High Precision SKF Deep Groove Ball Bearing 6307 for CNC Machine Tools 35x80x21mm

Product Specifications

Application Industries

Reduce CNC Downtime with Genuine SKF 6307 Deep Groove Ball Bearings

CNC machine operators know the cost of unexpected downtime—hours of lost production, missed deadlines, and rushed maintenance. When bearings fail prematurely due to substandard quality or incorrect specifications, the impact ripples through entire manufacturing schedules. Sourcing reliable precision bearings often means coordinating with multiple suppliers, each with varying lead times and quality standards, adding unnecessary complexity to critical operations.

Genuine SKF 6307 Bearings In Stock for Immediate Delivery

Our High Precision SKF 6307 Deep Groove Ball Bearing eliminates these frustrations. As an officially authorized SKF distributor, we maintain ready stock of P4/P2 precision grade bearings, ensuring you receive 100% authentic products without delay. The 35x80x21mm dimensions make this bearing ideal for CNC machine tool spindles, where radial load capacity and rotational precision directly affect machining accuracy. Our standardized precision testing procedures verify every bearing before shipment, guaranteeing compliance with ISO 9001 and DIN standards.

Engineered for High-Precision Industrial Environments

This SKF 6307 Deep Groove Ball Bearing excels in applications requiring consistent performance under radial loads and moderate speeds. With a contact angle of 0°, it delivers optimal rigidity for CNC spindle applications, where minimal runout is critical for part quality. The single-row design and unseparated construction ensure easy installation and maintenance, while options for Zz (metal shielded), 2RS (rubber sealed), or open configurations allow customization to specific operating conditions—from oil-lubricated high-speed spindles to grease-sealed dusty environments.

Technical Specifications That Drive Reliability

Precision matters in CNC machining, and the SKF 6307 bearing delivers on multiple fronts. Available precision ratings from P0 (standard) to P4 (high precision) allow matching to application requirements—P4 grade minimizes radial and axial runout for tight-tolerance machining. Vibration classes Z1V1 to Z3V3 ensure smooth operation, reducing noise and extending tool life. The bearing steel construction provides durability under continuous use, while the choice of grease or oil lubrication offers flexibility for temperature and speed variations. These technical attributes combine to deliver consistent performance, even in the demanding cycles of modern CNC production.

Why Authenticity Matters for Your Bottom Line

Counterfeit bearings may offer lower upfront costs, but the hidden expenses are substantial. Substandard materials and manufacturing lead to premature failure, often within months of installation. A single bearing failure in a CNC spindle can cost thousands in repair parts, labor, and unplanned downtime. Our genuine SKF 6307 bearings come with full certification documentation, ensuring traceability from production to delivery. By investing in authentic precision bearings, you reduce the risk of catastrophic failures and lower long-term maintenance costs—protecting both your equipment and production schedule.

Your Trusted Partner for Precision Bearing Solutions

Packaging & Shipping

• Original SKF packaging with protective carton and pallet reinforcement
• Package dimensions: 10.00cm × 10.00cm × 4.10cm, gross weight 0.480kg
• Priority processing for urgent orders, with centralized shipment tracking
• Global logistics options including DHL, FedEx, UPS, air freight, and sea freight
• Minimum order quantity: 1 unit, supporting emergency maintenance needs

Get Your SKF 6307 Bearing Shipped Today

Don’t let bearing issues disrupt your CNC production. Send us your bearing designation, application details, and required quantity, and our team will provide a unified quotation within one working day—complete with authorization certificates and quality inspection documents. With ready stock and global delivery, we ensure you receive your SKF 6307 bearing when you need it most.

Frequently Asked Questions