Understanding the Dimensions of 6311 Bearings

Bearings play a crucial role in various machinery and equipment, facilitating smooth motion between moving parts. When it comes to deep groove ball bearings, one of the commonly used types is the 6311 bearing. Understanding its dimensions is vital for ensuring compatibility and optimal performance in applications.

The 6311 bearing is characterized by its deep groove design, which allows it to accommodate both radial and axial loads. This makes it an ideal choice for a variety of applications, ranging from electric motors to agricultural machinery, and even in automotive applications.

Key Dimensions

The dimensions of a 6311 bearing are standardized and critical for matching it with housing and shafts. The essential measurements include

- Bore Diameter (d) The inner diameter of the bearing, typically measuring 55 mm. This dimension is crucial for ensuring that the bearing fits snugly onto the shaft it will rotate around.

- Outer Diameter (D) The outer diameter of a 6311 bearing is 120 mm. This dimension is significant as it determines how the bearing fits into the housing or outer assembly.

- Width (B) The width of the 6311 bearing is 29 mm, which affects how much axial space the bearing will occupy. It also influences the bearing's load capacity and overall performance.

In addition to these primary dimensions, the 6311 bearing often features other important specifications such as tolerances, load ratings, and material composition. These specifications play a crucial role in determining the bearing's performance in specific applications.

Performance and Application

Due to its robust design, the 6311 bearing can handle moderate to high-speed operations and is capable of withstanding considerable radial loads. Its versatility allows it to be used in various environments, from industrial machinery to household appliances.

When selecting a 6311 bearing, it is essential to consider not just the dimensions but also factors such as lubrication, operating temperature, and environmental conditions. Proper maintenance can significantly prolong the bearing's life and consistency in performance.

Conclusion

In conclusion, the 6311 bearing dimensions—55 mm inner diameter, 120 mm outer diameter, and 29 mm width—highlight its standardization and versatility in various applications. Understanding these dimensions helps in selecting the appropriate bearing for your needs, ensuring efficiency and longevity in machinery operations. Whether you’re in manufacturing, automotive, or electronics, the 6311 bearing is a reliable choice that meets the demands of modern engineering.