Description
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 |
Application Suitability
| Industry | Typical Applications |
|---|---|
| CNC Machinery | High precision spindle systems, tool changers, linear guide assemblies |
Need a Reliable SKF 3307-a Bearing for Your CNC Machine? Here’s What Matters
CNC machine operators know the frustration of precision errors caused by substandard bearings. When angular contact bearings fail to maintain P4/P5 accuracy, machining tolerances drift, scrap rates rise, and production schedules get disrupted. Sourcing the right double row angular contact bearing often means sorting through inconsistent quality and unclear specifications.
Built for CNC Machine Precision and Durability
This SKF 3307-a double row angular contact ball bearing addresses these challenges with its P4/P5 precision ratings and robust construction. As a supplier with comprehensive bearing expertise, we ensure this bearing meets the exacting standards required for CNC machine spindles and critical motion control components. Our extensive inventory covers a wide range of SKF bearing models, supporting same-day shipping for common specifications to minimize downtime.
Where This Bearing Performs Best
Designed for radial and axial load handling in high-speed CNC applications, this bearing excels in environments where rotational accuracy and rigidity are non-negotiable. Its double row structure provides higher load capacity compared to single row designs, making it ideal for vertical spindle applications and precision tooling systems. The angular contact design manages combined loads effectively, ensuring stable performance even during rapid acceleration and deceleration cycles.
Engineering Details That Matter
The bearing’s precision rating directly impacts CNC machining quality—P4 grade offers tighter dimensional tolerances and lower runout, critical for fine finishing operations, while P5 provides an optimal balance of precision and cost for general CNC applications. Constructed from high-quality bearing steel, it delivers excellent wear resistance and fatigue life under continuous operation. Available with steel, copper, or nylon cages, the bearing can be tailored to specific speed and temperature requirements. The separated design allows for easy mounting and dismounting, simplifying maintenance procedures in machine tool applications.
Why Bearing Selection Affects Total Cost
Choosing the right high precision angular contact bearing goes beyond upfront cost. A bearing with inadequate precision can cause premature tool wear, increased energy consumption, and costly rework. This SKF 3307-a bearing’s consistent quality helps avoid unplanned downtime and extends maintenance intervals, reducing the total cost of ownership over time. By following industry standards for bearing selection and application, you ensure optimal performance and longevity for your CNC equipment.
Quality You Can Rely On
Our bearings undergo strict quality control processes, including dimensional inspection and material verification, to ensure compliance with industry standards. We provide comprehensive documentation, including batch inspection reports, to trace product origin and quality. With a focus on genuine products, we source directly from established manufacturers to guarantee authenticity. Our technical team offers expert guidance on bearing selection and application, helping you avoid costly mismatches. We stand behind our products with a warranty against manufacturing defects, providing additional peace of mind.
Packaging & Shipping
- Packaged in sturdy cartons on pallets to prevent damage during transit
- Stock availability supports prompt shipping for urgent requirements
- Flexible shipping options including express courier, air freight, and sea freight
- Accommodates both small quantity orders and large volume purchases
Request a Quote for SKF 3307-a Bearing
To get started, provide the bearing model, required precision grade (P4/P5), and quantity. Our team will quickly confirm availability and provide a competitive quote. With our global supply chain and technical expertise, we ensure you receive the right bearing for your CNC machine application, delivered on time.
Frequently Asked Questions
Q: Do you supply other brands and models of bearings besides SKF?
A: Yes, we provide a full range of bearings across international brands and can source specific models according to your requirements.
Q: How can I confirm if this 3307-a bearing fits my CNC machine?
A: Provide your machine model or existing bearing dimensions (bore, outer diameter, width), and our technical team will verify compatibility.
What is your warranty policy for this bearing?
A: We offer a warranty against manufacturing defects. Specific terms are detailed in our sales agreement, typically covering material and workmanship issues.
What is the minimum order quantity for this bearing?
A: We accept small quantity orders to support maintenance needs, with competitive pricing available for larger volume purchases.
How long does shipping take to my location?
A: In-stock items ship within 1-2 business days. Delivery time depends on your location, with express options available for urgent requirements.
Can you provide custom bearing solutions for special applications?
A: Yes, we support OEM/ODM requirements, including custom dimensions and specifications, based on your technical drawings or samples.
Ready to order or need a quote?
Send the bearing model, dimensions (d x D x B), and quantity — we’ll get back to you with pricing and lead time.







