6004 Zz 2RS DDU SKF Deep Groove Ball Bearing 20x42x12mm for High-Precision Applications

Product Specifications

Application Suitability

Struggling with Bearing Reliability in High-Precision Applications? The 6004 SKF Deep Groove Ball Bearing Delivers Consistency

Many industrial operations face unexpected downtime due to bearing failures—whether from misaligned tolerances, premature lubrication loss, or substandard material quality. When sourcing a 20x42x12mm bearing for critical equipment, the challenge lies in finding a product that balances precision, durability, and timely availability without compromising on authenticity.

Engineered for High-Precision Performance in Demanding Environments

The 6004 SKF deep groove ball bearing addresses these challenges with its robust design and adherence to strict quality standards. Available with Zz, 2RS, or open seals, it accommodates both grease and oil lubrication, making it versatile for diverse operating conditions. Our ISO 9001-certified supply chain ensures access to this SKF bearing and thousands of other models, with inventory that supports urgent delivery needs—critical for minimizing production interruptions in sectors like automation and manufacturing.

Optimal Performance in Radial Load Applications

Designed as a single-row radial bearing with a 0° contact angle, this 6004 SKF bearing excels in applications where radial loads are primary. Its non-aligning design and unseparated structure maintain stability at high speeds, while precision ratings from P0 to P4 cater to varying accuracy requirements—from general industrial use to high-precision machine tools. The 20x42x12mm dimension ensures compatibility with common shaft and housing configurations, reducing installation complexity.

Key Engineering Features That Impact Long-Term Reliability

The bearing’s performance is rooted in critical specifications that directly influence service life. Its bearing steel construction provides the hardness needed to withstand repeated load cycles, while vibration classes Z1V1 to Z3V3 allow selection based on noise and stability requirements—essential for precision equipment where excessive vibration can compromise product quality. The choice of seal type further extends reliability: Zz metal shields offer basic protection in clean environments, while 2RS rubber seals provide enhanced contamination resistance in dusty or moist conditions, reducing maintenance frequency.

Why Choosing the Right Bearing Reduces Total Cost of Ownership

Investing in a high-quality 6004 2RS bearing like this SKF model may seem like a higher upfront cost, but it mitigates hidden expenses associated with frequent replacements. Poorly manufactured bearings often fail early due to inconsistent material hardness or imprecise dimensions, leading to unplanned downtime, labor costs for replacements, and potential damage to adjacent components. This SKF deep groove ball bearing, with its traceable production batch and strict quality testing, delivers predictable performance—aligning with ISO 281 fatigue life standards to lower long-term operational costs.

Quality You Can Verify Through Transparent Processes

Packaging & Shipping

• Standard packaging: Individual bearings in cartons, bulk quantities on pallets
• Expedited shipping available for urgent orders, with delivery timelines based on destination
• Multiple logistics options: Courier, air freight, or sea freight to match your budget and timeline
• Flexible minimum order quantities, supporting both small-scale trials and large-volume production runs

Get a Quote for Your 6004 SKF Bearing Requirement

Whether you need the 6004 Zz, 2RS, or DDU variant, provide your exact seal type, precision class, and quantity, and we’ll deliver a competitive quote with lead time. Our technical team can also assist in verifying compatibility with your equipment—simply share your application details or existing bearing part number.

Frequently Asked Questions