Mining & Metallurgy
Crushers, mills, conveyors, and smelting equipment under heavy radial/axial loads.
<p>Ensure uninterrupted production with the <strong>Double Row Angular Contact Ball Bearing 3310 A-2Z/C3 MT33</strong>, engineered to deliver exceptional radial and axial load handling for auto industrial machinery. 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>Precision C3 clearance and MT33 tolerance ensure optimal performance in high-speed rotating applications, reducing vibration and extending equipment lifespan</li><li>Double row angular contact design provides superior rigidity for heavy-duty machinery, maintaining alignment even under fluctuating loads</li><li>2Z steel shields offer enhanced protection against contaminants, minimizing maintenance needs and maximizing uptime</li></ul>
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
| 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. | -- | -- |
Engineered for demanding industrial environments, this SKF bearing series delivers reliable performance across a wide range of heavy-duty and precision applications.
Crushers, mills, conveyors, and smelting equipment under heavy radial/axial loads.
Wind turbines, generators, gearboxes, and turbine main shafts.
Cranes, presses, rolling mills, and large industrial gearboxes.
Ship propulsion systems, deck machinery, and offshore platforms.
Kiln drives, ball mills, bucket elevators, and vibrating screens.
Paper machine rolls, dryer sections, and calender rolls.
Need Application Advice?
SKF-Certified Engineer
Selection · Failure analysis · Technical support
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.
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.
Manufactured to ISO P0-P6 tolerance classes. Dimensional accuracy and running accuracy are 100% verified before shipment, with full batch traceability records.
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.
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.
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.
SKF Microlog and Enlight sensors for vibration, temperature, and speed monitoring. Enable predictive maintenance strategies to minimize unplanned downtime and optimize bearing replacement intervals.
| 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 |
| Industry | Typical Equipment |
|---|---|
| Automotive | Transmissions, Axles, Steering Systems |
| Industrial Machinery | Machine Tools, Gearboxes, Pumps, Compressors |
OEM manufacturers across automotive and industrial sectors often face unexpected downtime due to counterfeit bearings failing prematurely. These substandard parts not only cause equipment breakdowns but also lead to costly production line halts and quality disputes. Additionally, multi-tier distribution channels frequently result in extended lead times, making it challenging to align with tight production schedules.
As an official SKF authorized distributor, we provide the Double Row Angular Contact Ball Bearing 3310 A-2Z/C3 MT33 with full traceability documentation, ensuring you receive 100% authentic products. Our large centralized warehouse maintains ready stock, allowing for fast emergency delivery to keep your production on track. This bearing is engineered for reliable performance in automotive transmissions and industrial machinery gearboxes, where precision and durability are critical.
The SKF 3310 A-2Z/C3 MT33 Double Row Angular Contact Ball Bearing excels in applications requiring support for combined radial and axial loads. Its double row design provides high rigidity and alignment capabilities, making it suitable for high-speed rotating equipment such as machine tool spindles and automotive powertrain components. Whether operating in moderate temperature environments or under varying load conditions, this bearing delivers consistent performance to minimize maintenance needs.
The bearing's precision rating options (P0 to P6) allow selection based on application requirements, with tighter tolerances (P4/P5) reducing vibration and noise in high-precision machinery. The C3 clearance class provides thermal expansion allowance, critical for applications with temperature fluctuations. Available cage materials—steel, copper, or nylon—offer flexibility: steel cages handle higher temperatures, while nylon cages reduce friction and weight in high-speed operations. The 2Z seal configuration provides effective protection against contamination, extending bearing life in industrial environments.
Counterfeit bearings often lack proper material heat treatment and dimensional accuracy, leading to premature failure. A single bearing failure in a production line can result in thousands of dollars in downtime, not to mention potential damage to adjacent components. In contrast, genuine SKF bearings undergo rigorous testing to meet ISO 9001 and SKF global standards, ensuring consistent batch quality and predictable service life. Investing in authentic Auto Industrial Machinery Bearings reduces long-term maintenance costs and safeguards production continuity.
With over 60 countries served and a SKF-certified technical team, we stand behind every bearing we supply. Our full-process quality management includes incoming inspection and pre-shipment verification. We offer customized OEM schemes to match your production needs, from small-batch trials to bulk orders with reserved inventory. Our global door-to-door logistics ensure on-time delivery, while dedicated account managers provide end-to-end support, from technical选型 to after-sales service.
Don’t let equipment downtime affect your production targets. Send us your bearing model list, application parameters, and required quantity to receive a formal quotation within 24 hours. Our team can assist with sample testing to verify performance before full-scale orders, ensuring the SKF 3310 A-2Z/C3 MT33 Bearing meets your specific needs.
Q: Are these genuine SKF bearings?
A: Yes, we are an official authorized SKF distributor. Every bearing comes with complete traceability documentation and brand certification to confirm authenticity.
Q: How can I confirm if this bearing fits my equipment?
A: Provide your equipment model or operating parameters (load, speed, temperature), and our SKF-certified technical team will verify compatibility and provide选型 recommendations.
Q: What is the warranty policy?
A: All SKF bearings are covered by the manufacturer's warranty. We offer unconditional replacement for any manufacturing defects detected within the warranty period.
Q: What is the minimum order quantity?
A: We accept orders starting from 1 piece, accommodating both emergency repair needs and small-batch trials.
Q: How long does shipping take?
A: In-stock bearings are shipped within 3-7 business days. Logistics options include DHL, FedEx, UPS, air freight, or sea freight based on your urgency and location.
Q: How do I verify the bearing's authenticity?
A: Authentic SKF bearings feature laser-etched markings, holographic packaging labels, and unique serial numbers that can be verified through SKF's official channels. We provide full traceability 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.
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.
Every shipment includes official SKF certification of origin, verifying product authenticity and manufacturing source.
Full production batch traceability maintained for minimum 5 years. Enables quality audit and failure investigation.
Verified annually by SKF. Our authorized status can be confirmed directly through the SKF distributor verification system.
All products carry SKF manufacturer warranty. Defective products are replaced or refunded -- no questions asked.
SKF QR code and holographic seal on every package. Verify authenticity instantly via SKF's official verification portal.
Authorized Distributor
Shanghai Dunyu Bearing
Official SKF Authorized Distributor
ISO 9001
SKF Authorized
Full Traceability
All products shipped in original SKF packaging with anti-counterfeit seal, QR code, and batch label intact.
Standard export carton for small orders. Custom wooden crates with moisture-proof lining for large/heavy shipments.
Sea freight (FCL/LCL), air freight, and express (DHL/FedEx/UPS). DDP, DAP, CIF, FOB terms all supported.
In-stock items: 1-3 days dispatch. Air freight: 3-7 days door-to-door. Sea freight: 15-35 days by destination.
| 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 |
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.
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.
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.
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.
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.
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.
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 →
Send us your bearing model, quantity, and delivery requirements. Our SKF-certified team will respond with a formal quotation, traceability certificate, and logistics plan.