Features:

1. Low Noise
   Designed for silent operation, which is essential for home appliances like ceiling fans.

2. High-Speed Capability
   Made to handle the high RPM (rotations per minute) of ceiling fans without heating up.

3. Compact Size
   Usually comes in small dimensions like 608, 6201, etc., ideal for fan motors.

4. Durable Material
   Made from high-quality steel or chrome steel for a longer lifespan.

5. Dust-Proof & Sealed
   Often sealed (ZZ or 2RS type) to prevent dust and moisture from entering, ensuring low maintenance.

6. Smooth Rotation
   Reduces friction, enabling efficient performance and energy savings.

7. Corrosion Resistant
   Some models are corrosion-resistant, ideal for humid environments like coastal areas.