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
Durable Double Row Angular Contact Ball Bearing 3320-a for Mining Construction Equipment
Durable Double Row Angular Contact Ball Bearing 3320-a for Mining Construction Equipment
In Stock · Ready to Ship
<p>Minimize mining and construction downtime with the <strong>Durable Double Row Angular Contact Ball Bearing 3320-a</strong>—SKF's engineered solution for heavy-load resilience in harsh equipment environments. This SKF 3320-a bearing delivers exceptional radial and axial load handling, thanks to its double-row angular contact design and precision P0-P6 rating options, ensuring consistent performance under extreme vibration and temperature fluctuations.</p> <ul> <li>Features separated inner/outer rings for easy installation and maintenance, paired with steel, copper, or nylon cage options to match specific machinery demands</li> <li>100% genuine SKF certified, eliminating counterfeit risks and ensuring full traceability documentation for seamless global logistics and compliance</li> <li>Optimized oil/grease lubrication compatibility extends service intervals, reducing unplanned shutdowns for construction and mining OEMs</li> </ul> <p>Backed by SKF's global standards and our dedicated technical support team, this bearing aligns with your production schedules through stable bulk supply and fast emergency delivery—because your equipment reliability starts with component integrity.</p>
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
Durable Double Row Angular Contact Ball Bearing 3320-a for Mining Construction 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 |
|---|---|
| Mining & Construction | Excavators, Loaders, Crushers, Conveyors |
Stop Mining Equipment Downtime with Genuine SKF 3320-a Double Row Angular Contact Ball Bearings
Mining and construction operations lose thousands in revenue daily to unexpected bearing failures. Counterfeit bearings often fail within months under heavy loads, while multi-tier distributors delay critical replacements by 30–50%. When your excavator or crusher grinds to a halt, every hour of downtime erodes project deadlines and profit margins.
Durable SKF 3320-a Bearings: In Stock for Immediate Shipment
As an official SKF distributor, we stock the genuine Double Row Angular Contact Ball Bearing 3320-a specifically engineered for mining construction equipment. Our centralized warehouse ensures ready availability, eliminating the wait times of traditional supply chains. Each bearing undergoes full-process quality management compliant with ISO 9001 and SKF global standards, guaranteeing performance under the radial and axial loads common in crushers, loaders, and conveyors.
Engineered for Extreme Mining Conditions
The SKF 3320-a thrives in the harsh environments of mining and construction sites. Its double row angular contact design delivers superior rigidity to handle combined radial and thrust loads, while the robust bearing steel construction resists wear from dust and debris. Whether operating in high-vibration crushers or heavy-duty excavators, this bearing maintains stability at critical speeds, reducing the risk of premature failure.
Key Technical Features That Maximize Equipment Uptime
Precision rating options (P0 to P6) allow customization for specific application requirements—choose higher precision grades for equipment requiring minimal runout, like conveyor systems. The versatile cage options (steel, copper, nylon) accommodate varying temperature and load conditions: steel cages excel in high-heat environments, while nylon cages reduce noise in precision applications. Lubricated with high-performance oil grease, the 3320-a minimizes friction and heat buildup, extending service life even in continuous operation.
Why Genuine SKF Bearings Lower Total Cost of Ownership
Non-genuine Mining Construction Bearings may cost less upfront, but they often lead to hidden expenses: early failures cause unplanned downtime, emergency repair labor, and potential damage to adjacent components. SKF’s rigorous manufacturing standards ensure the 3320-a meets exact load and speed specifications, delivering predictable performance and longer intervals between replacements. Our clients report 40% fewer bearing-related breakdowns after switching to authorized SKF supply, directly improving their equipment’s reliability and operational efficiency.
Why Mining Operators Choose Our SKF Distribution
Every SKF 3320-a bearing comes with full traceability documentation, eliminating customs clearance issues and quality disputes. Our SKF-certified technical team provides free model selection support, ensuring you get the right bearing for your specific equipment and working conditions. With 60+ countries served and a global logistics network, we deliver door-to-door—whether you need a single bearing for emergency repair or bulk orders for production lines. Our four-step OEM cooperation process includes 24-hour quotations, sample testing, and dedicated account management for full supply chain visibility.
Packaging & Shipping
- Original SKF packaging with authentication labels and carton pallet reinforcement for secure transport
- 3–7 business day delivery for in-stock items
- Flexible shipping via DHL, FedEx, UPS, air, or sea freight
- Real-time logistics tracking provided for all orders
- Minimum order quantity of 1 unit, supporting both emergency repairs and large-scale procurement
Get Your SKF 3320-a Bearing Shipped Today
Your mining equipment can’t afford unnecessary downtime. Send us your bearing model list, application details, and quantity, and our team will issue a formal quotation within 24 hours—including brand authorization and traceability certificates. With our stock on hand, we can dispatch your order immediately to get your operation back to full capacity.
Frequently Asked Questions
Q: Are these genuine SKF bearings?
A: Yes, we are an official authorized SKF distributor. Every bearing is sourced directly from SKF and comes with complete traceability documentation to verify authenticity.
Q: How do I confirm if the 3320-a is compatible with my equipment?
A: Provide your equipment model or working condition parameters (load, speed, temperature), and our SKF-certified technical team will verify compatibility and recommend the optimal specifications.
Q: What is the warranty policy?
A: All SKF bearings are covered by the manufacturer’s warranty. We provide full support for replacement or return in case of manufacturing defects.
Q: What is the minimum order quantity?
A: We accept orders starting from 1 unit, making us ideal for emergency repair needs as well as bulk OEM requirements.
Q: How quickly can you ship?
A: In-stock bearings are shipped within 3–7 business days. We offer multiple logistics options to meet your urgency requirements.
Q: How can I verify the bearing’s authenticity upon receipt?
A: Each bearing includes SKF’s original packaging withé˜²ä¼ªæ ‡ç¾ and laser marking. We also provide traceability certificates that can be cross-verified through SKF’s official channels.
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