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The choice of lubricant is an important factor in ensuring proper bearing operation and extending its service life. Lubricants do the following:
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FAG bearing fit tolerance to pay more attention to
by：Waxing
2020-11-12
When choosing FAG bearing fit tolerance to pay more attention to the following several aspects of the 1.
To abundant application bearing and bearing ability, must make the bearing outer circumferential support good.
2.
FAG bearing sleeve and it can not have relative move between mating parts, otherwise it will damage with appearance.
3.
Swimming bearing inner and outer circle of necessary can conform to the changes in the shaft and the body length, i. e. it can axially move.
4.
As long as N and NU type cylindrical roller bearing to move inside.
Should try to make the bearing device and remove easily.
In order to meet the first two requests, the centripetal bearing inner ring and outer ring with tight fit on the line.
Swimming but, if necessary for axial bearing can move or not bearing separation necessary devices and dismantle, the two ring cannot use tight fit, at least one ring.
In such conditions, bearing ring part load or cyclic load is a resolution factor.
If load ring direction relatively constant, can use clearance fit, and the other ring is related to the loading direction, is the criterion on the tight fit.
N and NU type cylindrical roller bearing can be on the two ring complete tight fit at the same time, because inside the FAG bearings can make length compensation, and bearing inner and outer ring to device respectively.
FAG axis to accept heavy load, especially when the impact load, the request has a larger amount of interference and tougher shape tolerance.
FAG bearings with tight fit and temperature between inside and outside the circle will reduce radial clearance.
Select the radial clearance group shall think about it.
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