Mining & Metallurgy
Crushers, mills, conveyors, and smelting equipment under heavy radial/axial loads.
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100% Genuine SKF
Full Traceability
ISO 9001 Certified
SKF Authorized
Cylindrical Roller Bearing
Cylindrical Roller Bearing NN 3014 KTN/Spvr521 for Industrial OEM Machinery, Double Row Open Type
Cylindrical Roller Bearing NN 3014 KTN/Spvr521 for Industrial OEM Machinery, Double Row Open Type
In Stock · Ready to Ship
<p>Ensure seamless industrial machinery performance with the <strong>SKF Cylindrical Roller Bearing NN 3014 KTN/Spvr521</strong>, a double row open type solution designed to minimize downtime and enhance operational reliability. This precision-engineered bearing delivers consistent load distribution and high radial rigidity, making it ideal for OEM applications where batch consistency and traceable quality are non-negotiable.</p><ul><li>70mm inner diameter optimized for direct integration with industrial machinery shafts, reducing installation complexity and alignment issues</li><li>Double row design provides superior load-carrying capacity compared to single row alternatives, extending equipment service life</li><li>Open type construction allows for easy lubrication maintenance, ensuring peak performance even in continuous operation scenarios</li></ul><p>Backed by SKF's global standards and our authorized distribution network, this bearing ensures full documentation traceability and reliable supply to keep your production lines running smoothly.</p>
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
Cylindrical Roller Bearing NN 3014 KTN/Spvr521 for Industrial OEM Machinery, Double Row Open Type -- 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
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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. | NN 3014 KTN/sPVR521 |
| Selling Units | Single Item |
| Inner Diameter (d) | 70 mm |
| Number of Row | Double Row |
| Package Size Per Batch | 10×10×10 cm |
| Gross Weight Per Batch | 0.250 Kg |
| Seals Type | Open |
| Trademark | SKF |
| Origin | China |
Application Industries
| Industry | Typical Equipment |
|---|---|
| General Machinery | Electric Motors, Gearboxes, Pumps, Fans |
| Industrial Manufacturing | CNC Machine Tools, Spindles, Conveyors |
| Automotive Production | Assembly Line Equipment, Material Handling Systems |
| Heavy Industry | Compressors, Hydraulic Systems |
Stop Equipment Downtime with Genuine SKF NN 3014 Cylindrical Roller Bearings
OEM manufacturers know the cost of bearing failure—unplanned production stops, maintenance overtime, and delayed orders. Counterfeit bearings often fail within months, while multi-tier distributors stretch lead times by 30–50%, leaving your production line waiting. When your machinery needs reliable performance, choosing the right supplier matters as much as the bearing itself.
Genuine SKF NN 3014 Bearings: In Stock and Traceable
As an official SKF distributor, we deliver the NN 3014 KTN/sPVR521 Cylindrical Roller Bearing with full traceability documentation, eliminating customs clearance delays and quality disputes. Our large centralized warehouse ensures this double row open type bearing is ready for immediate dispatch, aligning with your production schedules. Designed for industrial machinery, it provides the stability required for high-precision applications like gearboxes and electric motors.
Engineered for High-Performance Industrial Applications
The NN 3014 KTN/sPVR521 thrives in demanding conditions—handling radial loads in high-speed rotating equipment while maintaining alignment precision. Its double row design increases radial load capacity, making it ideal for heavy-duty machinery in manufacturing and automotive production lines. Open type construction allows for easy lubrication maintenance, critical in continuous-operation environments where downtime is costly.
Key Technical Features Driving Reliability
Every aspect of the NN 3014 KTN/sPVR521 is engineered for durability. The double row configuration distributes load evenly across the raceways, extending service life in high-stress applications. With an inner diameter of 70 mm, it fits standard industrial shafts, ensuring compatibility with common machinery designs. SKF's precision manufacturing guarantees consistent performance batch after batch, a critical factor for OEMs requiring uniform component quality.
Avoid Hidden Costs: Why Authenticity Matters
Counterfeit bearings may seem cheaper upfront, but they cost 5–10 times more in long-term losses. A single bearing failure can halt production for days, resulting in $10,000+ in downtime per hour for manufacturing lines. Our 100% genuine SKF bearings come with certification, reducing failure risks and aligning with ISO 9001 quality standards. By choosing authorized distribution, you avoid liability disputes and ensure compliance with export documentation requirements.
Why Global OEMs Choose Our Bearing Supply
We serve 60+ countries with a SKF-certified technical team that provides pre-sales model selection and post-installation support. Our four-step OEM process ensures transparency: 24-hour quotation with authorization documents, sample testing options, long-term supply agreements with reserved inventory, and dedicated account managers tracking every order. With door-to-door logistics and bulk supply stability, we’ve become the preferred partner for industrial equipment OEMs and maintenance service providers.
Packaging & Shipping
- Original SKF packaging with batch traceability labels and outer carton reinforcement
- 3–7 business days delivery for in-stock items
- Flexible logistics: DHL, FedEx, UPS, air freight, or sea freight options
- Real-time tracking number provided upon dispatch
- Minimum order quantity: 1 piece, supporting emergency repairs and small-batch trials
Get Your NN 3014 Bearing Shipped Today
Don’t let bearing delays slow your production. Send us your model list, application parameters, and order volume now—our team will issue a formal quotation with certification within 24 hours. With stock on hand, we can expedite delivery to get your machinery back online faster.
Frequently Asked Questions
Q: Are these genuine SKF bearings?
A: Yes, we are an official SKF authorized distributor. Every NN 3014 KTN/sPVR521 bearing comes with full traceability documentation and brand certification.
Q: How do I confirm this bearing fits my equipment?
A: Provide your equipment model or operating parameters (load, speed, temperature), and our SKF-certified technical team will verify compatibility at no cost.
Q: What is the warranty policy?
A: All bearings come with SKF’s standard manufacturer warranty, covering manufacturing defects with unconditional replacement.
Q: What is the minimum order quantity?
A: We accept orders for 1 piece, ideal for emergency repairs or small-batch production trials.
Q: How quickly can you ship?
A: In-stock bearings ship within 3–7 business days via your preferred logistics (DHL, FedEx, UPS, etc.).
Q: How can I verify the bearing’s authenticity?
A: Each bearing includes SKF’s original packaging withé˜²ä¼ªæ ‡ç¾, laser-etched part numbers, and batch codes traceable through SKF’s official channels. We provide full certification documents with every order.
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