Industrial Deep Groove Ball SKF 6306 Bearings 30x72x19mm ZZ/2RS for High-Precision Machinery

Product Specifications

Application Suitability

Need High-Precision SKF 6306 Bearings? Avoid These Common Pitfalls

When sourcing deep groove ball bearings for critical machinery, procurement teams often face frustrating challenges: mislabeled products with inaccurate dimensions that cause installation delays, or substandard bearings that fail prematurely under load. The SKF 6306 bearings, with their 30x72x19mm specification, are widely used in high-precision applications—but finding genuine, traceable units can be a hassle without the right supply chain partner.

Built for Reliable, Long-Term Performance in Industrial Machinery

The SKF 6306 bearings address these pain points through their precision engineering and strict quality control. As a specialized supplier with direct access to global distribution centers, we ensure these bearings meet original factory standards, supporting everything from wind turbine gearboxes to automotive transmission systems. With multiple seal options (ZZ and 2RS) and precision ratings up to P2, they adapt to diverse operating conditions while maintaining consistent performance.

Optimal Performance in High-Demand Operating Conditions

This bearing excels in applications requiring radial load support and moderate speeds, typical in steel mill conveyors and construction equipment hydraulic systems. Its non-aligning design suits rigid shaft setups, while the 0° contact angle ensures efficient load distribution. The Z1V1 to Z3V3 vibration classes allow selection based on noise sensitivity—critical for precision machinery where excessive vibration can compromise product quality.

Engineering Details That Impact Real-World Performance

The 30mm bore diameter and 72mm outer diameter provide a balanced footprint for standard industrial shafts, while the 19mm width offers sufficient load-bearing capacity without excessive space requirements. Constructed from high-grade bearing steel, these units deliver the surface hardness needed to resist wear in dusty mining environments or high-temperature steel mill operations. The choice between ZZ (metal shielded) and 2RS (rubber sealed) variants lets you prioritize either ventilation (for oil lubrication) or contamination protection (in dirty conditions), directly affecting maintenance intervals and service life.

Why Choosing the Right SKF 6306 Bearing Reduces Total Costs

Selecting authentic SKF 6306 bearings avoids the hidden costs of using inferior alternatives. A bearing with substandard precision (e.g., P0 instead of specified P5) can cause excessive shaft runout, leading to premature seal failure and unplanned downtime. Similarly, incorrect lubrication type—either grease or oil—directly impacts friction levels and heat generation, shortening service life. By ensuring the bearing matches your application's exact requirements (seal type, precision class, vibration rating), you minimize replacement frequency and maintenance labor, ultimately lowering total operational expenses.

Quality You Can Verify Through Complete Traceability

Packaging & Shipping

• Standard packaging: Carton with pallet for bulk orders; individual packaging available for small quantities
• Package dimensions: 8.20cm × 8.20cm × 3.00cm per unit
• Global delivery: 7-15 days door-to-door to most countries via established logistics partners
• Flexible order quantities: Support for both small emergency orders and large-scale production requirements

Get a Quote for Your SKF 6306 Bearing Requirement

Whether you need SKF 6306 ZZ bearings for a steel mill or 2RS variants for dusty mining equipment, provide your exact model, quantity, and delivery location, and we’ll promptly share pricing and availability. Our technical team can also assist with cross-referencing if you need alternatives to existing part numbers—let us help ensure you get the right bearing for your application.

Frequently Asked Questions