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 3303-A TN9 Nylon Cage for Industrial Equipment
Double Row Angular Contact Ball Bearing 3303-A TN9 Nylon Cage for Industrial Equipment
In Stock · Ready to Ship
<p>Ensure smooth industrial equipment operation with the <strong>Double Row Angular Contact Ball Bearing 3303-A TN9 Nylon Cage</strong>, designed to deliver superior radial and axial load handling for high-precision machinery. As an official SKF distributor, we guarantee 100% genuine components with full traceability, eliminating compliance risks in global supply chains.</p><ul><li>SKF 3303-A TN9 model features a reinforced nylon cage (TN9 designation) that reduces friction and heat buildup, extending service life in continuous-duty applications</li><li>Precision-rated bearing steel construction ensures consistent performance across P0-P6 tolerances, supporting seamless integration into OEM production lines</li><li>Direct-from-warehouse availability enables fast emergency delivery, minimizing downtime for maintenance and production scheduling</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 3303-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 | Transmissions, Steering Systems, Pumps |
| General Manufacturing | Conveyors, Compressors, Fans |
| Material Handling | Industrial Robots, Assembly Lines |
Stop Production Delays with Genuine SKF 3303-A TN9 Nylon Cage Double Row Angular Contact Ball Bearing
Industrial equipment OEMs and maintenance teams often face unexpected downtime when bearings fail prematurely—especially when sourced from unreliable channels. Counterfeit bearings lacking proper traceability not only risk equipment damage but also cause customs clearance issues and quality disputes. Multi-layer distribution further complicates matters, stretching delivery times by 30–50% and disrupting production schedules.
Genuine SKF 3303-A TN9 Bearings: In Stock and Traceable
As an official SKF authorized distributor, we provide the 3303-A TN9 Nylon Cage Double Row Angular Contact Ball Bearing with complete traceability documentation, eliminating counterfeit risks. Our large centralized warehouse ensures stable bulk supply, while our streamlined logistics network supports fast emergency delivery—critical for minimizing production line shutdowns. This bearing, designed for industrial equipment, excels in applications requiring radial and axial load handling, such as motor spindles and gearboxes.
Optimal Performance in Demanding Industrial Conditions
The Double Row Angular Contact Ball Bearing 3303-A TN9 is engineered to perform under high-speed rotation and moderate radial loads, common in industrial machinery. Its angular contact design allows it to accommodate combined radial and axial loads, while the nylon cage reduces friction and enhances lubrication distribution—key for extending service life in continuous-operation equipment like conveyors and compressors.
Key Technical Features Driving Reliability
The bearing’s precision rating options (P0 to P6) ensure compatibility with varying equipment accuracy requirements, from general machinery to precision CNC tools. Constructed from high-grade bearing steel, it delivers robust durability under standard operating conditions. The nylon cage offers lightweight stability and reduced noise compared to metal alternatives, making it suitable for noise-sensitive environments. Available lubrication options (oil or grease) allow customization based on specific application speed and temperature demands.
Why Genuine SKF Bearings Lower Total Cost of Ownership
Choosing genuine SKF 3303-A TN9 Bearings over gray-market alternatives reduces long-term costs significantly. Counterfeit bearings often fail within 30–50% of the expected service life, leading to repeat replacements, unplanned downtime, and potential damage to adjacent components. In contrast, our ISO 9001-compliant bearings meet SKF global standards, ensuring consistent performance and reducing maintenance expenses. Full traceability documentation also protects against customs delays and liability issues in export markets.
Why Global Buyers Choose Our SKF Distribution
With 60+ country coverage and a SKF-certified technical team, we offer more than just products. Our vertical distribution model eliminates middlemen, ensuring direct access to authentic SKF inventory. Every bearing undergoes full-process quality management, from incoming inspection to pre-shipment verification. We provide customized OEM schemes, including sample testing and small-batch trials, supported by dedicated account managers who track orders from warehouse to delivery. Our global door-to-door logistics ensure timely arrivals, whether for scheduled production runs or emergency repairs.
Packaging & Shipping
- Original SKF packaging with anti-counterfeit labels and batch traceability documentation
- Stock items shipped within 3–7 business days of order confirmation
- Flexible logistics options: DHL, FedEx, UPS, air freight, or sea freight based on urgency and volume
- Real-time tracking provided for all shipments
- Minimum order quantity: 1 unit, supporting both emergency repairs and bulk procurement
Get Your SKF 3303-A TN9 Bearing Shipped Today
Delays in replacing worn bearings cost your operation daily. Send us your bearing model list, application parameters, and required quantity to receive a formal quotation within 24 hours—complete with brand authorization and traceability certificates. Our team can also assist with model selection to ensure optimal performance in your specific equipment.
Frequently Asked Questions
Q: Are these genuine SKF bearings?
A: Yes, we are an official SKF authorized distributor. Every bearing comes with complete traceability documentation and brand authorization certificates to verify authenticity.
Q: How can I confirm if the 3303-A TN9 is suitable for my equipment?
A: Provide your equipment model or operating parameters (load, speed, temperature), and our SKF-certified technical team will verify compatibility and offer selection guidance at no cost.
Q: What is the warranty policy?
A: All bearings are covered by SKF's standard manufacturer warranty, with unconditional replacement for manufacturing defects.
Q: What is the minimum order quantity?
A: We accept orders starting from 1 unit, ideal for emergency repairs or small-batch trials before full production procurement.
Q: How long does shipping take?
A: In-stock bearings are shipped within 3–7 business days. We offer DHL, FedEx, UPS, air, and sea freight options to match your delivery timeline.
Q: How can I verify the bearing's authenticity upon receipt?
A: Check the packaging for SKF's anti-counterfeit labels, laser-etched part numbers on the bearing, and use the traceability certificate to confirm the product's supply chain. We can assist with verification if needed.
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