Flange Ball Bearing Miniature Deep Groove

Flange Ball Bearings are precision miniature deep groove ball bearings featuring an integrated flange (collar) on one side of the outer race, providing a convenient mounting solution that eliminates the need for additional retaining components. The flange acts as a built-in shoulder that prevents axial movement and simplifies installation in wheels, pulleys, conveyor rollers, and robotics applications where space constraints make traditional bearing mounting methods impractical.

These sealed bearings feature metal shields (ZZ designation) on both sides that protect the internal ball bearings and lubricant from dust, dirt, and contaminants while maintaining smooth, low-friction rotation. The deep groove raceway design accommodates both radial and light axial loads, making them versatile for various motion applications. Pre-lubricated with high-quality grease, these bearings are maintenance-free and ready for immediate installation.

Manufactured from chrome steel with precision-ground raceways, these flange bearings deliver reliable performance with minimal vibration and noise. The flange provides a positive stop during assembly and ensures proper bearing alignment, particularly useful in 3D printers, CNC machines, linear motion systems, RC vehicles, conveyor systems, and DIY robotics projects. Available in multiple sizes to accommodate different shaft diameters and load requirements, these bearings are essential components for smooth rotational motion in compact mechanical assemblies.

Specification :

• Bearing Type: Miniature deep groove flange ball bearing
• Seal Type: Metal shields both sides (ZZ)
• Variants: 623ZZ / 625ZZ / 628ZZ
• Flange Design: Integrated flange on outer race (one side)
• Balls: Steel balls with precision ground raceways
• Lubrication: Pre-lubricated with grease (maintenance-free)
• Seal Protection: Double metal shield (dust protection)
• Load Type: Radial and light axial loads
• Max Speed: High-speed rated (varies by size)
• Color: Silver (natural steel finish)
• Applications: 3D printers, CNC machines, conveyor rollers, pulleys, RC vehicles, robotics