section 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    :                                                                                                 

Thin section ball bearings are a type of rolling-element bearing that are designed to be particularly compact and lightweight, making them suitable for applications where space is at a premium. Here is a detailed introduction to thin section ball bearings in English:

1. Design and Construction:

• Thin section ball bearings feature a unique design that allows for a reduced cross-section while maintaining the performance characteristics of traditional ball bearings. They consist of a set of balls held in place by a cage between two rings, similar to standard ball bearings, but with a slimmer profile.

2. Applications:

• These bearings are commonly used in applications where space is limited, such as in aerospace, defense, food processing machinery, and other industrial equipment. They are also found in applications requiring high-speed rotation and low friction, such as in precision machinery and automation equipment.

3. Custom Features:

• Manufacturers like RBC Bearings can produce custom thin section bearings with specific features tailored to particular applications. This can include alterations in radial play, the use of specialized lubricants, materials for corrosion resistance or high-temperature operation, and design modifications such as preloading.

4. Materials:

• Standard thin section ball bearings typically have rings and balls made from SAE 52100 steel. However, they can also be manufactured from other specialty bearing steels or materials like aluminum, stainless steel, and others to provide specific properties like corrosion resistance or chemical compatibility. Special ball materials such as silicon nitride and M-50 steel are also available.

5. Lubrication:

• A variety of lubricants can be used in thin section ball bearings to suit different application needs. These include greases designed for high speed, low torque, water resistance, high temperature, and oscillatory motion. Dry film lubricants are also suitable for use in vacuums and space applications.

6. Sealing:

• Standard seals for thin section ball bearings are made from elastomers, but options like PTFE seals, fiberglass-reinforced PTFE seals, and stainless steel shields are available for low-torque applications and other special uses.

7. Radial Play:

• The radial play (diametral clearance) of a thin section ball bearing is an important factor that may need to be predetermined, especially if the bearing is to be used in mounts other than those recommended. Special radial play may be necessary to accommodate temperature differentials, different coefficients of thermal expansion in housing and shaft materials, or to alter the operating characteristics of the bearing.

8. Pre-loading of Duplex Bearings:

• Standard duplex thin section bearings are ground to induce a light axial pre-load under nominal conditions. For applications requiring increased stiffness, the grinding process can be adjusted to induce a heavier axial load in the mounted bearing, which can be customized to meet specific application requirements.

Thin section ball bearings offer a combination of high performance and compact design, making them an excellent choice for a wide range of applications where space and weight are critical factors.

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

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