Verification
- SKF Global Portal
ISO 9001
SKF Authorized
Full Traceability
Logistics & Packaging
Packaging & Global Shipping
Original SKF Packaging
All products shipped in original SKF packaging with anti-counterfeit seal, QR code, and batch label intact.
Export Carton + Wooden Crate
Standard export carton for small orders. Custom wooden crates with moisture-proof lining for large/heavy shipments.
Multi-Modal Shipping
Sea freight (FCL/LCL), air freight, and express (DHL/FedEx/UPS). DDP, DAP, CIF, FOB terms all supported.
Delivery Timeline
In-stock items: 1-3 days dispatch. Air freight: 3-7 days door-to-door. Sea freight: 15-35 days by destination.
Shipping Terms & Regions
| 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 |
Related Products
Related Models & Supporting Components
FAQ
Frequently Asked Questions
How do I verify the product is 100% genuine SKF?
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.
What is the minimum order quantity (MOQ)?
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.
How long does it take to receive a formal quotation?
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.
Do you support DDP (Delivered Duty Paid) shipping?
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.
Can you provide technical support for bearing selection?
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.
What are the payment terms?
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.
What happens if I receive a defective product?
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 →
Start Your Procurement
Get a Formal Quote
Within 24 Hours.
Send us your bearing model, quantity, and delivery requirements. Our SKF-certified team will respond with a formal quotation, traceability certificate, and logistics plan.
- 100% Genuine SKF with Certificate of Origin
- Formal quotation within 24 hours
- Sample orders & bulk supply supported
- DDP/DAP/CIF to 60+ countries
- Dedicated SKF-certified account manager
Send Inquiry -- SKF Bearing Specialist Online