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    Location: Home NewsInformation Influence of Motor Load Size on Bearing Selection

    Influence of Motor Load Size on Bearing Selection
    Views:473    Author: Company Name   Publish Time: Feb.19.2023  Origin:

    In actual application, it is often found that the motor will vibrate significantly under no-load conditions, and become stable after the load operation. This phenomenon is mainly caused by the matching problem between bearing selection and load.6012rs

    Taking the heavy-duty motor as an example, the shaft end usually adopts cylindrical roller bearings, and the non-shaft end adopts ordinary ball bearings; in applications that strictly require axial positioning, it may be necessary to use a ball bearing and a cylindrical roller bearing at the shaft end. Sub-bearing combination, the non-shaft extension end adopts a three-bearing structure of ball bearings; for motors with small loads, ball bearings are usually used at both ends; this is the basic principle for motor load and bearing model selection.

    The selection of motor bearing specifications is also very important. The bearing can bear the load and needs to match the load of the motor, and the specifications need to be adjusted according to the actual working conditions of the motor.

    The motor adopts different transmission methods such as pulley drive, coupling drive, and gear drive, etc., which will have different requirements for the load of the bearing. The bearing system of the coupling drive; the correlation between the load and the torque is small, and the pulley drive For the bearing system, it is necessary to consider the influence of factors such as the tightness of the belt and the size of the pulley; while the gear transmission, the torque has a direct impact on the bearing system.

    In addition, if a bearing model is determined and produced according to standard specifications, the parameters and the number of rolling elements such as the rolling element pitch circle diameter, bearing contact angle, raceway radius, rolling element diameter, etc. have been determined. For the convenience of calculation, the parameters of specific bearings are usually integrated into constants.

    The actual load can be inferred from the load traces of the bearing; therefore, in the actual application or failure analysis of the bearing, it can be judged whether the bearing is subjected to abnormal load through these.

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