Mining & Metallurgy
Crushers, mills, conveyors, and smelting equipment under heavy radial/axial loads.
<p>Ensure smooth machinery operation with the <strong>Double Row Angular Contact Ball Bearing 3310-A TN9</strong>, engineered to deliver exceptional radial and axial load handling for industrial applications. As an official SKF distributor, we guarantee 100% genuine bearings with full traceability documentation, eliminating customs clearance delays and quality concerns.</p><ul><li>Precision-machined nylon cage (TN9) reduces friction and heat buildup, extending service life in high-speed rotating equipment</li><li>Double row design provides superior rigidity for machinery requiring stable performance under combined loads</li><li>Compliant with ISO 9001 standards, backed by SKF-certified technical support for installation and maintenance guidance</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 | -- | Angular Contact 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. | Double Row Angular Contact Ball Bearing |
| Separated | Separated |
| Rows Number | Double |
| Load Direction | Radial Bearing |
| Material | Bearing Steel |
| Precision Rating | P0 P2 P4 P5 P6 |
| Type | Ball |
| Structure | Angular Contact |
| Cage | Steel Cage.Copper Cage.Nylon Cage |
| Lubrication | Oil Grease |
| Transport Package | Carton Pallet |
| Specification | As Your Request |
| Trademark | SKF |
| Origin | Jiangsu China |
| Industry | Typical Equipment |
|---|---|
| General Machinery | Gearboxes, Pumps, Compressors, Fans |
| Industrial Equipment | Machine Tools, Conveyors, Material Handling Systems |
| Automotive Manufacturing | Assembly Line Machinery, Robotics, Precision Drives |
| Power Generation | Generator Sets, Turbines, Auxiliary Equipment |
OEM manufacturers know the frustration: counterfeit bearings failing prematurely, causing unexpected downtime and production line shutdowns. Multi-layer distribution channels stretch delivery times by 30-50%, making it impossible to align with tight production schedules. When technical support is missing, selecting the wrong bearing model leads to increased energy consumption and shortened service life.
As an official SKF authorized distributor, we ensure every Double Row Angular Contact Ball Bearing 3310-A TN9 comes with full traceability documentation, eliminating customs clearance issues and quality disputes. Our large centralized warehouse stocks this Nylon Cage Bearing, ready for immediate dispatch to keep your machinery running. Whether for high-speed spindles or heavy-load gearboxes, this bearing delivers consistent performance backed by ISO 9001 and SKF global standards.
This Double Row Angular Contact Ball Bearing excels in machinery applications requiring simultaneous radial and axial load handling. Its angular contact design provides high rigidity, making it ideal for precision equipment operating at moderate to high speeds. The Nylon Cage offers low friction and excellent heat dissipation, ensuring stable operation even in continuous-duty scenarios typical of industrial manufacturing lines.
The SKF 3310-A TN9 Bearing combines critical engineering elements for reliable performance. Its double row structure increases load-carrying capacity compared to single row designs, while the precision rating options (P0 to P6) allow customization for accuracy requirements—from general machinery (P0) to high-precision machine tools (P5/P6). The Nylon Cage material reduces noise and vibration, enhancing equipment longevity by maintaining consistent ball spacing during rotation. Bearing Steel construction ensures durability under heavy loads, while oil-grease lubrication flexibility adapts to diverse operating conditions.
Choosing authentic SKF Angular Contact Ball Bearings over gray-market alternatives reduces long-term costs significantly. Counterfeit bearings often fail within 30-50% of the expected service life, leading to repeated replacement cycles, unplanned maintenance, and production losses that far exceed initial price savings. Our 100% genuine SKF products come with complete certification, ensuring compliance with export quality documentation and reducing liability risks. The stable batch consistency of authorized distribution eliminates performance variations that cause premature equipment wear.
With over 60 countries served, we bring proven expertise as a comprehensive industrial bearing OEM supplier. Our SKF-certified technical team provides free model selection support based on your working conditions, preventing costly选型 mistakes. We maintain dedicated inventory for long-term partners and offer global door-to-door logistics, with a dedicated account manager tracking every order from warehouse to delivery. All bearings undergo full-process quality management, including pre-shipment inspection, to ensure compliance with SKF global standards.
Every day of equipment downtime costs production hours and revenue. Send us your bearing model list, application parameters, and required quantity now, and we’ll issue a formal quotation within 24 hours—complete with brand authorization and traceability certificates. Our sample testing and small-batch trial order options let you verify quality before full production commitment.
Q: Are these genuine SKF bearings?
A: Yes, we are an official authorized SKF distributor. Every bearing comes with complete traceability documentation to confirm authenticity, including brand authorization certificates.
Q: How can I confirm if the 3310-A TN9 is suitable for my equipment?
A: Provide your equipment model, operating speed, load conditions, and temperature range. Our SKF-certified technical team will conduct free model selection verification to ensure compatibility.
Q: What is the warranty policy?
A: All bearings are covered by SKF's original warranty, which includes unconditional replacement for manufacturing defects.
Q: What is the minimum order quantity?
A: We accept orders starting from 1 piece, making us ideal for emergency maintenance and small-batch procurement needs.
Q: How quickly can you ship?
A: In-stock bearings are shipped within 3-7 business days. We offer DHL, FedEx, UPS, air, and sea freight options to meet your delivery timeline.
Q: How do I verify the bearing's authenticity upon receipt?
A: Check the packaging for SKF anti-counterfeit labels, verify the laser-etched part number against the certificate, and use SKF's official verification tools. We provide complete traceability documents for all orders.
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.