624zz
600 Series Miniature Bearings
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Basic Information
Main Dimensions
Inner Ring Dimensions
Ball & Washer Dimensions
Performance
Materials
Environment & Compliance
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624zz Bearing Product Overview & Core Advantages
The 624zz bearing is a metric shielded deep groove ball bearing designed for reliable performance in compact applications. As a single row bearing, it excels at handling radial loads while offering moderate capacity for axial loads in both directions. Its construction provides an optimal balance of high-speed capability and durability, making it suitable for applications demanding precision and long service life. The inclusion of stainless steel shields protects against contamination, enhancing operational reliability.
624zz Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 6 | Deep Groove Ball Bearing Series |
| 24 | Bore Diameter: 4 mm |
| zz | Double Shields (Both Sides) |
624zz Bearing Structural Features & Performance Benefits
Optimized Load Distribution: The deep groove raceway and 7 high-precision chrome steel balls ensure efficient radial load distribution and accommodate combined loads.
Contamination Protection: Stainless steel shields (zz) on both sides effectively exclude contaminants while minimizing friction, contributing to the limiting speed of 40,000 rpm.
Precision & Stability: Manufactured to ABEC1 tolerance class with MC3 radial internal clearance (0.002mm to 0.013mm), ensuring consistent performance and smooth operation.
Corrosion Resistance: The stainless steel cage and shields provide enhanced corrosion resistance, suitable for various environmental conditions within the temperature range of -30°C to 110°C.
624zz Bearing Typical Application Areas
- Small Electric Motors: Ideal for spindle support in miniature DC motors and stepper motors.
- Precision Instruments: Used in optical encoders, medical devices, and laboratory equipment requiring high-speed precision.
- Office Automation: Suitable for printers, scanners, and copiers where compact size and reliability are critical.
- Robotics & Automation: Applied in small robotic joints, conveyor systems, and precision positioning mechanisms.
- Consumer Electronics: Found in computer cooling fans, drones, and small household appliances.
