bearing deep groove ball 6202 2rs - bearing 6202

2024-10-23 06:17:38

Cylindrical roller bearings can carry very heavy radial loads and are identified by numbers starting with N or NJ, such as the example NJ305E.

Bearings sold in pairs, or groups for particular configurations, may have a prefix indicating such configuration. Example: Prefix “DB” can mean that the bearing is sold as part of a matched pair set for back-to-back mounting, providing accurate alignment and distribution of load.

Bearings could be provided with seals or shields to avoid passing debris and to retain lubrication. For example, the “Z” suffix represents a single metal shield, and “ZZ” illustrates double metal shields. Rubber seals are represented by “RS” or “2RS” and allow further protection from dirt and moisture.

The high precision of bearings is denoted by the suffixes “P5” or “P6.” This defines tighter tolerances that would be applied to very precise uses, like machine tools or parts in aerospace.

This article will explain what bearing numbers mean, bearing number prefixes and suffixes, how different kinds of bearings differ in them, and how to get my bearing number meaning.

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SKFbearingnumbermeaning

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Angular contact ball bearings are designed to support both radial and axial loads. Their numbers start with 7, such as 7204C.

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The first digit of most bearing part numbers is called the type code that defines the actual type of bearing. It makes users comprehend the basic design of the bearing and its suitability for different load and speed conditions. Series code represents the load-carrying capacity and robustness of the bearing.

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Bearingnumbermeaningpdf

Understanding the bearing numbers, including their prefixes, suffixes, and meanings specific to the bearing type will help you pick the perfect bearing suitable for the job. That is, interpreting those alphanumeric codes means maximum performance, longevity, and reliability for your application. Contact BYWB Bearing for all types of bearings needs.

Bearingnumber List

Deep groove ball bearings are some of the most common and versatile types of bearings. Bearing numbers typically begin with the digit 6, such as 6205ZZ.

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The prefix in a bearing number provides additional information on the bearing design, construction, or special features. Not all bearings have this prefix. However, it helps manufacturers and users grasp special variation in bearing construction or performance capabilities.

Bearingnumber identification

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Bearingnumber chart

Ever looked into a bearing and thought, “What do bearing numbers mean?” At first glance, these might seem to be some random codes, but they give one all the important information about the type of bearing, size, and features.

Most bearings that are intended for high-temperature applications do have prefixes to denote that aspect. A good example is the prefix “TS2” in the bearing number TS2-6206, indicating that the bearing has been heat-treated to allow operation at as high a temperature as 160°C. It is rather critical in those applications where high operational heat would normally degrade the bearing.

Bearingseries code

Bearings which are pre-lubricated with grease will often have a suffix such as “L” or “LL.” These bearings are ready for use and normally do not need any immediate lubrication upon installation.

Further suffix letters denote other special design features, including “E” for enhanced capacity, “K” for a tapered bore, or “W” for a wider inner ring.

Tapered roller bearings are very suitable for combined axial and radial loads. Their numbers usually start with 3, like 32007X.

Spherical roller bearings are solid and capable of taking heavy radial and axial loads. Their numbers usually begin with 2, such as 22215E.

Bearingnumber and size chart pdf

Bearingnumber identification pdf

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Internal clearance refers to the space between the bearing components. This is a very important factor when ensuring that the bearing operates as desired under variable load and temperature conditions. Examples of such include: “C2” – less than normal, “C3” – greater than normal, “C4” – even larger.

The prefix will also denote the use of special materials or coatings. For instance, the “U” designation might be used for those bearings made with a premium grade of steel or with a corrosion-resistant coating that would make them especially well-suited for severe environments or where moisture might be a problem.

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It is important, with precision machinery, that preloaded bearings avoid vibration hence improve accuracy. The prefix “H” may indicate that the bearing is preloaded for high-precision applications such as those required in CNC machines or robotics.

Suffices in bearing numbers provide additional information on features of design, modifications, or characteristics in performance. These represent important elements in the description of how a bearing is constructed for various operational needs that may involve sealing, clearance, lubrication, or precision.