Mining & Metallurgy
Crushers, mills, conveyors, and smelting equipment under heavy radial/axial loads.
<p>Ensure smooth machinery repairs with the <strong>SKF NN3017 TN9/SPW33 Cylindrical Roller Bearing</strong>, designed to deliver reliable performance in repair shop environments. This double row bearing with 85mm inner diameter ensures precise load distribution and reduced downtime, making it ideal for maintaining production continuity in food & beverage and industrial machinery.</p><ul><li>TN9/SPW33 cage design enhances rotational stability under heavy loads, critical for high-precision repair applications</li><li>Genuine SKF quality backed by full traceability documentation, eliminating concerns about counterfeit risks</li><li>Compact 10x10x10cm packaging ensures secure delivery and easy storage, supporting efficient inventory management</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. | NN3017 TN9/SPW33 |
| Single Gross Weight | 0.100kg |
| Selling Units | Single Item |
| Number of Row | Double Row |
| Inner Diameter (d) | 85mm |
| Single Package Size | 10X10X10cm |
| Trademark | SKF |
| Origin | China |
| Industry | Typical Equipment |
|---|---|
| Repair Shops | Machinery Maintenance, Rotating Equipment Repair |
| Food & Beverage | Conveyors, Processing Machines, Mixers |
Repair shops know the cost of equipment downtime—every hour a machine sits idle eats into profits. When sourcing replacement bearings, many face twin frustrations: questionable suppliers offering counterfeit parts that fail prematurely, and authorized distributors with long lead times that extend repair timelines. For critical machinery in food processing or industrial repair, using uncertified bearings isn’t just a risk to performance—it can compromise safety and compliance.
As an official SKF authorized distributor, we stock the SKF NN3017 TN9/SPW33 Cylindrical Roller Bearing to eliminate these delays. This double row bearing with 85mm inner diameter is engineered for the precise radial load handling required in repair shop machinery and food & beverage processing equipment. Our centralized warehouse ensures immediate availability, so you can complete repairs faster and get machines back in operation without waiting for factory orders.
The NN3017 TN9/SPW33 thrives in the variable conditions of repair shops, where equipment often operates under fluctuating loads and speeds. Its double row design provides enhanced radial rigidity, making it ideal for rotating shafts in conveyors, mixers, and processing machinery. Whether repairing a worn motor in a food production line or restoring a critical industrial mixer, this bearing delivers consistent performance under the stress of heavy-duty cyclic operations.
Three key features define the NN3017 TN9/SPW33’s performance: its double row construction distributes radial loads evenly across two sets of rollers, reducing stress on individual components and extending service life. The TN9 cage design—made from polyamide—maintains precise roller spacing even at moderate speeds, minimizing vibration and noise. The SPW33 precision class ensures tight dimensional tolerances, critical for replacing bearings in machinery where shaft alignment directly impacts operational efficiency. Together, these elements deliver the reliability repair shops need to stand behind their work.
Choosing non-genuine bearings to save costs often backfires. Counterfeit SKF bearings typically lack the material quality and manufacturing precision of authentic parts, leading to premature failure. A single bearing failure in a food processing line can contaminate products, trigger regulatory violations, and require costly cleanup—expenses that dwarf the initial savings. Authentic SKF bearings, by contrast, come with full traceability documentation, ensuring compliance with food safety standards and industrial regulations. The long-term reliability of genuine parts reduces total repair costs by minimizing repeat service calls and equipment downtime.
Our 100% authentic SKF bearings are backed by official authorization, with every unit traceable to SKF’s global supply chain. We implement ISO 9001 quality management protocols, including pre-shipment inspection of each bearing to verify dimensions and performance. With a SKF-certified technical team on staff, we provide free model verification to ensure you get the exact bearing for your equipment—no guesswork. Serving over 60 countries, our global logistics network delivers door-to-door, with emergency shipping options for critical repairs. We support small-batch orders, so you can stock the NN3017 TN9/SPW33 for immediate use without overcommitting capital.
Don’t let bearing delays extend your repair timeline. The SKF NN3017 TN9/SPW33 is in stock and ready to ship—order now to minimize equipment downtime. Whether you need a single replacement or want to stock spares, our team will confirm availability and provide a quote within 24 hours.
Q: Are these genuine SKF bearings?
A: Yes, we are an official SKF authorized distributor. Every bearing comes with certification and full traceability documentation to verify authenticity.
Q: How do I confirm this bearing fits my equipment?
A: Provide your equipment model or existing bearing designation, and our SKF-certified technical team will verify compatibility at no cost.
Q: What is the warranty policy?
A: All bearings are covered by SKF’s standard manufacturer warranty, with replacement guaranteed for any manufacturing defects.
Q: What is the minimum order quantity?
A: We accept orders for 1 unit, supporting emergency repair needs without bulk purchasing requirements.
Q: How long does shipping take?
A: In-stock items ship within 3-7 business days. We offer expedited shipping options for urgent repairs.
Q: How can I verify the bearing’s authenticity?
A: Each bearing includes SKF’s original packaging with holographic labels and a unique serial number, verifiable through SKF’s official channels. We also provide authorization certificates upon request.
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.