EZO MR74H Stainless Steel Deep Groove Ball Bearing 4x7x2mm

Precision Stainless Steel Ball Bearing for Industrial Use

Industrial Applications and Performance

The EZO MR74H stainless steel deep groove ball bearing with dimensions 4x7x2mm is engineered for demanding industrial and precision applications that require high reliability, compact size, and consistent performance. As a deep groove radial bearing, it supports radial loads and moderate axial loads with smooth operation and low friction, making it ideal for precision mechanisms and high-speed environments. Its robust stainless steel construction offers enhanced corrosion resistance and high durability, extending service life in challenging conditions.

This miniature bearing is widely used in robotics, automation equipment, miniature motors, medical devices, and marine applications where precision and reliability are critical. Its open design allows for easy maintenance and lubrication, which supports extended operational cycles.

Key Features and Benefits

• Stainless steel construction: Ensures excellent corrosion resistance and long-lasting performance even in humid or marine environments.

• Deep groove design: Offers smooth rotation, reduced vibration, and stable load distribution for both radial and light axial loads.

• Compact dimensions: With a 4 mm inner diameter, 7 mm outer diameter and 2 mm width, this bearing is ideal for compact assemblies and precision units.

• Open type: Facilitates lubrication and serviceability to support continuous operation and minimize downtime.

• Industrial reliability: Designed for high-speed rotation and consistent performance in automated systems.

Technical Specifications

This technical profile makes the MR74H a preferred choice in precision industrial assemblies, miniature drives, and electromechanical units where size, precision and durability matter.

FAQ - Frequently Asked Questions

Q1: What makes the MR74H different from standard MR74 bearings?
The “H” suffix indicates stainless steel material, providing superior corrosion resistance and extended service life compared to standard carbon steel variants.

Q2: Can this bearing be used in high-speed applications?
Yes. Thanks to its deep groove design and precision manufacture, it supports high-speed rotation with low friction, suitable for miniature motors and automation equipment.

Q3: Is lubrication required for this bearing?
Periodic lubrication is recommended to maintain optimal performance and longevity, especially in continuous or heavy-duty operations.

Q4: Can this bearing operate in marine or humid environments?
Yes. The stainless steel construction offers excellent resistance to corrosion, making it well-suited for marine, outdoor, and high-humidity environments.

Q5: What types of applications benefit most from the MR74H bearing?
Typical uses include robotic joints, precision instrumentation, automation actuators, fishing reels, and miniature electric drives where compact bearing units are required.