Understanding the detailed specifications of a 6004 bearing is crucial for any industry professional or enthusiast aiming to leverage the maximum potential of their machinery and mechanical assemblies. The 6004 bearing, a versatile component widely utilized in various applications, showcases characteristics that set it apart in the world of mechanical engineering.

The 6004 bearing belongs to the deep groove ball bearings family, known for their robustness and exceptional performance in handling both radial and axial loads. Let’s delve deeper into the specific traits that define the 6004 bearing and how these specifications can meet your precise project needs, fostering enhanced operational efficiency and reliability.
1. Dimensions and Construction
- Bore Diameter The 6004 bearing has a bore diameter of 20mm. This diameter is significant because it aligns with many standard shaft sizes in mechanical systems, facilitating easier integration.
- Outer Diameter The outer diameter stands at 42mm, making it compact yet sufficiently large to support moderate load capacities.
- Width With a width of 12mm, the 6004 bearing is designed to fit snugly into machinery that requires compact assembly without compromising strength.

2.
Load Capacity
- The dynamic load capacity of a 6004 bearing is typically around 9.95 kN, while the static load capacity is approximately 4.75 kN. This balance makes it suitable for applications requiring sustained radial loads and occasional axial load handling.
3. Material Composition
- Mostly crafted from high-grade chromium steel, 6004 bearings offer exceptional resistance against wear and tear, ensuring longevity. The hardness of this material provides a robust component able to withstand high-pressure applications without deformation or damage.
4. Seal and Shield Options
- The 6004 bearing can be purchased either open, sealed, or shielded. The sealed versions are particularly beneficial in environments exposed to contaminants such as dust or moisture, offering enhanced protection and preventing premature component failure. This feature is paramount in extending the bearing’s operational life, significantly reducing maintenance costs.
6004 bearing specifications
5. Temperature Range
- Engineered to withstand a broad temperature range, 6004 bearings are reliable from -30°C to +120°C. This attribute makes them suitable for both high-heat industrial environments and operations in colder climates, assuring consistent performance regardless of temperature variations.
6. Speed Capability
- In terms of speed, the 6004 bearing can perform exceptionally well. It supports revolutions reaching up to 19,000 RPM under normal load conditions, making it ideal for high-speed applications.
7. Applications and Usability
- Thanks to its durability and versatility, the 6004 bearing finds applications across various domains such as automotive, aerospace, agricultural machinery, and electrical motors. This wide usability reinforces its position as a staple component in any mechanical toolkit.
8. Expert Recommendations
- Industry experts recommend regular lubrication for 6004 bearings, whether they are used in high-speed or harsh environmental conditions. Proper lubrication not only minimizes friction but also plays a crucial role in heat dissipation, thereby enhancing the bearing’s overall performance.
9. Authenticity and Reliability
- Ensuring the purchase of authentic 6004 bearings is critical. Trustworthy manufacturers or suppliers certified by international standards ensure quality assurance, providing bearings that adhere strictly to the stated specifications, thus securing stellar performance and safety in operations.
In summary, the 6004 bearing stands out due to its comprehensive specifications, which include a perfect balance between size, load capacities, material resilience, and adaptability to various applications. Understanding these characteristics helps users make informed choices, optimizing their machinery's operational effectiveness while ensuring durability and reliability. Appealing to industry professionals and enthusiasts alike, the 6004 bearing continues to be a pivotal component in enhancing the performance of mechanical systems globally.