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 3307-A TN9 Nylon Cage for Power Tools
Double Row Angular Contact Ball Bearing 3307-A TN9 Nylon Cage for Power Tools
In Stock · Ready to Ship
<p>Boost power tool performance with SKF's precision-engineered <strong>Double Row Angular Contact Ball Bearing 3307-A TN9</strong>, designed to deliver exceptional radial and axial load handling for seamless operation in high-torque applications. The durable nylon cage reduces friction and heat buildup, ensuring longer tool life and consistent output even during extended use.</p><ul><li>SKF-certified quality guarantees full traceability, eliminating compliance concerns for global OEMs</li><li>Double row angular contact design optimizes rigidity, minimizing vibration for smoother, more accurate work</li><li>Precision rating options (P0-P6) allow customization to match specific tool performance requirements</li><li>Direct from authorized distributor stock for reliable, on-time delivery that keeps production lines running</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 3307-A TN9 Nylon Cage for Power Tools -- 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 |
| Specification | As Your Request |
| Trademark | SKF |
| Origin | Jiangsu China |
| Production Capacity | 1000000 |
Application Industries
| Industry | Typical Equipment |
|---|---|
| Power Tools Manufacturing | Drills, Grinders, Sanders, Power Saws |
| Industrial Machinery | Electric Motors, Gearboxes, Spindles |
Reduce Downtime with Genuine SKF 3307-A TN9 Double Row Angular Contact Ball Bearing for Power Tools
Power tool manufacturers know the frustration: counterfeit bearings failing prematurely, causing production line shutdowns and costly rework. Multi-tier distribution channels stretch delivery times by 30–50%, leaving maintenance teams waiting for critical replacements. Even when bearings arrive, unclear traceability documents create customs clearance delays and quality liability risks.
Authentic SKF 3307-A TN9 Bearings: In Stock and Ready to Ship
As an official SKF distributor, we deliver 100% genuine Double Row Angular Contact Ball Bearings directly from authorized supply chains. Our large centralized warehouse ensures the 3307-A TN9 Nylon Cage variant is consistently in stock for immediate dispatch, eliminating the lead time issues of traditional distribution. Each bearing undergoes full-process quality management compliant with ISO 9001 and SKF global standards, verified by complete traceability certificates to streamline your procurement and compliance processes.
Optimized Performance in Power Tool Applications
The SKF 3307-A TN9 Double Row Angular Contact Ball Bearing excels in high-speed, radial-load power tool environments. Its double row design handles combined radial and axial loads, while the nylon cage reduces friction and heat generation during continuous operation—critical for power drills, grinders, and sanders where consistent performance directly impacts tool durability and user safety. The separated structure allows for easy mounting and maintenance, minimizing equipment downtime during repairs.
Technical Engineering Behind Reliable Operation
The 3307-A TN9’s performance is defined by key engineering features: Bearing steel construction ensures high fatigue resistance, extending service life under repetitive load cycles. Precision ratings from P0 to P2 accommodate applications requiring tight tolerances, with P2 grades ideal for high-precision power tool spindles. Nylon cage material offers superior lubrication retention and reduced noise compared to metal alternatives, enhancing user experience. Radial load capacity makes it suitable for heavy-duty power tools, while oil-grease lubrication provides versatility across operating temperatures.
Total Cost of Ownership: Why Genuine Matters
Choosing unauthorized 3307-A TN9 bearings may seem cost-effective initially, but hidden expenses add up. Gray-market products often lack proper material heat treatment, leading to 50% shorter service life and frequent replacements. Failed bearings can damage motor shafts or gear assemblies, resulting in repair costs 3–4 times the bearing price. As an authorized distributor, we provide complete traceability documentation, avoiding customs delays that cost an average of $2,000 per day in滞留 fees. Genuine SKF bearings reduce total ownership costs by minimizing downtime and ensuring compliance with international quality standards.
Our Commitment to Power Tool Manufacturers
We serve over 60 countries worldwide, with core clients including industrial equipment OEMs and maintenance service providers who rely on our four key strengths: Official SKF authorization guarantees full product traceability, with certification provided for every order. Our SKF-certified technical team offers free model selection support based on your power tool’s operating conditions, from speed to load requirements. A dedicated account manager tracks each order from warehouse pick to delivery, providing real-time visibility. Global door-to-door logistics ensures your bearings arrive when needed, whether via express courier for emergency repairs or bulk shipping for production runs.
Packaging & Shipping
- Original SKF packaging with unique serial numbers andé˜²ä¼ªæ ‡ç¾ for authenticity verification
- Standard carton pallet packaging with shock-absorbing materials to prevent transit damage
- 现货 availability for 3–7 business day delivery to most global destinations
- Flexible shipping options including DHL, FedEx, UPS, air freight, and sea freight
- 1 piece minimum order quantity to support both emergency repairs and small-batch production
Get Your Power Tools Back to Full Productivity
Every day your production line waits for replacement bearings costs money. Send us your order details—bearing model 3307-A TN9, quantity, and delivery location—and our team will issue a formal quotation within 24 hours. We support sample testing for quality verification before full production orders, ensuring the bearing meets your power tool’s exact requirements.
Frequently Asked Questions
Q: Are these genuine SKF bearings?
A: Yes, we are an official SKF authorized distributor. Every 3307-A TN9 bearing comes with complete traceability documentation and brand authorization certificates to confirm authenticity.
Q: How do I confirm if the 3307-A TN9 is suitable for my power tool?
A: Provide your tool’s operating parameters (speed, load, temperature range) or equipment model, and our SKF-certified technical team will verify compatibility and suggest optimal configurations.
Q: What is your warranty policy?
A: We adhere to SKF’s global warranty standards, covering manufacturing defects with unconditional replacement or refund. Full warranty terms are provided with each order.
Q: What is the minimum order quantity?
A: We accept orders starting from 1 piece, supporting both emergency maintenance needs and small-batch production requirements.
Q: How quickly can you ship?
A: The 3307-A TN9 is typically in stock, with delivery within 3–7 business days via express courier. Bulk orders can be scheduled with dedicated inventory reservation.
Q: How can I verify the bearing’s authenticity upon receipt?
A: Check the packaging for SKF’s holographicé˜²ä¼ªæ ‡ç¾ and unique serial number, which can be verified through SKF’s official website. We also provide a traceability certificate with each shipment.
Ready to order or need a quote?
Send your bearing designation (3307-A TN9), 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