Bearing service life

Date: 2013-08-26

It is important for the customers to ensure the bearing service life.

Both estimations of extra long and short service life will bring an

unnecessary trouble and waste.

You can select the reasonable bearing service life in the following

values of Table 4.3.

Calculation of equivalent dynamic bearing loads

In many cases, bearings are infrequently used to carry pure radial

load or pure axial load in actual applications, they usually carry radial

and axial loads simultaneously (e.g. combined loads.) Before the

calculation of bearing service life, the actual bearing load should be

converted into equivalent dynamic load by the equation:

P=XFr+YFa

where

P----equivalent dynamic load, N

Fr----actual radial load, N

Fa----actual axial load, N

X----radial load factor

Y----axial load factor

Depending on the types of the bearing, factor X and Y should be

taken the different values, the actual values will be obtained in bearing

dimension tables.

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Product Model	Inside Diameter	Outside Diameter	Thickness
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Bearing service life

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