Deep Groove Ball Bearings 6309-2Z/2RS1 6310 6311 P4 Precision for CNC Machinery

Product Specifications

Application Industries

Prevent CNC Downtime with Precision Deep Groove Ball Bearings

CNC machine operators know the cost of unexpected spindle failure—unplanned downtime, missed deadlines, and costly repairs. Many struggle with bearings that fail prematurely due to poor precision or counterfeit components, while others waste time coordinating with multiple suppliers for different bearing types. When your production line depends on consistent performance, these challenges directly impact your bottom line.

Genuine SKF Bearings, In Stock for Immediate Delivery

Our Deep Groove Ball Bearings 6309-2Z/2RS1, 6310, and 6311 with P4 precision are engineered to eliminate these frustrations. As an officially authorized SKF distributor, we guarantee 100% authentic products with full traceability. With sufficient ready stock of P4/P2 precision grade bearings, we ensure rapid delivery to keep your CNC machinery running without unnecessary delays. Whether you need sealed (2RS1) for contamination protection or shielded (2Z) for high-speed applications, our inventory covers your critical needs.

Engineered for High-Precision Industrial Environments

These bearings excel in demanding scenarios where accuracy and reliability are non-negotiable. Designed for radial loads and moderate axial loads, they operate seamlessly in CNC machine spindles, industrial automation systems, and semiconductor manufacturing equipment. With a contact angle of 0° and vibration levels up to Z3V3, they minimize noise and ensure stable performance even at high rotational speeds. The single-row design and unseparated construction provide consistent rigidity, making them ideal for precision machining operations.

Technical Details That Define Performance

The P4 precision rating of these bearings ensures tight dimensional tolerances, critical for maintaining spindle accuracy in CNC applications. This precision directly reduces runout and vibration, extending tool life and improving surface finish quality. Available seal options address specific environmental needs: 2RS1 seals offer superior protection against dust and moisture in harsh workshops, while 2Z shields provide lower friction for high-speed rotations. The bearing steel construction delivers excellent wear resistance, supported by grease or oil lubrication options to match operating conditions. With compliance to DIN and ISO standards, these bearings meet the strict requirements of advanced manufacturing industries.

The True Cost of Compromising on Bearing Quality

Choosing non-genuine or lower-precision bearings may seem cost-effective initially, but the hidden expenses add up quickly. Counterfeit bearings often fail within months, leading to spindle damage, unplanned downtime, and production losses that far exceed the initial savings. Our SKF Deep Groove Ball Bearings for CNC Machinery come with full certification documentation, ensuring compliance with international quality standards. By investing in genuine P4 precision bearings, you reduce maintenance costs, extend equipment lifespan, and protect your production schedule from avoidable disruptions.

Why 800+ Global Clients Trust Our Bearing Solutions

Packaging & Shipping

• Original SKF packaging with protective carton and pallet reinforcement
• Package Size: 11.00cm * 11.00cm * 3.50cm
• Package Gross Weight: 0.900kg per unit
• Priority processing available for urgent maintenance requirements
• Real-time logistics tracking with dedicated single point of contact
• Professional shockproof & dustproof logistics solutions to preserve bearing accuracy

Get Your Precision Bearings Shipped Today

Don’t let bearing issues slow down your production. Send us your complete procurement list, including the 6309-2Z/2RS1, 6310, or 6311 models, and our team will provide cross-brand verification, technical confirmation, and a unified quotation within one working day. With our sufficient ready stock, we can dispatch your order immediately—minimizing downtime and keeping your CNC machinery operating at peak performance.

Frequently Asked Questions