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Double Row Angular Contact Ball Bearing 3309a-2Z/C3 MT33 for Industrial Machinery dimension drawing Dim. Drawing
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100% Genuine SKF Full Traceability ISO 9001 Certified
SKF Authorized Angular Contact Bearing

Double Row Angular Contact Ball Bearing 3309a-2Z/C3 MT33 for Industrial Machinery

Double Row Angular Contact Ball Bearing 3309a-2Z/C3 MT33 for Industrial Machinery In Stock · Ready to Ship

<p>Ensure seamless industrial machinery performance with the <strong>Double Row Angular Contact Ball Bearing 3309a-2Z/C3 MT33</strong>, engineered to deliver exceptional radial and axial load support for high-precision applications. As an official SKF distributor, we guarantee 100% genuine bearings with full traceability documentation, eliminating compliance hurdles and quality risks in your supply chain.</p><ul><li>Double row angular contact design with 2Z metal shields provides superior running accuracy and contamination resistance, ideal for continuous operation in harsh industrial environments</li><li>C3 clearance rating and MT33 cage material optimize thermal stability, reducing downtime from premature bearing failure</li><li>Backed by SKF-certified technical support and our centralized warehouse, ensuring reliable bulk supply that aligns with your production scheduling needs</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.

WhatsApp Inquiry

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 3309a-2Z/C3 MT33 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.

Mining & Metallurgy

Crushers, mills, conveyors, and smelting equipment under heavy radial/axial loads.

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

  • Bearings: Deep Groove · Spherical · Cylindrical · Tapered · Thrust · Angular Contact
  • Sealing: Radial shaft seals · V-rings · Labyrinth seals · Bearing isolators
  • Lubrication: LGMT 2/3 grease · Automatic lubricators · Centralized systems
  • Mounting Tools: Induction heaters · Fitting kits · TMFT 36 · Alignment tools
  • Housings: Plummer blocks · Flanged housings · Split housings · Adaptor sleeves
Request Full Catalog

Need Application Advice?

SKF-Certified Engineer

Selection · Failure analysis · Technical support

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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

ParameterDetails
Model Designation3309a-2Z/C3 MT33
TypeDouble Row Angular Contact Ball Bearing
Rows NumberDouble
Load DirectionRadial Bearing
MaterialBearing Steel
Precision RatingP0, P2, P4, P5, P6
StructureAngular Contact
CageSteel Cage, Copper Cage, Nylon Cage
LubricationOil, Grease
TrademarkSKF
OriginJiangsu China

Application Industries

IndustryTypical Equipment
General MachineryElectric Motors, Gearboxes, Pumps, Fans
ManufacturingConveyors, Machine Tools, Compressors
Industrial AutomationRobotic Arms, Precision spindles, Material Handling Systems

Stop Production Delays with Genuine SKF 3309a-2Z/C3 MT33 Double Row Angular Contact Ball Bearing

Industrial machinery operators know the cost of unexpected downtime—counterfeit bearings failing prematurely, delivery delays disrupting production schedules, and incomplete traceability documents causing customs clearance headaches. When your equipment relies on precise angular contact bearings, these issues don’t just slow operations—they directly impact your bottom line.

Genuine SKF 3309a-2Z/C3 Bearings: In Stock and Traceable

As an official SKF distributor, we eliminate these risks with the Double Row Angular Contact Ball Bearing 3309a-2Z/C3 MT33. Every unit comes with full traceability documentation, ensuring you receive 100% genuine SKF products that meet ISO 9001 standards. Our large centralized warehouse maintains ready stock, so you avoid the 30–50% lead time extensions common with multi-tier distributors. This bearing excels in industrial machinery like electric motors and gearboxes, where radial load capacity and precise alignment are critical.

Engineered for Demanding Industrial Conditions

The 3309a-2Z/C3 MT33 thrives in high-speed, moderate-load applications typical of industrial machinery. Its double row design delivers enhanced radial and axial load handling, while the 2Z steel shields provide effective protection against contamination in dusty or moist environments. Whether operating in temperature-stable workshops or variable outdoor settings, this bearing maintains consistent performance, reducing unplanned maintenance interruptions.

Technical Features That Maximize Machinery Uptime

Key technical attributes set this bearing apart for industrial use. The C3 clearance class allows for thermal expansion during high-speed operation, preventing premature failure from internal stress. Multiple precision ratings (P0 to P6) let you match bearing accuracy to your equipment’s requirements—from general machinery (P0) to precision spindles (P5/P6). Available cage materials (steel, copper, nylon) offer flexibility: steel cages handle higher temperatures, while nylon options reduce noise in low-vibration applications. Combined with SKF’s bearing steel construction, these features ensure long service life under continuous operation.

Why Genuine SKF 3309a-2Z/C3 Bearings Reduce Total Cost

Choosing non-genuine 3309a-2Z/C3 bearings may seem cost-effective initially, but the hidden expenses add up. Counterfeit units often fail within 30% of the expected lifespan, leading to repeated replacements, production downtime, and potential damage to mating components. In contrast, genuine SKF bearings undergo rigorous testing to meet global standards, minimizing failure risks. Our clients report 40% lower maintenance costs over two years by investing in authentic parts—proof that total cost of ownership, not upfront price, determines true value.

Your Trusted Partner for SKF Bearing Supply

We’ve earned the trust of industrial equipment OEMs and maintenance teams in 60+ countries by delivering on four core commitments: official SKF authorization with full supply chain traceability, ISO 9001-compliant quality management with incoming and outgoing inspections, a SKF-certified technical team providing free model selection and installation guidance, and global door-to-door logistics with real-time shipment tracking. Our dedicated account managers oversee every order from quote to delivery, ensuring transparency at every step.

Packaging & Shipping

  • Original SKF packaging with product certification and traceability documents
  • Secure carton and pallet packaging to prevent damage during transit
  • 3–7 business day delivery for in-stock orders
  • Flexible shipping options: DHL, FedEx, UPS, air freight, or sea freight
  • Real-time tracking number provided upon dispatch
  • Minimum order quantity: 1 unit, ideal for emergency repairs or small-batch needs

Get Your SKF 3309a-2Z/C3 MT33 Bearing Today

Don’t let bearing issues keep your machinery idle. Send us your bearing designation, application details (like operating speed and load), and required quantity—our team will provide a formal quotation within 24 hours, including brand authorization and traceability certificates. With our stock availability, you can have the 3309a-2Z/C3 MT33 delivered quickly to minimize production disruption.

Frequently Asked Questions

Q: Are these genuine SKF bearings?

A: Yes. As an official SKF distributor, every bearing comes with full traceability documentation and brand authorization, ensuring authenticity.

Q: How do I confirm if the 3309a-2Z/C3 MT33 fits my equipment?

A: Provide your equipment model or operating parameters (load, speed, temperature), and our SKF-certified technical team will verify compatibility at no cost.

Q: What is the warranty policy?

A: All bearings are covered by SKF’s standard manufacturer warranty, with replacement guaranteed for any manufacturing defects.

Q: What is the minimum order quantity?

A: We accept orders for 1 unit, supporting both emergency repairs and small-batch procurement.

Q: How long does shipping take?

A: In-stock bearings ship within 3–7 business days via your choice of DHL, FedEx, UPS, air, or sea freight.

Q: How can I verify the bearing’s authenticity?

A: Each bearing includes SKF’s original packaging with防伪标签, laser-etched part numbers, and traceability documents. We can also provide official authorization letters upon request.

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
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
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