Mining & Metallurgy
Crushers, mills, conveyors, and smelting equipment under heavy radial/axial loads.
<p>Ensure robotic precision motion with the <strong>NN3014 KTN/SPW33</strong> SKF cross roller bearing, engineered to deliver ultra-stable rotation in compact automation systems. Its super slim double-row cylindrical design minimizes installation space while maintaining SKF's signature batch consistency—critical for avoiding production line delays in high-precision applications.</p><ul><li>70mm inner diameter and 0.100kg single weight optimize load distribution for robotic articulation</li><li>Open seal structure allows for customized lubrication to match specific working conditions</li><li>Directly sourced from authorized SKF distributor with full traceability documentation for seamless compliance</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 | -- | Cross 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. | -- | -- |
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. | NN3014 KTN/SPW33 |
| Type | Roller |
| Number of Row | Double Row |
| Inner Diameter (d) | 70 mm |
| Single Gross Weight | 0.100 kg |
| Structure | Cylindrical |
| Seals Type | Open |
| Trademark | SKF |
| Origin | China |
| Industry | Typical Equipment |
|---|---|
| Robotics | Industrial robots, robotic arms, precision manipulators |
| Automation | Assembly line robots, automated guided vehicles (AGVs) |
| Precision Manufacturing | CNC machine tool spindles, measuring equipment |
Robotic OEMs and maintenance teams often face critical challenges with precision bearings: counterfeit products causing premature failure, multi-tier distribution delays disrupting production schedules, and insufficient technical support leading to incorrect installations. These issues directly impact your robotic systems' accuracy and uptime, resulting in costly downtime and compromised performance.
As an official SKF authorized distributor, we provide the NN3014 KTN/SPW33 super slim cross roller bearing – a specialized solution designed to address these pain points. With our large centralized warehouse, this SKF cross roller bearing is available for immediate dispatch, ensuring your production lines stay operational. The double-row cylindrical structure delivers exceptional radial load capacity, making it ideal for robotic joint applications where precision and compact design are non-negotiable.
The NN3014 KTN/SPW33 excels in high-precision robotic systems requiring smooth rotation and minimal space. Its super slim design allows integration into compact robotic joints, while the open seal type ensures low friction operation – critical for maintaining positional accuracy in repetitive motion tasks. Whether used in industrial robotic arms or automated assembly equipment, this bearing maintains consistent performance under varying load conditions, supporting the reliability your production processes demand.
The NN3014 KTN/SPW33's technical specifications directly contribute to its superior performance in robotic applications. The 70 mm inner diameter provides a stable mounting interface, while the double-row cylindrical roller design distributes loads evenly across contact surfaces, reducing stress concentrations. At 0.100 kg, its lightweight construction minimizes inertial forces during rapid acceleration/deceleration – a key factor in robotic arm responsiveness. The SPW33 suffix indicates SKF's precision manufacturing standards, ensuring tight tolerances that meet the stringent requirements of precision robotics.
Choosing genuine SKF cross roller bearings over gray-market alternatives eliminates hidden costs associated with counterfeits. Non-genuine bearings often fail prematurely due to substandard materials and manufacturing, leading to unplanned downtime, production losses, and potential damage to expensive robotic components. Our 100% genuine SKF products come with full traceability documentation, ensuring compliance with international quality standards and protecting your investment in automated equipment.
With over a decade of experience as an SKF official authorized distributor, we serve industrial equipment OEMs and maintenance providers in 60+ countries. Our SKF-certified technical team offers free model selection support based on your robotic system's working conditions, ensuring optimal bearing performance. We maintain dedicated inventory for critical components like the NN3014 KTN/SPW33, enabling emergency delivery to minimize production disruption. Every bearing undergoes pre-shipment quality verification, and we provide comprehensive after-sales technical support throughout the product lifecycle.
Don't let bearing-related issues disrupt your robotic operations. Send us your NN3014 KTN/SPW33 quantity requirements and application details – our team will confirm stock availability and provide a formal quotation within 24 hours. With our direct SKF supply chain, you get genuine bearings delivered fast, keeping your robotic systems running at peak performance.
Q: Are these genuine SKF bearings?
A: Yes, we are an official SKF authorized distributor. Every NN3014 KTN/SPW33 bearing comes with complete traceability documentation and brand authorization certificates.
Q: How can I confirm this bearing fits my robotic application?
A: Provide your robotic system model or working condition parameters (load, speed, temperature), and our SKF-certified technical team will verify compatibility at no cost.
Q: What is the warranty policy?
A: All SKF bearings are covered by the manufacturer's warranty against manufacturing defects. We provide full support for warranty claims and replacement.
Q: What is the minimum order quantity?
A: We accept orders for 1 piece, making us ideal for both emergency maintenance and small-batch production needs.
Q: How quickly can you ship?
A: The NN3014 KTN/SPW33 is stocked in our centralized warehouse, enabling dispatch within 3-7 business days via your preferred logistics provider.
Q: How do I verify bearing authenticity?
A: Each bearing includes SKF's original packaging with security features, laser-etched part numbers, and traceability codes verifiable through official channels. We provide complete documentation with every order.
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.