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 |
| Manufacturing |
CNC Machines, Spindles, Gearboxes |
| Automotive |
Automotive Transmissions, Drive Systems |
Minimize Downtime with 3307-a Double Row Angular Contact Ball Bearing for CNC & Automotive Applications
Nothing halts production faster than unexpected bearing failure in critical equipment. CNC machine operators know the cost of spindle downtime—missed deadlines, idle labor, and rushed repairs. Automotive transmission manufacturers face similar risks when component reliability wavers. Sourcing bearings that balance precision, durability, and quick availability is a constant challenge in these high-stakes industries.
Precision Engineered 3307-a Bearings for Demanding Operations
Our Double Row Angular Contact Ball Bearing 3307-a addresses these pain points directly. Designed for the rigorous demands of CNC machines and automotive transmissions, this bearing combines high precision (available from P0 to P4 grades) with robust construction. As a professional bearing manufacturer with decades of export experience, we ensure each unit meets strict ISO standards, supporting both standard requirements and custom specifications to match your exact application needs.
Optimal Performance in High-Speed, Heavy-Load Environments
This Angular Contact Bearing excels in scenarios where both radial and axial loads are present—common in CNC spindle assemblies and automotive transmission systems. Its double row design provides enhanced rigidity and load-carrying capacity, while the separated structure allows for easy mounting and maintenance. Whether operating at high rotational speeds or under fluctuating loads, the 3307-a maintains stability, reducing vibration and extending equipment service life.
Key Technical Features That Drive Reliability
The performance of the 3307-a Angular Contact Ball Bearing stems from its critical technical attributes. Precision rating options (P0 to P4) ensure tight tolerances for minimal runout, crucial for CNC machining accuracy. Multiple cage materials—steel, copper, and nylon—offer flexibility: steel cages for high-temperature resilience, copper for superior heat dissipation, and nylon for reduced noise in quiet operation. Lubricated with high-quality oil grease, the bearing minimizes friction, supporting efficient power transmission in automotive transmissions and CNC drives.
Why Genuine Bearings Matter for Long-Term Cost Efficiency
Choosing genuine bearings over counterfeit alternatives avoids hidden costs. Inferior bearings often fail prematurely, leading to unplanned shutdowns and expensive repairs. Our 3307-a bearings, certified under ISO 9001:2015 and ISO 14001 standards, undergo rigorous testing—including dimensional inspection and performance validation—to ensure reliability. The result is lower total cost of ownership, as fewer replacements and less downtime offset the initial investment in quality.
Your Trusted Partner for Bearing Solutions
With over 18 years in the industry, Jinan Saifan Bearing Co., Ltd. has built a reputation for dependability. We serve global markets across Europe, North America, and Southeast Asia, offering one-stop service from R&D to delivery. Our strict quality control includes incoming material inspections and full-process supervision, ensuring consistent performance. For distributors and wholesalers, we provide free samples (freight borne by customer) and flexible MOQ—just 1 piece for standard bearings. Our professional technical team offers free guidance on selection, installation, and maintenance, backed by a 12-month warranty for added peace of mind.
Packaging & Shipping
- Secure carton pallet packaging to prevent damage during transit
- Sample orders shipped within 3-5 working days; bulk orders within 5-15 working days
- Multiple logistics options including express, air, and sea freight
- Real-time tracking provided for all shipments
- Flexible order quantities: 1 piece MOQ for standard bearings, customized orders negotiable
Get Your 3307-a Bearing Shipped Today
Don’t let equipment downtime impact your productivity. Whether you need a single sample for testing or bulk orders for production, we’re ready to fulfill your requirements. Send us your specifications, and our team will confirm compatibility and provide a prompt quote—keeping your operations running smoothly.
Frequently Asked Questions
Q: Are these bearings genuine SKF products?
A: Yes, we supply genuine original brand bearings, including SKF, with full traceability to ensure authenticity.
Q: How do I confirm if the 3307-a is suitable for my CNC machine?
A: Provide your machine model, spindle speed, and load requirements. Our technical team will verify compatibility and recommend the optimal precision grade.
Q: What is the warranty period for the 3307-a 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 this bearing?
A: Standard bearings have a 1 piece MOQ, making it easy to order replacements or test samples.
Q: How quickly can I receive my order?
A: Sample orders ship within 3-5 working days, while bulk orders take 5-15 working days depending on quantity.
Q: How can I verify the authenticity of the bearing upon receipt?
A: Each product includes original packaging with brand markings. We can also provide certification documents and traceability information upon request.
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