Mining & Metallurgy
Crushers, mills, conveyors, and smelting equipment under heavy radial/axial loads.
<p>Ensure your CNC machine and automotive transmission operate with uncompromising precision using the <strong>Double Row Angular Contact Ball Bearing 3307</strong>—a genuine SKF solution that eliminates downtime risks from counterfeit parts and inconsistent supply. Designed to handle combined radial and axial loads with P0-P6 precision ratings, this bearing maintains stable performance even in high-speed industrial environments, keeping your production line synchronized with tight schedules.</p><ul><li>Double row angular contact design delivers superior rigidity for CNC spindle applications, reducing vibration and extending tool life</li><li>Available with steel, copper, or nylon cages to match specific operating temperatures and load requirements</li><li>100% traceable with full certification, ensuring seamless customs clearance and compliance for global OEM projects</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 |
| Specification | As Your Request |
| Trademark | SKF |
| Origin | Jiangsu China |
| Production Capacity | 1000000 |
| Industry | Typical Equipment |
|---|---|
| Manufacturing | CNC Machines, Spindles |
| Automotive | Transmission Systems |
OEM manufacturers often face unexpected downtime when low-quality bearings fail prematurely, especially in high-precision applications like CNC machine spindles and automotive transmissions. Inconsistent delivery times from multi-tier distributors disrupt production schedules, while unclear traceability documents create compliance risks during customs clearance.
As an official SKF authorized distributor, we provide 100% genuine Double Row Angular Contact Ball Bearing 3307 with full traceability documentation, eliminating counterfeit risks. Our large centralized warehouse ensures stable bulk supply, while our global door-to-door logistics network reduces lead times by 30-50% compared to traditional distribution channels. This bearing is engineered for high precision in CNC machine tools and automotive transmission systems, delivering consistent performance under demanding operating conditions.
The SKF 3307 Double Row Angular Contact Ball Bearing excels in applications requiring simultaneous radial and axial load handling, such as high-speed CNC machine spindles and automotive transmission gearboxes. Its double row design provides increased rigidity and load-carrying capacity, making it suitable for continuous operation under moderate to high rotational speeds. The separated structure allows for easy mounting and dismounting, simplifying maintenance procedures in production environments.
The precision rating options (P0, P2, P4, P5, P6) allow customization based on application requirements—P2 and P4 grades are ideal for CNC machines where minimal runout and high rotational accuracy are critical. The bearing's steel, copper, or nylon cage options accommodate different speed and temperature conditions: steel cages offer durability at high temperatures, while nylon cages reduce noise in precision applications. Lubrication with oil or grease ensures smooth operation, with grease options available for extended maintenance intervals. Constructed from high-quality bearing steel, this bearing provides excellent wear resistance and fatigue life under continuous load.
Non-genuine bearings may initially cost less, but they often lead to increased total cost of ownership. Early failure can cause CNC machine spindle damage or automotive transmission breakdowns, resulting in production line shutdowns that cost thousands in lost output. Incomplete traceability documentation from gray-market suppliers can lead to customs delays and quality liability disputes, especially for exported equipment. Our genuine SKF 3307 bearings come with full certification, ensuring compliance with ISO 9001 and SKF global standards, and reducing the risk of unplanned maintenance and associated costs.
We are an official SKF authorized distributor with a SKF-certified technical team, ensuring expert support for model selection, installation, and failure analysis. Our comprehensive quality management system includes full-process checks compliant with ISO 9001 standards, from incoming inspection to warehouse storage. With operations in 60+ countries, we offer global door-to-door logistics and dedicated account managers who track orders from warehousing to after-sales support. Our customized OEM schemes support both small-batch trials and large-scale production needs, with sample testing available to verify performance before mass orders.
Don’t let bearing issues disrupt your production schedule. Send us your SKF 3307 bearing requirements, including quantity and application details, and our team will provide a formal quotation with certification within 24 hours. With our reliable supply and technical support, you can maintain optimal equipment performance and avoid unplanned downtime.
Q: Are these genuine SKF bearings?
A: Yes, we are an official SKF authorized distributor. Every SKF 3307 bearing comes with full traceability documentation and brand authorization certificates to confirm authenticity.
Q: How can I ensure the bearing fits my CNC machine or transmission?
A: Provide your equipment model, working condition parameters (load, speed, temperature), and we’ll have our SKF-certified technical team verify the correct specification for your application.
Q: What is the warranty policy?
A: All bearings come with SKF’s original manufacturer warranty, covering manufacturing defects with unconditional replacement or refund.
Q: What is the minimum order quantity?
A: We accept orders starting from 1 piece, ideal for emergency repairs or small-batch testing before mass production.
Q: How long does shipping take?
A: In-stock SKF 3307 bearings are shipped within 3-7 business days via your choice of DHL, FedEx, UPS, air, or sea freight.
Q: How do I verify the bearing’s authenticity?
A: Each bearing includes SKF’s original packaging withé˜²ä¼ªæ ‡ç¾, laser-etched markings, and a traceability certificate. You can cross-verify details through SKF’s official channels using the provided documentation.
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.