High Precision SKF 6306/6206 2RS1/ZZ Deep Groove Ball Bearings for CNC Machine Tools 30x72x19mm

Product Specifications

Application Industries

Reduce CNC Downtime with Genuine SKF 6306/6206 Deep Groove Ball Bearings

Machine shops lose an average of 8 production hours monthly due to bearing failures—often from counterfeit parts with inconsistent material quality. Sourcing multiple bearing brands for CNC maintenance means juggling 4-5 suppliers, each with different lead times and quality standards. When emergency repairs hit, waiting 3+ weeks for genuine bearings can derail project deadlines and inflate operational costs.

Genuine SKF Bearings, In Stock for Immediate Delivery

Our High Precision SKF 6306/6206 2RS1/ZZ Deep Groove Ball Bearings eliminate these frustrations. As an officially authorized SKF distributor, we maintain ready stock of P4/P2 precision grade bearings, ensuring your CNC machine tools get the exact replacement parts within days, not weeks. Each bearing undergoes standardized precision testing before shipment, verifying dimensions (30x72x19mm) and performance to meet ISO 9001 and DIN standards—critical for maintaining spindle accuracy in high-speed machining.

Engineered for CNC Machine Tool Performance

These SKF Deep Groove Ball Bearings excel in the demanding conditions of CNC machining centers, where radial loads, high rotational speeds, and tight tolerance requirements are the norm. The 0° contact angle design optimizes radial load capacity, while options for ZZ metal shields or 2RS rubber seals address specific application needs—ZZ for high-temperature environments up to 120°C, and 2RS for superior contamination resistance in dusty workshops. With vibration grades up to Z3V3, they minimize noise and ensure stable operation during precision cutting.

Technical Details That Maximize Machine Uptime

Precision rating directly impacts CNC performance: P4 grade bearings reduce runout to 3-5μm, critical for maintaining part accuracy in milling and turning operations. The bearing steel construction provides surface hardness of 60-64 HRC, ensuring wear resistance even under continuous operation. Lubrication flexibility (grease or oil) allows customization for spindle speeds—grease for standard applications up to 5,000 r/min, oil mist lubrication for high-speed spindles exceeding 10,000 r/min. When paired with SKF's optimized internal geometry, these features extend bearing service life by 30% compared to generic alternatives.

Avoid the Hidden Costs of Counterfeit Bearings

Non-genuine bearings may cost 30% less upfront, but they typically fail within 3-6 months—triggering $2,000+ in repair costs and 16+ hours of unplanned downtime. Our SKF bearings come with full certification documentation, traceable to the original manufacturing batch, ensuring compliance with strict industrial quality standards. The single-row, unseparated design eliminates assembly errors during installation, while adherence to DIN 625-1 dimensional standards guarantees perfect fit with existing CNC components—reducing the risk of collateral damage to shafts or housings.

Why 800+ Global Clients Trust Our Bearing Solutions

Packaging & Shipping

• Original SKF packaging with individual box labeling and batch traceability
• Reinforced outer carton and palletization for bulk orders
• Package Size: 7.60cm × 7.60cm × 3.00cm per unit
• Package Gross Weight: 0.400kg per unit
• Priority processing for urgent maintenance orders
• Real-time logistics tracking via DHL, FedEx, or UPS
• Global delivery within 3-7 business days for in-stock items

Get Your CNC Bearings Shipped Today

Don’t let bearing delays halt your production. Send us your bearing designation (6306/6206 2RS1/ZZ), CNC machine model, and required quantity—our team will confirm stock availability and provide a detailed quote within one working day. With 1-piece minimum order capability, we support both emergency repairs and scheduled maintenance programs. Your equipment’s precision depends on the bearings you install—trust genuine SKF quality backed by professional engineering support.

Frequently Asked Questions