Mining & Metallurgy
Crushers, mills, conveyors, and smelting equipment under heavy radial/axial loads.
<p>Ensure your pump or blower operates at peak efficiency with the <strong>SKF 3305 A/C3 Double Row Angular Contact Ball Bearing</strong>, engineered to deliver exceptional load capacity and minimize downtime in high-stress industrial environments. This precision bearing combines SKF's renowned quality with a double row angular contact design, effectively handling both radial and axial loads to maintain stable performance even under heavy operating conditions.</p><ul><li> Crafted from high-grade bearing steel with a C3 clearance, ideal for applications where thermal expansion or vibration absorption is critical</li><li> Features a robust steel cage that ensures reliable ball guidance and extended service life, reducing the need for frequent replacements</li><li> Backed by SKF's global standards and full traceability documentation, streamlining your procurement process and ensuring compliance with export requirements</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 (C₀) | -- | 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 |
| Trademark | SKF |
| Origin | Jiangsu China |
| Industry | Typical Equipment |
|---|---|
| General Machinery | Centrifugal Pumps, Axial Flow Blowers |
| HVAC & Refrigeration | Industrial Ventilators, Cooling Tower Fans |
| Water Treatment | Circulation Pumps, Aeration Blowers |
| Manufacturing | Hydraulic Systems, Compressor Units |
OEM manufacturers know the cost of bearing failure in pumps and blowers—unplanned shutdowns disrupt production schedules, while counterfeit parts lead to frequent replacements and quality disputes. Multi-tier distribution channels often stretch delivery times by 30-50%, making it hard to align with maintenance windows. When your equipment relies on consistent high load capacity, choosing the wrong bearing isn’t just a parts cost issue—it’s a productivity risk.
As an official SKF authorized distributor, we provide 100% genuine Double Row Angular Contact Ball Bearing 3305 A/C3 with full traceability documentation, eliminating customs clearance obstacles and quality liability concerns. Our large centralized warehouse ensures stable bulk supply, while our 24-hour quotation response and dedicated inventory reservation system mean you can secure the high load capacity bearings your pump and blower applications demand without production delays.
The SKF 3305 A/C3 Double Row Angular Contact Ball Bearing excels in applications with combined radial and axial loads, typical in pump impellers and blower rotors. Its double row design delivers enhanced rigidity and load-carrying capacity compared to single row alternatives, maintaining performance under continuous operation. Whether your equipment operates in industrial ventilation systems or water circulation pumps, this bearing’s angular contact structure ensures precise alignment and reduced vibration, critical for extending equipment lifespan.
The SKF 3305 A/C3 incorporates several engineering details that directly impact performance. Its C3 clearance grade provides optimal internal space for thermal expansion during high-speed operation, preventing premature seizure in temperature-fluctuating environments. The bearing steel construction offers superior hardness and fatigue resistance, ensuring durability under the cyclic loads common in pump and blower applications. Available with steel, copper, or nylon cages, the design allows customization based on lubrication requirements and operating speeds—steel cages for high-temperature stability, nylon for reduced friction in moderate conditions.
Gray-market bearings may seem cost-effective initially, but their lack of quality control leads to 30-40% shorter service life and higher failure rates. A single bearing failure in a critical blower can cause production line shutdowns costing thousands in lost output. Our SKF 3305 A/C3 bearings, compliant with ISO 9001 and SKF global standards, deliver consistent batch quality and predictable performance, reducing maintenance frequency and unplanned downtime. With full traceability from manufacturing to delivery, you avoid the hidden costs of counterfeit components—rework, warranty claims, and damaged equipment reputation.
With 60+ countries served and a SKF-certified technical team, we offer more than just bearings. Every order includes dedicated account management tracking from warehouse to delivery, with real-time progress visibility. Our vertical distribution model eliminates middlemen, ensuring 30-50% faster lead times than traditional channels. We support sample testing and small-batch trials to verify performance before mass production, and our post-sales technical support includes installation guidance and failure analysis—so you’re never left managing bearing issues alone.
Don’t let bearing procurement delays keep your pumps and blowers offline. Send us your model list, application parameters, and order volume, and our team will issue a formal quotation with certification within 24 hours. With our stock availability and fast emergency delivery options, you can minimize downtime and get back to production faster.
Q: Are these genuine SKF bearings?
A: Yes, we are an official SKF authorized distributor. Every SKF 3305 A/C3 bearing comes with full traceability documentation and brand authorization certificates to verify authenticity.
Q: How do I confirm if this bearing fits my pump or blower?
A: Provide your equipment model, operating speed, and load conditions. Our SKF-certified technical team will verify compatibility and offer free选型 guidance.
Q: What is the warranty policy?
A: All SKF bearings are covered by the manufacturer’s warranty. We provide unconditional replacement for any manufacturing defects, supported by complete after-sales理赔服务.
Q: What is the minimum order quantity?
A: We accept orders starting from 1 unit, making us ideal for emergency maintenance needs as well as bulk OEM production.
Q: How quickly can you ship?
A: In-stock bearings are dispatched within 3-7 working days. For urgent requirements, contact our team for expedited delivery options.
Q: How can I verify the bearing’s authenticity upon receipt?
A: Check the packaging for SKF’s holographic防伪标签 and laser-etched part numbers. We also provide full traceability documents 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.
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.