What Are The Technical Specifications Of SER Bearing
Apr 08, 2026
SER Bearing is a high - performance bearing product widely recognized in the industrial field. As a supplier of Ser Bearing, we are very familiar with its technical specifications and would like to share them in detail with you.


1. Basic Structure And Design
SER Series Pillow Block Ball Bearings adopts a unique design concept, which is mainly composed of an inner ring, outer ring, rolling elements, and a cage. The inner ring is usually made of high - quality bearing steel, such as GCr15. This material has high hardness, good wear resistance, and excellent toughness, which can ensure the long - term stable operation of the bearing under high - load conditions. The outer ring also uses similar high - quality steel materials, and its surface is precisely machined to ensure a smooth fit with other components.
The rolling elements are the core part of the bearing. They are usually made of precision - ground steel balls or rollers. The shape and size of the rolling elements are strictly controlled to ensure uniform load distribution and reduce friction. For example, in some high - speed applications, the use of ceramic rolling elements can further improve the performance of the bearing, such as reducing heat generation and increasing the rotational speed limit.
The cage is used to separate the rolling elements and ensure their proper movement. It is usually made of materials such as steel, brass, or engineering plastics. The design of the cage is optimized to ensure that the rolling elements can move freely and evenly, reducing the risk of jamming and wear.
2. Dimensional Specifications
SER Bearing comes in a variety of sizes to meet different application requirements. The main dimensional parameters include the inner diameter (d), outer diameter (D), and width (B). These dimensions are standardized according to international standards, such as ISO and ANSI. For example, for a small - sized Ser Bearing used in precision instruments, the inner diameter may be as small as a few millimeters, while for large - scale industrial applications, the outer diameter can reach several hundred millimeters.
In addition to the basic dimensions, there are also some other important dimensional parameters, such as the radial clearance. The radial clearance is the amount of play between the inner and outer rings of the bearing. It is an important factor affecting the performance of the bearing. Appropriate radial clearance can ensure the normal operation of the bearing under different working conditions. If the radial clearance is too small, it may cause excessive heat generation and wear; if it is too large, it may lead to vibration and noise.
3. Load - Carrying Capacity
One of the most important technical specifications of SER200 Series is its load - carrying capacity. The load - carrying capacity is divided into static load - carrying capacity and dynamic load - carrying capacity.
The static load - carrying capacity refers to the maximum static load that the bearing can withstand without permanent deformation. It is mainly determined by the material, structure, and size of the bearing. For example, a large - sized Ser Bearing with a thick - walled outer ring and high - strength rolling elements will have a higher static load - carrying capacity.
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