What is the code for angular contact ball bearing?

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Angular contact ball bearings are commonly used in various industries for their ability to handle both radial and axial loads. These bearings are designed to withstand high-speed rotations while maintaining a high level of precision. To ensure accurate design and identification, angular contact ball bearings have specific codes that are standardized across the industry. In this article, we will delve into the various aspects of angular contact ball bearings and discuss the code used to identify them.

The Structure and Function of Angular Contact Ball Bearings.

Angular contact ball bearings consist of an inner ring, an outer ring, a cage, and balls. The inner and outer rings have raceways that are designed to facilitate the movement of the balls. These raceways are inclined at an angle to the bearing axis, allowing for the simultaneous handling of radial and axial loads.

The primary function of the angular contact ball bearing is to support high-speed rotations and transmit loads between the rotating and non-rotating parts of a machine. The contact angle between the raceway and the balls plays a vital role in determining the bearing's load-carrying capacity and the type of load it can handle.

Understanding the Angular Contact Ball Bearing Code.

The code for angular contact ball bearings is a combination of letters, numbers, and symbols that provide essential information about the bearing's dimensional characteristics, load capacities, and other specifications. The code is generally composed of four or five parts, each conveying different details.

H2: Bearing Type Identification.

The first part of the code identifies the bearing type. For angular contact ball bearings, the main symbols used are "7" and "8". A 7-series bearing implies a contact angle of 30 degrees, while an 8-series bearing indicates a contact angle of 40 degrees. The choice of the contact angle depends on the application's requirements and the expected load conditions.

H2: Dimensional Accuracy and Internal Clearance.

The second part of the code signifies the dimensional accuracy and internal clearance of the bearing. It is denoted by letters such as P5, P6, C3, etc. These letters represent different levels of accuracy and clearance, with higher letters indicating more precise and tighter tolerance levels. The selection of the appropriate accuracy and clearance depends on the specific application and the desired operating conditions.

H2: Load-Carrying Capacity.

The third part of the code provides information about the bearing's load-carrying capacity, which is crucial for selecting the right bearing for a particular application. The load capacity is indicated by a combination of numbers and letters that represent the dynamic and static load ratings of the bearing. These ratings help determine the maximum loads the bearing can handle safely.

H2: Additional Symbols.

In some cases, additional symbols are added to the code to represent specific features or variations of the bearing. These symbols convey details relating to sealing options, cages, or other specific requirements. It is essential to refer to the technical documentation provided by the bearing manufacturer to understand the meaning of these additional symbols accurately.

Closing Paragraph.

In conclusion, the code for angular contact ball bearings is a vital element in the identification and selection of the right bearing for a specific application. It signifies the bearing type, dimensional accuracy, internal clearance, load-carrying capacity, and other essential specifications. Understanding these codes is crucial to ensure optimal performance and longevity of the bearings in various industrial applications. If you have any further questions or need assistance in selecting the right angular contact ball bearing for your application, we encourage you to contact us for expert guidance and support.

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