NTN 6220-6228zz Deep Groove Ball Bearing High Quality

Optimal Performance in Moderate Load, High-Speed Environments

Deep groove ball bearings excel in applications requiring smooth operation at speeds up to 6,000 RPM, making them ideal for electric motors, pumps, and precision machinery. The NTN 6220-6228zz series handles radial loads as the primary force, with limited axial load capacity, and performs best in temperatures ranging from -30°C to 120°C. Proper sizing—matching bore diameter (d), outer diameter (D), and width (B) to your equipment’s specifications—is critical to prevent premature wear, vibration, or seal failure, especially in automated production lines where unplanned stops directly impact productivity.

Características clave de ingeniería que impactan la longevidad

The double shielded (zz) design is a critical feature here: it creates a physical barrier against contaminants like dust and moisture without adding significant friction, extending service life compared to open bearings. Precision class manufacturing ensures tight tolerances, reducing vibration and noise in high-speed applications. Material selection also matters—high-carbon chromium steel provides the necessary surface hardness (typically 58-62 HRC) to resist wear, while controlled heat treatment enhances fatigue strength. For replaceability, this bearing follows international dimensional standards, ensuring interchangeability with other major brands when exact model matching is unavailable.