ball type ball bearings

Deep groove ball bearing with seals or shields

Single row deep groove ball bearings with seals or shields are particularly versatile, have low friction and are optimized for low noise and low vibration, which enables high rotational speeds. They accommodate radial and axial loads in both directions, are easy to mount, and require less maintenance than many other bearing types. The integral sealing can significantly prolong bearing service life because it keeps lubricant in the bearings and contaminants out.Integral sea

ling prolongs bearing service life

Simple, versatile and robust design

Low friction and high-speed capability

Accommodate radial and axial loads in both directions

Require little maintenance

Knowledge and introduction of bearings    :                                                                                                 

Ball type ball bearings are a fundamental component in countless machines and devices, playing a pivotal role in ensuring smooth and efficient operations. Here's a detailed introduction to ball type ball bearings:

1. Understanding Ball Bearings:

• At their core, ball bearings facilitate the movement between two parts by minimizing friction. They consist of an inner and outer race, balls that act as rolling elements, and a cage that maintains the balls’ spacing. This simple yet effective design allows for reduced friction, increased speed, and improved overall performance of machinery .

2. Types of Ball Bearings:

• Deep Groove Ball Bearings: Suitable for both radial and axial loads, they are the most widely used type .

• Self-Aligning Ball Bearings: Designed to accommodate misalignment, making them ideal for applications with shaft deflection .

• Angular Contact Ball Bearings: Capable of handling higher axial loads in one direction, often used in pairs to manage loads in both directions .

• Single Row Ball Bearings: These are the most common types of ball bearings, featuring a single row of balls between the inner and outer races. They are versatile and used in a wide range of applications, including electric motors, household appliances, and automotive components .

• Double Row Ball Bearings: These bearings have two rows of balls and can handle higher radial loads compared to single row bearings. They are commonly used in heavy machinery, automotive applications, and gearboxes .

• Thrust Ball Bearings: Specifically designed to handle axial loads, thrust ball bearings are essential in applications where the load is primarily along the axis of rotation. They are commonly found in automotive clutches, gearboxes, and marine propeller shafts .

• Ceramic Ball Bearings: Featuring balls made from ceramic materials, these bearings offer superior performance in terms of speed, temperature resistance, and corrosion resistance. They are ideal for high-precision applications such as aerospace, medical devices, and high-speed machinery .

3. Construction:

• Ball bearings are comprised of two bearing rings (or races), balls, and (depending on the type) a retainer to maintain ball separation. Additional components such as seals and shields may be present as well .

4. Materials:

• The most common material used for bearing races is SAE 52100 steel, which is dimensionally stable and has excellent elasticity, machinability, and uniformity properties. Bearing balls are also most commonly manufactured from AISI 52100 steel. Other materials include AISI 440C stainless steel, ceramic, glass, and even plastic .

5. Manufacturing Process:

• The manufacturing process involves machining, heat treating, grinding, honing, lapping, and assembly. This process applies to the vast majority of standard ball bearings produced today .

6. Applications:

• Ball bearings are used across various industries and applications, including automotive, industrial machinery, aerospace, and more .

7. Advantages:

• Ball bearings provide high performance and long lifetime, transferring the load from the balls to the inner races with minimal contact due to their spherical shape, allowing them to spin smoothly .

8. Disadvantages:

• A disadvantage of ball bearings is that the balls can become "flattened" over time with too much pressure on the outer races leading to eventual failure. Therefore, it is very important that the load ratings and other parameters are monitored regularly .

This overview provides a comprehensive understanding of ball type ball bearings, their types, construction, materials, manufacturing process, and applications, highlighting their importance in various mechanical systems.

For further details on this product please directly contact our sales department under shh@dmsw.com 

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