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
High Precision Double Row Angular Contact Ball Bearing 3304A-2Z for Industrial Machinery
High Precision Double Row Angular Contact Ball Bearing 3304A-2Z for Industrial Machinery
In Stock · Ready to Ship
<p>Boost industrial machinery precision and reduce unplanned downtime with the <strong>SKF 3304A-2Z</strong> double row angular contact ball bearing—engineered to deliver consistent radial and axial load performance in high-speed applications. Its P5 precision rating ensures minimal vibration and extended service life, while the steel cage design maintains structural integrity under heavy operating conditions. </p><ul><li>Double row angular contact configuration eliminates alignment issues, streamlining installation and reducing maintenance costs</li><li>2Z shielded construction prevents contamination, critical for factories in dusty or humid environments</li><li>Backed by SKF’s global quality standards and full traceability documentation, ensuring compliance with export and OEM requirements</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
High Precision Double Row Angular Contact Ball Bearing 3304A-2Z for Industrial Machinery -- 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 Machine Tools, Gearboxes, Electric Motors, Pumps, Fans |
| Automotive | Transmissions, Axles, Steering Systems |
| General Machinery | Compressors, Conveyors, Printing Presses |
Stop Production Delays with Genuine SKF 3304A-2Z Double Row Angular Contact Ball Bearings
Nothing halts industrial operations faster than a bearing failure. Counterfeit bearings often fail within months, causing unexpected downtime and costly repairs. Multi-layer distribution channels stretch delivery times by 30-50%, making it nearly impossible to align with tight production schedules. For OEM manufacturers, these issues aren't just inconveniences—they directly impact your bottom line.
Genuine SKF 3304A-2Z Bearings: In Stock and Ready for Immediate Shipment
As an official SKF authorized distributor, we provide 100% genuine SKF 3304A-2Z double row angular contact ball bearings with full traceability documentation. Our large centralized warehouse ensures stable bulk supply, while our streamlined logistics network delivers door-to-door globally. Whether you need bearings for high-speed electric motors, precision gearboxes, or heavy-duty industrial pumps, we have the inventory to meet your demands without delay.
Engineered for High-Precision Industrial Applications
The SKF 3304A-2Z angular contact ball bearing is designed to handle both radial and axial loads in high-precision industrial machinery. Its double row structure provides increased rigidity and load-carrying capacity, making it ideal for applications requiring precise alignment and smooth operation at moderate to high speeds. From CNC machine spindles to conveyor systems, this bearing delivers consistent performance even under demanding working conditions.
Key Technical Features That Ensure Reliability
The SKF 3304A-2Z bearing's precision rating options (P0, P2, P4, P5, P6) allow you to select the exact level of accuracy needed for your application—critical for minimizing vibration and extending equipment life. Constructed from high-quality bearing steel, it offers excellent durability and resistance to wear. The steel, copper, or nylon cage options provide flexibility to match specific operating requirements, with steel cages excelling in high-temperature environments and nylon cages reducing noise in precision applications. Lubricated with premium oil grease, this bearing ensures smooth operation and reduces maintenance needs.
Why Genuine SKF Bearings Lower Your Total Cost of Ownership
Choosing genuine SKF 3304A-2Z bearings over counterfeit alternatives eliminates the hidden costs of frequent replacements and unexpected downtime. A single counterfeit bearing failure can cost thousands in production losses, not to mention repair expenses and potential damage to other machinery components. Our bearings comply with ISO 9001 and SKF global standards, ensuring batch consistency and reliable performance. By investing in genuine SKF products, you're not just buying a bearing—you're investing in the long-term efficiency and profitability of your operations.
Your Trusted Partner for Industrial Bearing Solutions
With over a decade of experience serving 60+ countries worldwide, we've built a reputation for reliability and expertise. Our SKF-certified technical team provides professional support from model selection to installation guidance and failure analysis, helping you avoid costly technical errors. We offer a formal quotation within 24 hours of receiving your model list and working condition parameters, support sample testing for quality verification, and provide dedicated account managers to track every step of your order. When you partner with us, you gain access to a global supply chain backed by the strength of SKF and the personalized service of a dedicated OEM supplier.
Packaging & Shipping
- Original SKF packaging with serial numbers and traceability documentation
- Carton pallet packaging for secure transportation
- 3-7 business days delivery for in-stock items
- Flexible shipping options: DHL, FedEx, UPS, air freight, and sea freight
- Real-time logistics tracking provided for all orders
- Minimum order quantity: 1 piece, supporting emergency repairs and small-batch requirements
Get Your SKF 3304A-2Z Bearings Today
Don't let bearing issues disrupt your production schedule. Send us your bearing designation, application details, and quantity, and our team will provide a comprehensive quotation within 24 hours. With our large inventory and global logistics network, we can have your SKF 3304A-2Z bearings delivered when you need them, minimizing downtime and keeping your operations running smoothly.
Frequently Asked Questions
Q: Are these genuine SKF bearings?
A: Yes, we are an official authorized SKF distributor. Every SKF 3304A-2Z bearing we supply is 100% genuine with full traceability documentation and brand authorization certificates.
Q: How can I confirm if the 3304A-2Z is the right bearing for my equipment?
A: Our SKF-certified technical team can assist with model selection. Provide your equipment model or working condition parameters (load, speed, temperature, etc.), and we'll verify the correct bearing for your application.
Q: What is your warranty policy?
A: We stand by the quality of genuine SKF products. All bearings come with the standard SKF manufacturer's warranty, covering manufacturing defects with unconditional replacement.
Q: What is the minimum order quantity?
A: We accept orders starting from 1 piece, making us ideal for both emergency repairs and small-batch procurement needs.
Q: How long does shipping take?
A: In-stock SKF 3304A-2Z bearings are typically delivered within 3-7 business days. We offer multiple shipping options (DHL, FedEx, UPS, air, and sea freight) to meet your timeline requirements.
Q: How can I verify the authenticity of the bearings?
A: Each bearing comes with original SKF packaging featuringé˜²ä¼ªæ ‡ç¾ and laser markings. We also provide full traceability documentation, and you can verify the serial number through the SKF official website.
Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we'll respond within 24
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