High Speed Deep Groove Ball Bearing 20x52x15 6304 ZZ Bearing Low Noise Long Lifespan
The 6304-ZZ deep groove ball bearing serves as a fundamental component in mechanical transmission systems, featuring a classic and mature structural design with excellent comprehensive performance. This bearing provides reliable support for stable and efficient equipment operation, capable of handling both radial loads and certain axial loads. Its outstanding performance meets strict requirements for operational stability and accuracy across various applications including motors, water pumps, machine tools, household appliances, and small machinery.
The 6304-ZZ utilizes high-precision steel balls that undergo precision grinding for smooth surfaces and exceptional dimensional accuracy. These balls roll smoothly within the deep groove raceways of the inner and outer rings. The optimized raceway depth and curvature ensure proper contact area distribution, effectively dispersing loads while reducing friction. This design maintains low noise and vibration levels during operation, with balls flexibly adjusting positions to evenly transmit forces through multi-point contact.
The "ZZ" suffix indicates double-sided metal dust covers that effectively block dust and impurities from entering the bearing interior. This protection prevents wear and contamination of balls and raceways, significantly extending service life. Pre-filled high-performance grease provides continuous lubrication, reducing maintenance requirements and operational costs.
| Dimension Type | Dimension Value (mm) |
|---|---|
| Inner Diameter (d) | 20 |
| Outer Diameter (D) | 52 |
| Width (B) | 15 |
| Weight | Approximately 0.17kg (varies slightly due to manufacturing processes and materials) |
- Excellent Load Capacity: Designed primarily for radial loads while capable of handling certain axial loads. Provides stable support in applications like motor rotor systems, ensuring reliable high-speed rotation.
- Low Friction & High-Speed Performance: Features minimal friction coefficient through precision processing and special heat treatment. Generates less heat and energy loss, suitable for high-speed applications like fans and efficient gas transmission systems.
- Superior Operational Stability: Precision manufacturing ensures stable ball trajectory, reducing vibration and noise. Double-sided dust covers enhance structural rigidity, providing quiet operation in household appliances and industrial equipment.
- Motor Industry: Widely used in asynchronous and synchronous motors as rotor support components, ensuring stable high-speed rotation while reducing vibration and noise.
- Water Pump Systems: Critical for impeller shaft support, handling radial forces from pumping operations and axial forces from water flow pressure.
- Machine Tool Industry: Ideal for auxiliary transmission components including lead screw supports and worktable transmissions, ensuring precision and stability in machining operations.
- Household Appliances: Used in washing machine motors, fans, and other appliances for quiet operation, long service life, and minimal maintenance requirements.
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