Mining & Metallurgy
Crushers, mills, conveyors, and smelting equipment under heavy radial/axial loads.
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100% Genuine SKF
Full Traceability
ISO 9001 Certified
SKF Authorized
Angular Contact Bearing
Double Row Angular Contact Ball Bearing 3309-A TN9 Nylon Cage for Industrial Equipment
Double Row Angular Contact Ball Bearing 3309-A TN9 Nylon Cage for Industrial Equipment
In Stock · Ready to Ship
<p>Ensure your industrial equipment runs with uncompromising precision and longevity using SKF's <strong>Double Row Angular Contact Ball Bearing 3309-A TN9</strong> with a durable nylon cage. This high-performance solution minimizes downtime by handling combined radial and axial loads seamlessly, making it ideal for heavy-duty machinery where stability is non-negotiable.</p><ul><li>Engineered with SKF's signature bearing steel and P0-P6 precision ratings, it delivers consistent performance even in demanding operating conditions</li><li>Nylon cage design reduces friction and heat buildup, extending service life while maintaining quiet operation</li><li>Backed by SKF's global quality standards and our authorized distribution guarantee, ensuring full traceability and compliance for your production needs</li></ul>
Bore (d)
--
Outer Dia. (D)
--
Width (B)
--
Dynamic C
--
Static Câ‚€
--
Speed Limit
--
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
Full Specifications
Complete Technical Parameters
Double Row Angular Contact Ball Bearing 3309-A TN9 Nylon Cage for Industrial Equipment -- Parameter Sheet
SKF · Angular Contact Bearing
| 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. | -- | -- |
* All specifications are reference values. Contact our SKF engineers for application-specific confirmation.
Application Scenarios
Compatible Industrial Applications
Engineered for demanding industrial environments, this SKF bearing series delivers reliable performance across a wide range of heavy-duty and precision applications.
Power Generation
Wind turbines, generators, gearboxes, and turbine main shafts.
Heavy Machinery
Cranes, presses, rolling mills, and large industrial gearboxes.
Marine & Offshore
Ship propulsion systems, deck machinery, and offshore platforms.
Cement & Construction
Kiln drives, ball mills, bucket elevators, and vibrating screens.
Pulp & Paper
Paper machine rolls, dryer sections, and calender rolls.
Full Portfolio
One-Stop SKF Supporting Solutions
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Bearings: Deep Groove · Spherical · Cylindrical · Tapered · Thrust · Angular Contact
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Sealing: Radial shaft seals · V-rings · Labyrinth seals · Bearing isolators
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Lubrication: LGMT 2/3 grease · Automatic lubricators · Centralized systems
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Mounting Tools: Induction heaters · Fitting kits · TMFT 36 · Alignment tools
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Housings: Plummer blocks · Flanged housings · Split housings · Adaptor sleeves
Need Application Advice?
SKF-Certified Engineer
Selection · Failure analysis · Technical support
Technical Expertise
SKF Global Standards & Supporting Solutions
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.
Internal Design
SKF E1 Geometry
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.
ISO / ABEC Standards
Precision Tolerance
Manufactured to ISO P0-P6 tolerance classes. Dimensional accuracy and running accuracy are 100% verified before shipment, with full batch traceability records.
SKF Sealing Systems
Sealing Solutions
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.
SKF Lubrication Systems
Lubrication Planning
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.
SKF Maintenance Tools
Mounting & Alignment
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.
Predictive Maintenance
Condition Monitoring
SKF Microlog and Enlight sensors for vibration, temperature, and speed monitoring. Enable predictive maintenance strategies to minimize unplanned downtime and optimize bearing replacement intervals.
Product Details
Product Specifications
| 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 |
Application Industries
| Industry | Typical Equipment |
|---|---|
| Industrial Machinery | CNC Machines, Gearboxes, Electric Motors |
| Automotive Manufacturing | Assembly Line Conveyors, Robotic Arms |
| General Engineering | Pumps, Fans, Compressors |
| Material Handling | Conveyor Systems, Elevators |
Stop Production Delays with Genuine SKF 3309-A TN9 Double Row Angular Contact Ball Bearing
OEM manufacturers know the cost of a single bearing failure: unplanned downtime, maintenance overtime, and missed production deadlines. Gray market bearings often lack proper traceability, leading to customs hold-ups and quality disputes. Multi-tier distribution channels stretch lead times by 30-50%, making it impossible to align with tight production schedules.
Genuine SKF 3309-A TN9 Bearings: In Stock and Ready for Immediate Shipment
As an official SKF authorized distributor, we offer the Double Row Angular Contact Ball Bearing 3309-A TN9 with full traceability documentation. Our large centralized warehouse ensures stock availability for quick turnaround, eliminating the delays caused by traditional distribution layers. This Nylon Cage Bearing is engineered for industrial equipment requiring reliable radial and axial load handling, such as electric motor spindles and gearbox assemblies.
Optimal Performance in Demanding Industrial Conditions
The SKF 3309-A Angular Contact Ball Bearing excels in applications with combined radial and axial loads, operating at moderate to high speeds. Its double row design provides higher rigidity and load-carrying capacity compared to single row alternatives, making it ideal for precision machinery where shaft alignment and stability are critical. The nylon cage reduces friction and heat generation, enhancing performance in continuous operation scenarios.
Technical Features That Ensure Reliable Operation
The 3309-A TN9 Bearing incorporates several key technical attributes that directly impact equipment performance. Its bearing steel construction delivers excellent durability and resistance to fatigue under cyclic loads. Available precision ratings from P0 to P2 allow customization based on application requirements—P2 grade for high-precision CNC spindles, P0 for general industrial use. The double row angular contact structure enables the bearing to accommodate axial loads in both directions, while the nylon cage material ensures smooth ball circulation and reduced noise levels during operation.
