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 3304 A/C3 for Heavy Equipment High Rigidity
Double Row Angular Contact Ball Bearing 3304 A/C3 for Heavy Equipment High Rigidity
In Stock · Ready to Ship
<p>Ensure your heavy equipment maintains peak rigidity and minimizes downtime with the <strong>SKF 3304 A/C3 Double Row Angular Contact Ball Bearing</strong>, engineered to deliver exceptional radial and axial load handling in high-stress industrial applications. Crafted from premium bearing steel with precision ratings up to P2, this bearing ensures consistent performance even under heavy machinery operating conditions, addressing the critical need for reliable, traceable components that keep production lines running smoothly.</p><ul><li>Double row angular contact design provides superior rigidity for heavy equipment pivot points and high-torque assemblies</li><li>Steel, copper, or nylon cage options allow customization to match specific lubrication and temperature requirements</li><li>Backed by SKF's global quality standards and full traceability documentation, ensuring compliance with export and OEM quality protocols</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 3304 A/C3 for Heavy Equipment High Rigidity -- 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 |
| Trademark | SKF |
| Origin | Jiangsu China |
Application Industries
| Industry | Typical Equipment |
|---|---|
| Construction Machinery | Excavators, Loaders, Bulldozers |
| Industrial Machinery | Machine Tools, Gearboxes, Hydraulic Pumps |
| Material Handling | Conveyors, Cranes, Forklifts |
| Agricultural Equipment | Harvesters, Tractors, Tillers |
Stop Production Delays with SKF 3304 A/C3 Double Row Angular Contact Ball Bearing
Heavy equipment operators know the cost of unexpected downtime—hours of lost productivity, missed deadlines, and expensive repairs. Counterfeit bearings often fail prematurely under high loads, while multi-layer distribution channels stretch delivery times by 30-50%, leaving maintenance teams waiting when machines need critical parts.
Genuine SKF 3304 A/C3 Bearings: In Stock and Traceable
As an official SKF distributor, we provide 100% genuine Double Row Angular Contact Ball Bearing 3304 A/C3 with full traceability documentation. Our large centralized warehouse ensures immediate availability for emergency repairs, while our ISO 9001 compliant quality management guarantees consistent performance in heavy-duty applications like excavator arm joints and industrial gearboxes.
Engineered for High Rigidity in Heavy-Duty Conditions
The SKF 3304 A/C3 is designed to handle combined radial and axial loads in high-rigidity applications. Its double row angular contact design provides superior axial stiffness, making it ideal for equipment operating under heavy shock loads and variable speeds—common in construction machinery, industrial presses, and material handling systems.
Technical Features That Ensure Reliability
Manufactured from high-grade bearing steel, this bearing offers multiple precision ratings (P0 to P6) to match specific application requirements. The C3 clearance class provides thermal expansion allowance during continuous operation, while available cage options (steel, copper, nylon) allow customization for temperature and speed conditions. Its separated structure simplifies installation and maintenance, reducing assembly time for technicians.
Why Pay More for Downtime? The True Value of Genuine Bearings
Non-genuine bearings may cost less upfront, but they often lack the material quality and manufacturing precision of SKF products. A single failure can cause secondary damage to shafts and housings, leading to repair costs 5-10 times the bearing price. With our SKF-certified products, you avoid these risks—backed by full compliance with SKF global standards and complete traceability documentation for export clearance.
Why 60+ Countries Trust Our Bearing Supply
Our 15+ years as an authorized SKF distributor ensures you receive authentic products with every order. We maintain batch consistency through direct factory sourcing and implement three-stage quality checks before shipment. Our technical team, certified by SKF, provides free model selection and installation guidance based on your equipment's working conditions. With door-to-door logistics to 60+ countries, we deliver on time, every time—even for urgent orders.
Packaging & Shipping
- Original SKF packaging with batch traceability labels and outer carton reinforcement
- 3-7 business days delivery for in-stock items
- Flexible shipping via DHL, FedEx, UPS, air freight, or sea freight
- Real-time tracking number provided upon dispatch
- Minimum order quantity of 1 piece, supporting both emergency repairs and bulk procurement
Get Your SKF 3304 A/C3 Bearing Today
Don’t let equipment downtime affect your production schedule. Send us your bearing model list, application parameters, and required quantity—our team will issue a formal quotation with certification documents within 24 hours. With our stock on hand, you can have your machinery back in operation faster than traditional distributors.
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 certification to verify authenticity.
Q: How do I confirm if the 3304 A/C3 is suitable for my equipment?
A: Provide your equipment model, load conditions, and operating speed. Our SKF-certified technical team will verify compatibility and recommend the optimal configuration.
Q: What is your warranty policy?
A: All bearings are covered by SKF's standard manufacturer warranty. We provide full replacement for any manufacturing defects with no additional cost.
Q: What is the minimum order quantity?
A: We accept orders starting from 1 piece to support emergency maintenance needs, with volume discounts available for bulk purchases.
Q: How long does shipping take to Europe/North America?
A: Standard delivery takes 3-5 business days via express courier (DHL/FedEx/UPS). Sea freight options are available for large orders with 2-4 week transit times.
Q: How can I verify the bearing's authenticity upon receipt?
A: Check the packaging for SKF's holographic label, scan the QR code for batch verification, and cross-reference the serial number with SKF's official database. We provide all necessary documentation for authentication.
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