What the 625ZZ ball bearing does

The 625ZZ ball bearing is a high-precision, shielded deep groove bearing built for smooth and efficient rotational motion. Its dual metal shields help reduce exposure to dust and debris while preserving low-friction performance for stable, reliable movement.

The 625ZZ is especially useful in applications where contamination protection matters but smooth rotation must still be maintained. The result is a compact bearing suited to precision machinery and moving assemblies that depend on consistent motion.

Key features of the 625ZZ shielded bearing

  • Shielded design on both sides: The ZZ configuration uses metal shields on both sides to help protect the bearing from dust and debris.
  • Chrome steel construction: Made from high-quality chrome steel, also known as bearing steel, for strong wear resistance, durability, and long-term use.
  • Smooth, low-friction operation: Precision manufacturing supports reduced noise and smooth rotation, making the bearing suitable for high-speed applications.
  • Compact bearing format: The small overall size allows the 625ZZ bearing to fit into a wide range of precision mechanical assemblies.
  • Stable rotational performance: The deep groove design supports reliable and efficient motion in systems where consistent movement is important.

Where a 625ZZ 5 x 16 x 5 mm bearing is used

The 625ZZ shielded ball bearing is commonly used in 3D printers, CNC machines, electric motors, robotics, skateboards, and other mechanical systems that require dependable rotational support. Its combination of compact sizing, smooth operation, and shielded protection makes it a practical fit for both hobby and industrial-style assemblies.

For makers and machine builders, this bearing works well in projects that need reliable motion with minimal resistance. In equipment exposed to light dust or debris, the shielded design helps maintain performance while supporting smooth and stable rotation.

Specifications

Technical specifications

Bearing TypeDeep groove ball bearing
Shield TypeZZ metal shields on both sides
Inner Diameter5 mm
Outer Diameter16 mm
Width5 mm
MaterialChrome steel (bearing steel)
Compatibility

Will it work with my printer?

Works with

The 625ZZ ball bearing is commonly used in 3D printers, CNC machines, electric motors, robotics, skateboards, and other precision mechanical systems that require a 5 x 16 x 5 mm bearing.

Requirements

The application must be designed for a bearing with a 5 mm inner diameter, 16 mm outer diameter, and 5 mm width.

FAQ

Frequently asked

What is a 625ZZ ball bearing?

A 625ZZ is a shielded deep groove ball bearing with a 5 mm inner diameter, 16 mm outer diameter, and 5 mm width. It is designed to provide smooth and efficient rotational motion.

What does ZZ mean on a ball bearing?

ZZ means the bearing has metal shields on both sides. These shields help protect the bearing from dust and debris while maintaining low-friction performance.

What size is the 625ZZ bearing?

The 625ZZ bearing measures 5 x 16 x 5 mm. That means 5 mm inner diameter, 16 mm outer diameter, and 5 mm width.

What material is the 625ZZ bearing made from?

The 625ZZ ball bearing is made from high-quality chrome steel, also called bearing steel. This material is used for strength, wear resistance, and long service life.

Is a 625ZZ bearing good for high-speed applications?

Yes, the 625ZZ bearing is suited to high-speed applications where smooth rotation and reduced noise are important. Its precision manufacturing supports low-friction operation.

Can a 625ZZ bearing be used in a 3D printer?

Yes, the 625ZZ bearing is commonly used in 3D printers. It is also used in other precision machines that need reliable rotational support.

What machines use a 625ZZ 5 x 16 x 5 mm shielded ball bearing?

This bearing is commonly found in CNC machines, electric motors, robotics systems, skateboards, and 3D printers. It fits applications that require the 5 x 16 x 5 mm size and shielded design.

When should I use a shielded deep groove bearing instead of an open bearing?

A shielded deep groove bearing is useful when protection from contaminants is needed without adding much rotational resistance. The 625ZZ is intended for smooth and stable motion in environments where dust and debris may be present.

Reviews

What printers are saying

  • 625ZZ  (5 x 16 x 5 mm) Ball Bearing - Shielded
  • 625ZZ  (5 x 16 x 5 mm) Ball Bearing - Shielded
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625ZZ (5 x 16 x 5 mm) Ball Bearing - Shielded

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