• Deep Groove Ball Bearing
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• Spherical Plain Bearing & Rod End
• Linear Motion Ball Bearing
• Auto Bearing
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• Steel Ball
• Special Bearing

Material

1. Ring Material: The rings of the MR52 2RS bearing are typically made of high - quality chrome steel, also known as high - carbon chromium bearing steel (GCr15). This material offers high hardness, good wear resistance, and excellent fatigue strength. It can withstand heavy loads and high - speed rotations, ensuring a long service life for the bearing.

2. Ball Material: The balls inside the bearing are also made of chrome steel. Chrome steel balls have a smooth surface finish, which reduces friction and enables smooth rolling motion. They can maintain their roundness even under extreme operating conditions, contributing to the overall precision and performance of the bearing.

3. Cage Material: The cage of the MR52 2RS bearing is often made of sheet steel. The cage serves to separate the balls evenly, preventing them from colliding with each other. Sheet steel cages are lightweight yet strong enough to hold the balls in place during operation, ensuring the stable rotation of the bearing.

4. Seal Material: The 2RS in the bearing's name indicates that it has a double - sided rubber seal. The seal material is usually nitrile rubber (NBR). Nitrile rubber offers good resistance to oil, grease, and dust. It effectively seals the bearing interior, preventing contaminants from entering and lubricant from leaking out, thus protecting the bearing components and maintaining its performance.

Characteristics

1. Compact Design: The MR52 2RS bearing has a very small size with a bore diameter of 2 mm, an outside diameter of 5 mm, and a width of 2.5 mm. This compact design makes it ideal for applications where space is severely limited, such as in miniature motors, precision instruments, and small - sized mechanical devices.

2. High - Speed Capability: Thanks to its smooth - rolling chrome steel balls and well - designed structure, the MR52 2RS bearing can operate at high speeds. It can achieve relatively high rotational speeds while maintaining low vibration and noise levels. This characteristic makes it suitable for applications that require fast - moving components.

3. Low Friction: The use of high - quality materials and the optimized design of the bearing result in low friction. Reduced friction not only helps to improve the energy efficiency of the machinery but also reduces the heat generated during operation. This is crucial for applications where minimizing power consumption and heat build - up is essential.

4. Good Sealing Performance: The double - sided nitrile rubber seals provide excellent protection against dust, dirt, and moisture. This ensures that the bearing interior remains clean and well - lubricated, even in harsh operating environments. The good sealing performance also extends the bearing's service life by preventing premature wear and corrosion.

5. Precision and Durability: Meeting industry standards for precision, the MR52 2RS bearing can provide accurate rotational motion. Its durable construction, with high - quality materials for all components, enables it to withstand repeated loads and vibrations over an extended period. This makes it a reliable choice for applications that demand long - term performance.

Applications

1. Medical Equipment: In medical devices such as pulmonary assist devices, the MR52 2RS bearing's compact size, low noise, and high precision are highly valued. It can be used in components that require smooth and accurate movement, ensuring the proper functioning of the equipment.

2. Precision Instruments: Instruments like clocks and various types of measuring devices often use MR52 2RS bearings. The bearing's ability to provide smooth rotation with minimal vibration is essential for maintaining the accuracy of these precision instruments.

3. Surveillance Systems: In surveillance cameras and other related equipment, the MR52 2RS bearing can be found in the mechanisms that control the movement of the camera lenses or the pan - tilt units. Its small size and reliable performance enable the smooth operation of these components, allowing for clear and stable monitoring.

4. Gyros and Inertial Measurement Units: These devices, which are used in navigation systems and robotics, require bearings that can operate with high precision. The MR52 2RS bearing's characteristics, such as low friction and high - speed capabilities, make it suitable for use in gyros and inertial measurement units, ensuring accurate measurement and control.

5. Miniature Motors: Due to its compact design and high - speed performance, the MR52 2RS bearing is commonly used in miniature motors. It helps the motor to operate efficiently, providing smooth rotation and reducing energy consumption. These motors can be found in a wide range of products, from small electronics to toys.