High Precision SKF 6306 Deep Groove Ball Bearing 30x72x19mm for CNC Machine Tools

Product Specifications

Application Industries

Stop CNC Downtime with Precision Bearings You Can Rely On

CNC machine operators know the cost of unexpected downtime—hours of lost production, missed deadlines, and costly repairs. When bearings fail prematurely, the root cause often traces back to substandard components or incorrect specifications. Sourcing replacement parts from multiple suppliers only adds frustration, with inconsistent lead times and quality concerns delaying your return to operation.

Genuine SKF 6306 Bearings, In Stock for Immediate Delivery

Our High Precision SKF 6306 Deep Groove Ball Bearing is engineered to eliminate these headaches. As an officially authorized SKF distributor, we guarantee 100% authentic products that meet the strictest industry standards. With P4/P2 precision grade bearings in ready stock, we can fulfill urgent orders faster than traditional supply chains, minimizing your equipment's idle time. This 30x72x19mm bearing is specifically designed for the high-speed, high-accuracy demands of CNC machine tool spindles and rotary axes.

Where This Bearing Excels

The SKF 6306 Deep Groove Ball Bearing thrives in applications requiring consistent radial load handling and precise rotational performance. Its single-row design and non-aligning configuration make it ideal for CNC machine tool spindles operating at moderate to high speeds, where minimal vibration and heat generation are critical. Whether used in vertical machining centers, lathes, or milling machines, this bearing maintains dimensional stability even under continuous operation.

Technical Details That Define Performance

The precision rating of this bearing directly impacts your CNC machine's accuracy—P4 and P2 grades offer tighter tolerances for reduced runout and improved surface finish quality. Its contact angle of 0° optimizes radial load capacity, while the available seal options (ZZ, 2RS, Open) let you balance protection against contaminants with friction levels. The Z3V3 vibration classification ensures smooth operation at high speeds, reducing noise and extending tool life. Constructed from high-grade bearing steel, this component delivers reliable performance across the typical operating temperatures of industrial machining environments.

Why Authentic Bearings Matter for Your Bottom Line

Counterfeit bearings may offer initial cost savings, but they often lead to premature failure, costing far more in downtime and repairs. A single CNC spindle failure can result in thousands of dollars in lost production. Our genuine SKF 6306 bearings, manufactured to DIN and ISO standards, provide predictable service life and consistent performance, lowering your total cost of ownership. Each bearing undergoes standardized precision testing before shipment, ensuring it meets the exact specifications required for your application.

Why 800+ Global Clients Choose Our Bearing Solutions

Packaging & Shipping

• Original SKF packaging with product certification and batch traceability
• Reinforced carton pallet packaging for international shipping protection
• Priority processing available for emergency maintenance requirements
• Global logistics partners including DHL, FedEx, and UPS for reliable delivery
• Real-time shipment tracking provided from warehouse to destination
• Minimum order quantity of 1 unit, supporting both scheduled maintenance and urgent repairs

Get Your CNC Machine Back to Work Faster

Every hour your CNC machine sits idle eats into your production targets. With our ready stock of genuine SKF 6306 bearings, you can minimize downtime and maintain schedule reliability. Simply provide your machine model, required quantity, and delivery location, and our team will process your request within one working day.

Frequently Asked Questions