EZO 693 H ZZ 3x8x4 mm Miniature Deep Groove Ball Bearing

Industrial and Technical Applications

The EZO 693 H ZZ 3x8x4 mm ball bearing is a miniature deep groove bearing designed for precision motion systems and compact industrial mechanisms.
Thanks to its double metal shields (ZZ), it provides reliable protection against dust and lubricant leakage, ensuring stable performance even in demanding environments.
Typical applications include:

• Miniature electric motors and gearboxes,

• Automation systems and robotics,

• Measuring instruments and medical devices,

• Compact bearing housings and precision mechanical assemblies.

This model is particularly valued in OEM production, machine maintenance, and industrial automation, where reliability and dimensional precision are essential.

Key Advantages of the EZO 693 H ZZ Bearing

• High-precision Japanese design - manufactured by EZO for consistent quality and reliability.

• Double metal shields (ZZ) - protect the internal raceways from contaminants, extending bearing life.

• Compact dimensions (3x8x4 mm) - ideal for limited installation spaces and small mechanical systems.

• High durability and low friction - ensures smooth rotation at high speeds.

• Industrial versatility - suitable for use in automation, electronics, miniature drives, and precision instruments.

The bearing is pre-lubricated and maintenance-free, allowing it to operate efficiently in continuous industrial applications.

Technical Specifications

📍 Warehouse & Store: Lublin, ul. Smoluchowskiego 1, building 4
🚚 24h Delivery - fast order processing for industrial customers

FAQ

Q: What does the “ZZ” marking mean on the EZO 693 H ZZ bearing?
A: The “ZZ” code indicates metal shields on both sides of the bearing, offering strong protection against dust and grease leakage for longer service life.

Q: Where is the EZO 693 H ZZ 3x8x4 mm bearing used?
A: This miniature bearing is commonly used in electric motors, robotics, automation systems, and compact mechanical units where precision and reliability are critical.

Q: Is this bearing suitable for high-speed applications?
A: Yes. The EZO 693 H ZZ 3x8x4 mm bearing is designed for high rotational speeds and low vibration, making it ideal for precision assemblies.

Q: What is the difference between ZZ and 2RS bearings?
A: ZZ bearings use metal shields, offering better performance in dry or clean environments, while 2RS bearings have rubber seals for stronger moisture protection.

Q: How to choose the correct miniature bearing for my assembly?
A: Always verify shaft diameter, housing fit, available space, shielding type, and operating speed. Choosing the correct size and shield ensures reliability and extended lifespan.