Date: 2013-08-20

When the miniature bearing selection issues need attention

Bearing type, type and size of each are not identical. In order to make the equipment to play the expected performance of miniature bearing, choose the most suitable is crucial.
Selected bearing needs analysis, mostly because, from every angle, research, assessment procedures, in order to bearing special specifications have no choice, but usually in the following order:
(1) mastering mechanical device and miniature bearing conditions of use
(2) clear bearing
(3) the type selected bearing
(4) the selected bearing configuration
(5) selection of bearing size
(6) selection of bearing size
(7) selected bearing installation method
The conditions of use and environmental conditions of bearing
The premise of miniature bearing area is used to correctly grasp and the use of mechanical equipment condition and circumstance under, appropriate selection of bearing. Who, to obtain the following information and data:
(1) the structure and function of machinery and equipment
(2) the use of a site of miniature bearing
(3) bearing load (size, direction)
(4) rotating speed
(5) the vibration, impact
(6) bearing temperature (ambient temperature, temperature rise)
(7) the surrounding atmosphere (corrosion, cleaning, lubrication)
The bearing configuration options
Usually, supported by two bearing radial and axial, and this one, called fixed side miniature bearing, relative axial displacement fixed shaft bearing and bearing box of 2 radial and axial load. The other side is the so-called free, only bear radial load, axial and can move relatively, interval error title and installing bearing telescopic shaft temperature change produced by the solution of the.

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Product Model	Inside Diameter	Outside Diameter	Thickness
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7309B NSK	45	100	25

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