Mining & Metallurgy
Crushers, mills, conveyors, and smelting equipment under heavy radial/axial loads.
<p>Ensure consistent performance in your general machinery with the <strong>Double Row Angular Contact Ball Bearing 3308-A TN9 Nylon Cage</strong>, designed to minimize downtime through reliable load distribution and high rotational precision. As an authorized SKF distributor, we guarantee full traceability and batch stability, so you can avoid delays and quality concerns in your production line.</p><ul><li>Nylon cage (TN9 designation) reduces friction and heat buildup, extending bearing life in continuous-operation scenarios</li><li>Double row angular contact design handles combined radial and axial loads efficiently, ideal for gearboxes and pumps</li><li>Manufactured to SKF global standards with bearing steel construction, ensuring seamless integration into your existing OEM specifications</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 |
| Production Capacity | 1000000 |
| Industry | Typical Equipment |
|---|---|
| General Machinery | Electric Motors, Gearboxes, Pumps, Fans, Compressors |
| Industrial Manufacturing | Conveying Systems, Machine Tools, Processing Equipment |
Counterfeit bearings in general machinery often fail prematurely, causing unexpected downtime and production line stoppages. Multi-layer distribution channels stretch delivery times by 30–50%, making it hard to align with maintenance schedules. Many suppliers offer no technical support for model selection or installation, leaving buyers to handle costly errors alone.
As an official SKF distributor, we ensure every Double Row Angular Contact Ball Bearing 3308-A TN9 comes with complete traceability documentation, eliminating counterfeit risks. Our large centralized warehouse stocks this Nylon Cage Bearing for immediate dispatch, reducing lead times critical for keeping your general machinery running.
The SKF 3308-A TN9 Nylon Cage Bearing excels in high-speed rotating applications common in general machinery. Its double row angular contact design handles combined radial and axial loads, while the nylon cage provides stable operation at moderate temperatures. This bearing delivers consistent performance in electric motors, gearboxes, and conveyor systems where reliability directly impacts production efficiency.
The 3308-A TN9 Bearing’s precision rating options (P0 to P6) allow matching to application requirements—P5 for higher speed machinery reduces vibration and noise. The nylon cage offers lower friction compared to steel alternatives, improving grease retention and extending maintenance intervals. Its separated structure simplifies installation and replacement, a critical advantage during unplanned repairs. Made from high-grade bearing steel, this SKF Double Row Bearing meets ISO 9001 standards for long-term durability under continuous operation.
Non-genuine Angular Contact Ball Bearings may cost less upfront but often lead to higher total expenses. Early failure risks damaging expensive equipment components, while incomplete traceability documents can cause customs clearance delays for exported machinery. SKF-certified bearings undergo rigorous testing, ensuring they meet global standards for batch consistency—reducing the likelihood of premature wear and unplanned downtime that erodes profitability.
We operate as an official SKF distributor with full-process quality management compliant with ISO 9001 and SKF global standards. Our SKF-certified technical team provides free model selection support based on your machinery’s working conditions. With a centralized warehouse and global door-to-door logistics, we serve 60+ countries, offering stable bulk supply and emergency delivery options. Every bearing comes with brand authorization and traceability certificates, ensuring compliance with export documentation requirements.
Don’t let bearing issues disrupt your production schedule. Send us your bearing model list, application parameters, and required quantity to receive a formal quotation within 24 hours. Our dedicated account manager will guide you through sample testing, small-batch trials, and long-term supply arrangements—ensuring you get the right bearing when you need it.
Q: Are these genuine SKF bearings?
A: Yes, we are an official authorized SKF distributor. Every bearing comes with complete traceability documentation and brand authorization certificates to verify authenticity.
Q: How do I confirm if the 3308-A TN9 is suitable for my equipment?
A: Provide your machinery model or working condition parameters (load, speed, temperature), and our SKF-certified technical team will conduct free model selection verification.
Q: What is the warranty policy?
A: All bearings come with SKF’s original manufacturer warranty, covering manufacturing defects with unconditional replacement or refund.
Q: What is the minimum order quantity?
A: We accept orders starting from 1 piece, supporting both emergency maintenance and small-batch procurement needs.
Q: How long does shipping take?
A: In-stock items are shipped within 3–7 business days. We offer flexible logistics options including DHL, FedEx, UPS, air freight, and sea freight based on your urgency.
Q: How can I verify the bearing’s authenticity?
A: Check the packaging for SKF’s official holographic labels, laser-etched part numbers, and use SKF’s online verification tools. We provide full traceability documents for 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.