Rolling Bearing Installation

Bearing installation should be based on bearing structure, size and bearing components with the nature of the pressure should be directly added to the tight end with the ring surface was not passed through the rolling pressure, bearing installation method:
    1. Heating with
    Bearing or bearing by heating, using thermal expansion will be tight fit into a song with the installation. Is a common and labor-saving installation method. This method is suitable for large amount of interference bearing installation, hot charging before or separable type bearings bearing rings into the fuel tank in the uniform heating 80-100 ℃, and then remove from the oil installation as soon as possible to the axis, as After cooling to prevent the inner end and shaft shoulder fit is not tight, the bearings can be cooled further axial fastening. Bearing outer ring and the light metal bearing tight fit, the use of heating and hot charging method of the bearing can be avoided with the surface by abrasion. Heating bearings with a fuel tank when the bottom of a certain distance away from the gate should be a web, or hanging with a hook bearing, bearing into the bottom of the can to prevent Shen impurities into the bearing or uneven heating, the tank must have a thermometer, strictly control the oil temperature must not exceed 100 ℃, in order to prevent tempering effect, so that rings the hardness decreased.
    2. Indentation with
    Bearing inner ring and the shaft so tight fit, the outer ring and bearing with the hole is loose, the free press will be installed in the shaft bearings be pressed and then shaft with bearings into bearing with the hole, press fit when bearing inner ring side face, a soft pad assembly casing made of metal material (copper or soft steel), the assembly of casing diameter should be slightly larger than the journal diameter, diameter diameter should be slightly smaller than the bearing inner ring ribs, so as not to pressure in the cage. Bearing outer ring and bearing hole tight fit, inner ring and loose with the axis, can be pressed into the bearing seat bearing the first hole, when the casing assembly seat hole diameter should be slightly smaller than the diameter. If the bearing rings and the shaft and seat are tight with the hole, the installation of interior ring and outer rings to the same time press into the shaft and seat hole, the assembly structure of the casing should be able to charge while tight end bearing inner ring and outer ring.
    3. Thrust bearing installed
   Thrust bearings and shaft with comprehensive general transition coordination with the bearing seat hole with generally clearance fit, so the bearing easier to install, a two-way thrust bearing axial spring should be fixed in the shaft to prevent relative the axes. Bearing installation method, in general, the situation is mostly rotational axis, so the inner ring and shaft with too win with, bearing outer ring and bearing chamber with the clearance fit.
    4. Tapered bore bearing installed
    Tapered bore bearings can be directly mounted on a taper of the journal, or load the adapter sleeve and back sleeves of the cone, the degree of tightness with the bearing radial clearance can be reduced in terms of quantity, therefore, the installation before Measuring bearing radial clearance, the installation process should always be measured clearance in order to achieve the required amount of clearance decreases until the installation is typically used when the lock nut installation, heating installation methods can be applied.

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