Mining & Metallurgy
Crushers, mills, conveyors, and smelting equipment under heavy radial/axial loads.
<p>Ensure uninterrupted industrial machinery performance with the <strong>SKF NN 3024 TN3/SPW33</strong> double-row cylindrical roller bearing—engineered for durability in high-load applications. As an official SKF distributor, we deliver 100% genuine bearings with full traceability, eliminating compliance risks in global supply chains.</p><ul><li>Double-row cylindrical design with open structure optimizes radial load capacity (120mm inner diameter) for heavy-duty machinery</li><li>Precision-engineered to reduce downtime through stable batch consistency and reliable performance under continuous operation</li><li>Comes with SKF-certified quality documentation for seamless customs clearance and production scheduling alignment</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 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. | NN 3024 TN3/SPW33 |
| Type | Roller |
| Number of Row | Double Row |
| Inner Diameter | 120 mm |
| Selling Units | Single Item |
| Single Gross Weight | 0.250 kg |
| Structure | Cylindrical |
| Seals Type | Open |
| Trademark | SKF |
| Origin | China |
| Industry | Typical Equipment |
|---|---|
| Industrial Machinery | CNC Machine Tools, Gearboxes, Electric Motors, Pumps, Fans |
| Manufacturing | Production Line Conveyors, Assembly Equipment, Printing Machinery |
| General Machinery | Compressors, Hydraulic Systems, Material Handling Equipment |
OEM manufacturers know the cost of downtime—counterfeit bearings failing prematurely, multi-tier distribution causing delivery delays, and technical support gaps leaving your team to troubleshoot alone. When your production line grinds to a halt due to a bearing failure, every hour lost eats into your bottom line and compromises delivery deadlines.
Our SKF NN 3024 TN3/SPW33 double-row cylindrical roller bearing addresses these pain points directly. As an official SKF distributor, we ensure 100% genuine products with full traceability documentation, eliminating counterfeit risks. Our large centralized warehouse maintains stock for immediate dispatch, reducing lead times by 30-50% compared to traditional distribution channels. This bearing is engineered for industrial machinery applications requiring high radial load capacity and precise operation, such as motor spindles and gearboxes.
The NN 3024 TN3/SPW33 thrives in demanding industrial environments where reliable operation under heavy radial loads is critical. Its double-row cylindrical roller design provides exceptional rigidity and load distribution, making it ideal for high-speed rotating equipment. Whether installed in CNC machine tool spindles or heavy-duty conveyors, this bearing delivers consistent performance even in continuous operation scenarios.
The SKF NN 3024 bearing's technical specifications directly impact its operational performance. Its double-row structure increases radial load capacity compared to single-row designs, allowing it to handle higher stress in industrial machinery. The open seal type minimizes friction in applications where lubrication is regularly maintained, while the cylindrical roller geometry ensures optimized load distribution across contact surfaces. The TN3/SPW33 designation indicates precision manufacturing tolerances, critical for applications requiring minimal vibration and noise during operation.
Choosing genuine SKF bearings over gray-market alternatives protects your operation from costly consequences. Counterfeit bearings often fail within 30-50% of the expected service life, leading to unexpected downtime, repair expenses, and potential damage to connected components. In contrast, our SKF NN 3024 TN3/SPW33 bearing adheres to ISO 9001 and SKF global quality standards, ensuring predictable performance and reducing total cost of ownership through extended service intervals and minimized maintenance requirements.
As an official SKF distributor with operations in 60+ countries, we provide verifiable product traceability for every bearing, including certification documents that simplify customs clearance for international shipments. Our ISO 9001-compliant quality management system includes pre-shipment inspection protocols to ensure dimensional accuracy and performance. Our SKF-certified technical team offers free application analysis to confirm proper bearing selection, while our global logistics network provides door-to-door delivery with real-time shipment tracking. We support small-batch trials and emergency orders, with dedicated account managers overseeing every stage from quotation to after-sales support.
Don’t let bearing issues disrupt your manufacturing schedule. Send us your SKF NN 3024 TN3/SPW33 quantity requirements and application details today, and our team will provide a formal quotation within 24 hours. With stock available for immediate dispatch, we can help minimize your equipment downtime and keep your production line running efficiently.
Q: Are these genuine SKF bearings?
A: Yes, we are an official authorized SKF distributor. Every bearing comes with full traceability documentation and brand certification to verify authenticity.
Q: How can I confirm this bearing fits my equipment?
A: Our SKF-certified technical team can verify compatibility if you provide your equipment model or application parameters (load, speed, operating conditions).
Q: What is your warranty policy?
A: All bearings come with SKF's standard manufacturer warranty covering material and manufacturing defects. We provide full after-sales support for warranty claims.
Q: What is the minimum order quantity?
A: We accept orders for 1 unit, supporting both emergency maintenance needs and small-batch production requirements.
Q: How long does shipping take?
A: In-stock items ship within 3-7 business days. Delivery time depends on destination, with express options available for urgent requirements.
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 that can be verified through official channels.
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.