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, Saws, Impact Wrenches |
| Industrial Machinery |
CNC Machine Spindles, Gearboxes, Robotic Arms |
| Automotive Components |
Electric Vehicle Drive Systems, Steering Assemblies |
| Aerospace |
Lightweight Precision Mechanical Systems |
| Home Appliances |
High-Speed Blenders, Power Mixers |
Eliminate Power Tool Downtime with 3307-TN9 Double Row Angular Contact Ball Bearing
Power tool manufacturers and repair services often face unexpected production halts due to bearing failures. Low-precision bearings with poor cage durability can cause excessive vibration, noise, and premature wear, leading to costly rework and missed deadlines. Sourcing reliable high-precision bearings with flexible order options remains a challenge for many buyers.
High Precision Nylon Cage Bearings for Consistent Power Tool Performance
Our 3307-TN9 Double Row Angular Contact Ball Bearing addresses these challenges with its P0-P6 precision ratings and durable Nylon Cage design. As a professional bearing manufacturer with decades of export experience, we ensure each bearing meets strict ISO standards, making it ideal for high-speed power tools where stability and longevity are critical. The double row structure provides enhanced radial load capacity, reducing the risk of premature failure in heavy-duty applications.
Optimal Performance in High-Speed Power Tool Applications
This Double Row Angular Contact Ball Bearing excels in power tools operating at high rotational speeds, typically ranging from 5,000 to 15,000 r/min. Its angular contact design accommodates both radial and axial loads, making it suitable for tools like impact drivers and angle grinders that experience combined loading during operation. The Nylon Cage material reduces friction and heat generation, ensuring consistent performance even in extended use scenarios.
Key Technical Features That Enhance Tool Reliability
The 3307-TN9 Bearing’s precision rating directly impacts power tool accuracy; P4 grade bearings, for example, minimize runout to less than 5μm, ensuring smoother operation and improved tool control. The choice of Nylon Cage over traditional steel cages reduces weight by up to 30% and enhances lubricant retention, extending maintenance intervals. Bearing Steel construction provides a hardness of HRC 58-62, ensuring resistance to wear under continuous load. The separated design allows for easy installation and maintenance, a critical factor for repair services and manufacturers alike.
Why Genuine Bearings Reduce Total Cost of Ownership
Using counterfeit or low-quality angular contact ball bearings may seem cost-effective initially, but they often lead to hidden expenses. A typical bearing failure in a production line can result in 8-16 hours of downtime, costing thousands in lost productivity. Our bearings, certified under ISO 9001:2015 quality management system, undergo rigorous noise and vibration testing (Z2-Z4 grades) to ensure reliability. With a 12-month warranty, we stand behind every product, reducing the risk of unexpected replacement costs.
Our Commitment to Reliable Bearing Supply
Jinan Saifan Bearing Co., Ltd, founded in 2005, brings 18+ years of manufacturing expertise to every order. We serve customers in Europe, North America, Southeast Asia, and the Middle East, with a proven track record of delivering 98.7% of orders on time. Our in-house laboratory conducts dimensional detection and service life experiments, ensuring each bearing meets international standards. We offer flexible MOQ policies—1 piece for standard bearings—and sample orders with 3-5 day delivery, supporting both small-scale repairs and large production runs. Our technical team provides free guidance on bearing selection and installation, helping customers avoid costly选型 mistakes.
Packaging & Shipping
- Protective carton packaging with pallet reinforcement for bulk orders
- 3-5 working days delivery for sample orders, 5-15 days for bulk quantities
- Multiple logistics options: DHL, FedEx, UPS, air freight, and sea freight
- Real-time tracking number provided upon shipment
- 1 piece MOQ available for standard bearings, supporting urgent repair needs
Secure Your Power Tool Bearings Today
Don’t let bearing failures disrupt your production schedule. Whether you need a single replacement bearing or bulk orders for manufacturing, our 3307-TN9 Double Row Angular Contact Ball Bearing delivers the precision and durability your power tools demand. Contact us now to confirm specifications and get a quote—every day of delay could mean lost productivity.
Frequently Asked Questions
Q: Are these bearings genuine SKF products?
A: Yes, we supply genuine original brand bearings, including SKF, with complete traceability documentation to ensure authenticity.
Q: How can I confirm if the 3307-TN9 bearing fits my power tool?
A: Provide your tool model or specific dimensions (bore diameter, outer diameter, width), and our technical team will verify compatibility free of charge.
Q: What is the warranty period for this bearing?
A: We offer a 12-month warranty from the date of delivery, covering manufacturing defects with free replacement or refund options.
Q: What is the minimum order quantity for the 3307-TN9 bearing?
A: Standard bearings have a 1 piece MOQ, making it suitable for both individual repairs and large-scale production orders.
Q: How quickly can you ship the bearings after payment?
A: Sample orders ship within 3-5 working days, while bulk orders typically deliver within 5-15 working days, depending on quantity.
Q: How do you ensure bearing quality before shipment?
A: All products undergo unified standard finished product inspection, including dimensional checks and performance testing, to ensure consistent quality.
Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we’ll respond within 24 hours.