Avoid Hidden Costs: Why Genuine SKF Bearings Matter
Counterfeit bearings may offer lower upfront prices, but they often lead to higher total costs. A study by industrial maintenance firms shows that fake bearings have a failure rate 7 times higher than genuine parts, resulting in average downtime losses of $12,000 per hour for manufacturing lines. Our 100% genuine SKF 3309-A TN9 Bearing complies with ISO 9001 standards, providing consistent performance and longer service life—ultimately reducing your total cost of ownership through fewer replacements and less unplanned downtime.
Why Global OEMs Choose Our SKF Bearing Solutions
Our clients in 60+ countries rely on our official SKF authorization, ensuring every Double Row Angular Contact Ball Bearing can be traced back to SKF's global supply chain. Our ISO 9001 compliant quality management system includes full-process inspections, from incoming material checks to pre-shipment verification. With a SKF-certified technical team, we provide application-specific guidance, helping you select the right bearing for your operating conditions. Our global door-to-door logistics network ensures on-time delivery, whether you need a single unit for emergency repair or bulk orders for production lines.
Packaging & Shipping
- Original SKF packaging with product certification and traceability documents
- Carton pallet packaging for secure transportation
- 3-7 business days delivery for in-stock items
- Flexible shipping options: DHL, FedEx, UPS, air freight, or sea freight
- Real-time logistics tracking provided for all shipments
- Minimum order quantity: 1 unit, supporting both emergency repairs and bulk procurement
Get Your SKF 3309-A TN9 Bearing Today
Don't let bearing issues disrupt your production schedule. Send us your bearing model list, operating parameters, and required quantity, and our team will provide a formal quotation within 24 hours. With our ready stock and fast shipping, you can minimize downtime and keep your equipment running at peak efficiency.
Frequently Asked Questions
Q: Are these genuine SKF bearings?
A: Yes, we are an official authorized SKF distributor. Every bearing comes with full traceability documentation and brand authorization certificates to confirm authenticity.
Q: How can I confirm if the 3309-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 verify compatibility and provide professional选型建议.
Q: What is your warranty policy?
A: We adhere to SKF's official warranty standards. Any manufacturing defects will be replaced unconditionally, with full after-sales support for claims processing.
Q: What is the minimum order quantity?
A: We accept orders starting from 1 unit, allowing for emergency maintenance needs as well as small-batch trials before mass production.
Q: How long does shipping take?
A: In-stock bearings are shipped within 3-7 business days. We offer multiple logistics options including DHL, FedEx, UPS, air, and sea freight to match your delivery timeline requirements.
Q: How can I verify the authenticity of the bearing?
A: Genuine SKF bearings feature laser-etched markings, security labels, and unique batch codes. We provide full traceability documentation, and you can cross-verify using SKF's official authentication tools.
Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we'll respond within 24 hours.
Authenticity & Warranty
Genuine SKF Traceability & Quality Commitment
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.
SKF Certificate of Origin
Every shipment includes official SKF certification of origin, verifying product authenticity and manufacturing source.
Batch Traceability Records
Full production batch traceability maintained for minimum 5 years. Enables quality audit and failure investigation.
SKF Authorized Distributor Status
Verified annually by SKF. Our authorized status can be confirmed directly through the SKF distributor verification system.
Quality Warranty
All products carry SKF manufacturer warranty. Defective products are replaced or refunded -- no questions asked.
Anti-Counterfeit Verification
SKF QR code and holographic seal on every package. Verify authenticity instantly via SKF's official verification portal.
Authorized Distributor
DY
Shanghai Dunyu Bearing
Official SKF Authorized Distributor
- Auth. Since
- 2010+
- Quality Std.
- ISO 9001
- Coverage
- Full SKF Portfolio
- Verification
- SKF Global Portal
ISO 9001
SKF Authorized
Full Traceability
Logistics & Packaging
Packaging & Global Shipping
Original SKF Packaging
All products shipped in original SKF packaging with anti-counterfeit seal, QR code, and batch label intact.
Export Carton + Wooden Crate
Standard export carton for small orders. Custom wooden crates with moisture-proof lining for large/heavy shipments.
Multi-Modal Shipping
Sea freight (FCL/LCL), air freight, and express (DHL/FedEx/UPS). DDP, DAP, CIF, FOB terms all supported.
Delivery Timeline
In-stock items: 1-3 days dispatch. Air freight: 3-7 days door-to-door. Sea freight: 15-35 days by destination.
Shipping Terms & Regions
| 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 |
Related Products
Related Models & Supporting Components
FAQ
Frequently Asked Questions
How do I verify the product is 100% genuine SKF?
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.
What is the minimum order quantity (MOQ)?
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.
How long does it take to receive a formal quotation?
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.
Do you support DDP (Delivered Duty Paid) shipping?
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.
Can you provide technical support for bearing selection?
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.
What are the payment terms?
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.
What happens if I receive a defective product?
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 →
Start Your Procurement
Get a Formal Quote
Within 24 Hours.
Send us your bearing model, quantity, and delivery requirements. Our SKF-certified team will respond with a formal quotation, traceability certificate, and logistics plan.
- 100% Genuine SKF with Certificate of Origin
- Formal quotation within 24 hours
- Sample orders & bulk supply supported
- DDP/DAP/CIF to 60+ countries
- Dedicated SKF-certified account manager
Send Inquiry -- SKF Bearing Specialist Online