High Precision SKF 6309 Deep Groove Ball Bearing P4/P2 Grade for CNC Machine Tools

Product Specifications

Application Industries

Reduce CNC Downtime with Precision SKF 6309 Deep Groove Ball Bearings

CNC machine operators know the cost of unexpected spindle failure—hours of production lost, missed deadlines, and expensive repairs. Many face the challenge of sourcing genuine high-precision bearings quickly, especially when dealing with multiple suppliers for different components. Mismatched delivery times and inconsistent quality only add to the frustration of keeping critical machinery running.

Genuine SKF 6309 Bearings in Stock for Immediate Delivery

As an officially authorized SKF distributor, we maintain ready stock of High Precision SKF 6309 Deep Groove Ball Bearings in P4 and P2 grades—exactly the precision levels required for CNC machine tool spindles and servo systems. Our streamlined one-stop procurement process eliminates the need to coordinate with multiple suppliers, ensuring cross-brand technical verification and unified delivery within your project timeline.

Engineered for High-Speed CNC Operations

The SKF 6309 Deep Groove Ball Bearing excels in applications requiring high rotational speed and radial load capacity, such as CNC spindle assemblies operating at up to 10,000 rpm. Its 45mm bore diameter and 100mm outer diameter provide the perfect balance of compact design and load handling, while the 25mm width ensures stable performance under continuous operation. Whether used in vertical machining centers or horizontal lathes, this bearing delivers the consistent precision needed for tight-tolerance machining.

Technical Details That Maximize CNC Performance

Every parameter of the SKF 6309 Bearing is engineered to enhance CNC machine reliability. The P4/P2 precision ratings ensure minimal radial and axial runout, critical for maintaining dimensional accuracy in precision machining. Available seal options—2RS (contact rubber seals) for contamination protection or 2Z (metal shields) for high-temperature environments—allow customization to specific operating conditions. The Z3V3 vibration class minimizes noise and resonance, extending tool life and improving surface finish quality. With bearing steel construction and strict adherence to DIN and ISO standards, this component delivers predictable performance even under varying cutting loads.

Why Genuine SKF Bearings Lower Total Cost of Ownership

Counterfeit bearings may offer lower upfront costs, but they often fail prematurely due to substandard materials and manufacturing processes. A single spindle failure from a fake bearing can cost thousands in downtime and repairs—far exceeding the savings from buying non-genuine parts. Our SKF 6309 Bearings come with full traceability documentation, ensuring you receive components manufactured to SKF's exacting standards. By investing in genuine high-precision bearings, you reduce unplanned maintenance, extend equipment life, and protect your production schedule from avoidable disruptions.

Why 800+ Global Clients Trust Our Bearing Solutions

Packaging & Shipping

• Original SKF packaging with防伪标签 and product certification documentation
• Shockproof and dustproof consolidated packaging to preserve precision during transit
• Express delivery options available for urgent maintenance needs
• Real-time logistics tracking provided for all shipments
• Minimum order quantity: 1 unit, supporting both scheduled maintenance and emergency repairs

Get Your SKF 6309 Bearing Shipped Today

Don't let bearing issues delay your production schedule. Whether you need a single P4 grade SKF 6309 for emergency spindle repair or bulk P2 grade bearings for new machine builds, we have the inventory and expertise to meet your needs. Send us your exact model requirements and application details, and our engineering team will confirm compatibility and provide a quote within one working day.

Frequently Asked Questions