Choice of precision bearing match

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Bearing installation, to consider the degree of matching with other accessories, this is not only on the bearing itself required accessories and it would like to meet the same

requirements. Bearing the same precision bearings, precision within 1μm, thus requiring its mating parts (shaft, bearing hous ing, end caps, snap ring, etc.) have high

dimensional accuracy and shape accuracy, especially with the surface accuracy control horizontal crucial, and the most overlooked.buy bearing
Must also pay attention to the precision bearings to match parts to reach above requirements, often several times larger than the original bearing error precision bearings after

installation, even 10 times higher than the error, not become a precision bearings, the reason is to match the machine member error is often not simply superimposed to the error

of the bearing, but at different multiples of the amplified plus go.
In order to improve the the actual accuracy when the bearing mounting must not bearing deformation measurement methods and measuring tools, the actual size of the mating

surfaces of the bearing bore and cylindrical precision measurement, the measurement of the inner and outer diameters The project measured all of them, and make a comprehensive

analysis of the measured data, this data, the precision worthy of bearing shaft and housing bore size of the installation site. When the actual measurement with the

corresponding size and geometry of the shaft and housing bore should be in the same temperature conditions in the measuring bearing.
To guarantee higher actual blending effects, the shaft and the housing bore, with the bearing surface of the mating, the roughness should be as small as possible. In making the

above measurements, it should be on the outer and inner bore of the bearing, as well as the corresponding surface of the shaft and the housing bore, at the sides close to the

chamfer, respectively, made mark showing the maximum deviation of the direction of the two groups, in order to In actual assembly, the maximum deviation of the match between the

two partie s is aligned with the same orientation, so that after assembly, the two sides of the deviation can be partially offset by.roller ball bearing
Make the purpose of the two sets of directional signs, that the deviation compensation into account, even if both ends support each rotation accuracy improved, and they get

between the two bearing housing bore concentricity error, and both ends of the journal part eliminated. Implementation of surface hardening measures, such as sandblasting, plug

once inside the hole with a diameter slightly larger than the precision plunger mating surfaces are conducive to improving the fitting accuracy.cylindrical roller bearing