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Ball Bearings MR Series
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Ball Bearings MR Series

Ball Bearings MR Series
Miniature bearings refer to metric series with an outside diameter of less than 9mm.Inch series deep groove ball bearings with outer diameter less than 9.525mm.The main materials include carbon steel, bearing steel, stainless steel, plastics, ceramics, etc., of which the minimum diameter can be 0.6mm, and generally more with an inner diameter of 1mm.It can also be divided into bearing series with ZZ steel plate dust-proof cover, miniature bearing series with RS rubber sealing ring, teflon bearing sealing ring series and flange baffle series, etc.

Whether rolling bearings can be selected correctly, whether good performance can be obtained for the main engine, and extend service life;It is very important for enterprises to shorten maintenance time, reduce maintenance cost and improve machine operation rate.Therefore, whether the design manufacturing unit, or maintenance and use unit, in the choice of rolling bearings must be highly valued.

Ball Bearings MR Series Size Chart

Bearing Selection Guide

In general, the procedure for selecting a bearing may be summarized as:
1. Select the basic bearing type, tolerance grade and clearance according to the working conditions of the bearing (including load direction and load type, speed, lubrication mode, coaxiality requirement, positioning or non-positioning, installation and maintenance environment, environment temperature, etc.);

2. Determine the bearing type by calculation according to the working conditions, stress conditions and life requirements of the bearing, or select the bearing type according to the service requirements, and then check the life;

3. Check the rated load and limit speed of the selected bearing.The main factors to consider in choosing a bearing are limit speed, required service life and load capacity, while other factors are helpful to determine the bearing type, structure, size, tolerance grade and the final solution of clearance work.Miniature bearing is suitable for all kinds of industrial equipment, small rotary motor of high speed low noise field, such as: office equipment, micro motor, instrument, laser engraving, small clock, soft drive, pressure rotor, dental drill, drive motor, stepping motor, toy models, computer cooling fan, paper, fax machine, etc.

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