Mining & Metallurgy
Crushers, mills, conveyors, and smelting equipment under heavy radial/axial loads.
<p>Ensure uninterrupted compressor transmission with the <strong>Double Row Angular Contact Ball Bearing 3303A TN9/C3</strong>—engineered to deliver consistent radial and axial load handling for industrial machinery. As an official SKF distributor, we guarantee 100% genuine bearings with full traceability documentation, eliminating counterfeit risks and streamlining customs clearance for global shipments.</p><ul><li>Nylon cage design reduces friction and heat buildup during high-speed operation, extending service life in demanding compressor environments</li><li>Precision-machined bearing steel construction ensures batch stability, aligning seamlessly with production schedules to minimize downtime</li><li>SKF-certified technical support available for installation guidance and failure analysis, backed by our dedicated OEM service team</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 |
|---|---|
| Manufacturing | Compressors, Transmission Systems |
Compressor transmission systems rely on precise bearing performance to maintain continuous operation. When bearings fail prematurely due to counterfeit components or inconsistent quality, production lines halt, repair costs mount, and delivery deadlines slip. Many OEMs struggle with suppliers who cannot verify product traceability, leading to customs delays and quality disputes that disrupt manufacturing schedules.
Our Double Row Angular Contact Ball Bearing 3303A TN9/C3 with Nylon Cage addresses these challenges directly. As an official SKF distributor, we ensure 100% genuine products with full traceability documentation, eliminating the risk of counterfeits. Our large centralized warehouse maintains ready stock, allowing us to support both emergency repairs and scheduled production needs without the delays of traditional multi-tier distribution channels.
This Double Row Angular Contact Ball Bearing is engineered for the demanding conditions of compressor transmission systems. It handles combined radial and axial loads efficiently, with the Nylon Cage providing stable operation at moderate speeds while reducing friction and noise. The separated design allows for easy mounting and dismounting, simplifying maintenance procedures in tight compressor assemblies.
The SKF 3303A TN9/C3 Bearing incorporates critical design elements for compressor performance. Its bearing steel construction delivers high durability and resistance to fatigue, essential for continuous duty cycles. The C3 clearance class accommodates thermal expansion during operation, preventing premature failure from tight fits. Precision ratings from P0 to P6 allow customization based on application requirements, ensuring optimal balance between performance and cost. The Nylon Cage option offers lightweight operation and improved lubricant retention, extending maintenance intervals.
Choosing genuine SKF 3303A TN9/C3 Bearings over unauthorized alternatives delivers long-term value. Counterfeit bearings often fail within 30-50% of the expected service life, leading to unplanned downtime, replacement parts, and labor costs that far exceed initial savings. Our bearings comply with ISO 9001 and SKF global standards, ensuring consistent batch quality and predictable performance. This reliability minimizes production interruptions and lowers overall maintenance expenses, making genuine SKF the smarter investment for compressor OEMs and maintenance teams.
As an official SKF distributor, we provide complete traceability for every bearing, with documentation linking each unit to SKF's global supply chain. Our ISO 9001-certified quality management system includes incoming inspections and pre-shipment verification, ensuring only conforming products reach customers. With a SKF-certified technical team, we offer application-specific support, from model selection to failure analysis. Serving over 60 countries, our global logistics network delivers door-to-door, with dedicated account managers tracking orders from warehouse to delivery.
Don't let bearing issues disrupt your compressor operations. Send us your SKF 3303A TN9/C3 quantity requirements and application details, and we'll provide a formal quotation with traceability certificates within 24 hours. With our ready stock and fast delivery, you can minimize downtime and keep production on schedule.
Q: Are these genuine SKF bearings?
A: Yes, we are an official SKF authorized distributor. Every bearing comes with full traceability documentation to verify authenticity.
Q: How can I confirm if this bearing fits my compressor?
A: Provide your compressor model or operating parameters (load, speed, temperature), and our SKF-certified technical team will verify compatibility.
Q: What is the warranty policy?
A: All SKF bearings are covered by the manufacturer's warranty against manufacturing defects. We provide full support for warranty claims.
Q: What is the minimum order quantity?
A: We accept orders for 1 piece, ideal for emergency repairs or small-batch trials.
Q: How long does shipping take?
A: In-stock bearings ship within 3-7 business days via your preferred logistics method (DHL, FedEx, etc.).
Q: How do I verify the bearing's authenticity?
A: Check the packaging for SKF's security features, laser-etched markings on the bearing, and request traceability certificates from our team.
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.