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Function and structural characteristics of NTN bearing cage
2022-08-02
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Function and structural characteristics of INA Bearing Cage
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Precautions for Koyo bearing selection

  1. The market requirements for the performance of various mechanical devices and instruments using rolling Koyo bearing selection are becoming increasingly stringent, and the conditions and performance required for Koyo bearings are becoming increasingly diversified. In order to select the appropriate Koyo bearing from a large number of structures and sizes, it needs to be studied from various angles.
  2.  When selecting Koyo bearing selection, generally, considering the difficulty of arrangement, installation and disassembly of Koyo bearings as shafting, the space and size allowed by Koyo bearings, and the marketability of Koyo bearings, the structure of Koyo bearings is roughly determined. Secondly, the design life of various machines using Koyo bearings and various durability limits of Koyo bearings are compared and studied, while the size of Koyo bearings is determined. When choosing Koyo bearings, it is often inclined to consider only the fatigue life of Koyo bearings, and the grease life, wear, noise, etc. caused by grease aging also need to be fully studied. 
  3. Moreover, according to different uses, it is necessary to choose the specially designed Koyo bearing with requirements for accuracy, clearance, cage structure, grease, etc. However, there is no certain sequence and rules for the selection of Koyo bearings. The priority should be given to the conditions, performance and related matters required for Koyo bearing selection, which is particularly practical.
Koyo bearing selection

Precautions for Koyo bearing selection

conditions and performance required by Koyo bearing selection
  1. service conditions and environmental conditions

  2. dimensions of Koyo bearing installation part

  3.  space allowed by Koyo bearing

  4. size and direction of load

  5.  vibration and impact

  6. rotation speed, limit speed of Koyo bearing

  7.  inclination of inner ring and outer ring

  8. axial direction fixation and Koyo bearing arrangemen

  9.  difficulty in loading and unloading

  10. noise, torque

  11. rigidity

  12.  marketability and economy

Determine the structure and arrangement of Koyo bearing selection
  1. service machinery and design life

  2.  equivalent dynamic load or equivalent static load

  3.  rotation speed

  4.  allowable static load coefficient

  5.  allowable axial load (in case of cylindrical roller Koyo bearing)

Determine the size of Koyo bearing selection
  1. accuracy of rotary pendulum
  2. high speed rotation
  3. torque variation
Koyo bearing selection

Precautions for use Koyo bearing selection

The rolling Koyo bearing selection is a precision component, and its use must be carried out with corresponding caution. No matter how high-performance Koyo bearings are used, if they are not used properly, they will not get the expected high performance. 

Koyo bearing selection

use of Koyo bearing selection

  1. Keep the Koyo bearing selection and its surroundings clean.Even small dust that cannot be seen by the eyes will bring bad effects to Koyo bearings. Therefore, keep the surrounding clean so that dust will not invade the Koyo bearing.

  2.  Use carefully.Strong impact on Koyo bearing in use will produce scars and indentation, which will become the cause of the accident. In serious cases, cracks and fractures will occur, so attention must be paid.

  3.  Use proper operation tools.Avoid replacing with existing tools, and appropriate tools must be used.

  4. Pay attention to the corrosion of Koyo bearing selection.When operating Koyo bearings, sweat on your hands will become the cause of rust. Pay attention to operate with clean hands and try to wear gloves.In order to maintain the original performance of Koyo bearings in good condition for as long as possible, it is necessary to maintain and repair them in order to prevent accidents, ensure the reliability of operation, and improve the productivity and economy.

  5. Maintain the operation standard of corresponding mechanical operation conditions, and carry out it regularly. The contents include monitoring the running state, supplementing or changing the lubricant, and settingInspection of phase I disassembly.

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