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 3311A-2Z/C3 MT33 Shielded for Industrial Machinery
Double Row Angular Contact Ball Bearing 3311A-2Z/C3 MT33 Shielded for Industrial Machinery
In Stock · Ready to Ship
<p>Ensure seamless industrial machinery performance with the <strong>Double Row Angular Contact Ball Bearing</strong> 3311A-2Z/C3 MT33, engineered to deliver exceptional radial and axial load handling in high-precision applications. As an authorized SKF distributor, we guarantee 100% genuine components with full traceability documentation, eliminating compliance hurdles and quality risks.</p><ul><li>Shielded design (2Z) provides superior contamination protection, extending service life in harsh industrial environments</li><li>C3 clearance and MT33 tolerance ensure optimal thermal expansion management for consistent operation under varying temperatures</li><li>Double row angular contact configuration delivers 20-30% higher load capacity than single row alternatives, reducing downtime from premature bearing failure</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 3311A-2Z/C3 MT33 Shielded 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 |
| Trademark | SKF |
| Origin | Jiangsu China |
Application Industries
| Industry | Typical Equipment |
|---|---|
| General Machinery | Electric Motors, Gearboxes, Pumps, Compressors |
| Industrial Manufacturing | CNC Machine Tools, Conveyor Systems, Processing Lines |
| Automotive | Transmission Systems, Steering Mechanisms, Engine Components |
| Rail Transit | Train Axles, Gear Drives, Auxiliary Equipment |
Stop Production Delays with Genuine SKF 3311A-2Z/C3 MT33 Double Row Angular Contact Ball Bearing
Industrial machinery operators know the cost of unexpected downtime—hours of halted production, missed deadlines, and costly repairs often trace back to bearing failures. Counterfeit bearings with poor materials cut service life by 40-60%, while multi-tier distribution channels stretch lead times by 30-50%, leaving maintenance teams waiting for critical replacements.
Genuine SKF 3311A-2Z/C3 MT33 Bearings: In Stock and Traceable
As an official SKF authorized distributor, we eliminate these risks with 100% genuine Double Row Angular Contact Ball Bearings backed by full traceability documentation. Our centralized warehouse stocks the 3311A-2Z/C3 MT33 shielded variant, designed for industrial machinery requiring robust radial and axial load handling. Whether for motor spindles, gearboxes, or conveyor systems, we ensure batch consistency compliant with ISO 9001 and SKF global standards.
Engineered for Demanding Industrial Work Conditions
The 3311A-2Z/C3 MT33 excels in high-speed rotating applications with combined radial and axial loads, common in industrial machinery. Its double row design provides higher rigidity and load capacity compared to single row alternatives, while the 2Z metal shields prevent contamination ingress—critical for dusty factory environments. The C3 clearance rating accommodates thermal expansion during continuous operation, reducing premature failure risks in temperature-fluctuating conditions.
Technical Features That Maximize Machinery Performance
Key specifications of the SKF 3311A-2Z/C3 MT33 directly impact operational reliability. The bearing steel construction ensures durability under heavy loads, while precision ratings from P0 to P6 allow customization for applications requiring tight runout control, such as CNC machine spindles. Available cage options—steel, copper, or nylon—cater to different speed and temperature requirements: steel cages excel in high-temperature environments, while nylon cages reduce noise in moderate-speed applications. Lubrication versatility (oil or grease) further adapts the bearing to specific machinery lubrication systems.
Why Genuine SKF Bearings Lower Total Cost of Ownership
Choosing genuine SKF Double Row Angular Contact Ball Bearings over gray-market alternatives delivers long-term savings. Counterfeit bearings often fail within 3-6 months, leading to unplanned downtime costing $5,000-$20,000 per hour for production lines. In contrast, SKF bearings offer predictable service life, reducing maintenance frequency and associated labor costs. Our full traceability documentation also eliminates customs clearance delays and quality liability disputes—common issues with non-authorized suppliers.
Your Trusted Partner for Industrial Bearing Supply
With 60+ countries served and a SKF-certified technical team, we provide more than products. Our services include: official authorization with batch traceability, ensuring every 3311A-2Z/C3 MT33 bearing is fully documented; pre-shipment quality inspection, with 100% compliance checks against SKF specifications; dedicated account managers for full-order visibility; and on-demand technical support for installation guidance and failure analysis. Our global door-to-door logistics network ensures emergency deliveries reach your facility within 3-7 business days.
Packaging & Shipping
- Genuine SKF packaging with anti-counterfeit labels and batch documentation
- Carton pallet packaging for secure transport and storage
- 3-7 business days delivery for in-stock items
- Flexible shipping options: DHL, FedEx, UPS, air freight, and sea freight
- Real-time tracking provided for all orders
- Minimum order quantity: 1 unit, supporting both emergency repairs and bulk procurement
Get Your SKF 3311A-2Z/C3 MT33 Bearing Today
Don’t let bearing issues disrupt your production schedule. Send us your bearing designation, application details (load, speed, temperature), and required quantity—our team will provide a formal quotation with traceability certificates within 24 hours. With stock ready to ship, we help you minimize downtime and keep your machinery running at peak efficiency.
Frequently Asked Questions
Q: Are these genuine SKF bearings?
A: Yes, we are an official SKF authorized distributor. Every bearing comes with full traceability documentation and brand authorization certificates to verify authenticity.
Q: How do I confirm if the 3311A-2Z/C3 MT33 is suitable for my equipment?
A: Provide your equipment model or operating parameters (load, speed, temperature, and installation type), and our SKF-certified technical team will conduct a free compatibility check.
Q: What is the warranty policy?
A: All bearings are covered by SKF’s standard manufacturer warranty, with unconditional replacement for any manufacturing defects.
Q: What is the minimum order quantity?
A: We accept orders starting from 1 unit, supporting both emergency repair needs and large-scale OEM production.
Q: How quickly can you ship the 3311A-2Z/C3 MT33 bearing?
A: In-stock items are shipped within 3-7 business days via your preferred logistics provider (DHL, FedEx, UPS, etc.).
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 scan the QR code to access traceability records. We also provide full certification documents with each order.
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