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What is spherical roller bearing?

wallpapers News 2021-10-14
What is spherical roller bearing?
The spherical roller bearing has a double row of rollers, with one common spherical raceway in the outer ring and two raceways in the inner ring and inclined at an angle relative to the bearing axis. This ingenious structure makes it spherical, so it is not easy to be affected by the Angle of the shaft and bearing box on the error or shaft bending, suitable for installation error or shaft deflection caused by the Angle error. The bearing can bear radial load as well as bidirectional axial load.
The inner hole of the spherical roller bearing is cylindrical and conical, and the taper of the conical cone hole is 1:30 and 1:12. This kind of conical inner hole bearing is equipped with a set sleeve or back unloading sleeve, and the conical inner hole spherical ball bearing can be conveniently and quickly assembled on the optical shaft or ladder machine shaft.
Structure of spherical roller bearing
The spherical roller bearing has two rows of rollers, mainly bearing radial load, but also bearing axial load in any direction. High radial load capacity, especially suitable for heavy load or vibration load, but can not bear pure axial load. The raceway of the outer ring of this kind of bearing is spherical, so it has good aligning performance and can compensate for coaxiality error.
There are two rows of symmetrical spherical rollers, the outer ring has a common spherical raceway, the inner ring has two and the bearing axis tilt one
The angle of the race, has a good heart performance when the axial stress bending or install different heart bearings can still be used normally, so vary with different bearing size series, generally allowed by the spherical Angle from 1 to 2.5 degrees, the type of bearing load capacity is larger, besides can bear radial load-bearing can bear the axial load of dual role, It has good impact resistance. Generally speaking, the working speed of spherical roller bearings is low.
Preload of spherical roller bearings
The spherical roller bearing preload is carried out at room temperature, but in the working state, the system micro tensile temperature rise generated by the driveshaft, bearing preload will change, therefore, the setting of preload, should take into account this factor.
It requires the capacity for size, speed, and other conditions to set the reasonable use of self-alerting roller bearings with preload to ensure transmission life. If the preload is too large, power consumption, and even lead to overheating. If the preload force is too small, the body load, the shaft rolling, the gap between the outer ring under the action of the jump, run, transmission accuracy, to reduce the noise increase, affect the gear meshing, serious damage when the teeth and bearings. According to different spherical roller bearing assembly, such as: directly by axial compression inner bearing inner ring bearing preload nut rotation, inner and outer ring to eliminate the gap, to achieve the purpose of bearing preload. Achieve common use: first, far more than the preloaded bearing, the last nut, then back 1/4 turn. Assembly method, the advantages of this method are less investment, simple, practical, consistent under the premise of excellent quality tapered roller bearings, it can be used.
Spherical roller bearing supplier
FUWEI(LUOYANG) METALLURGY BEARING with the trade mark ( FV ) is a professional manufacturer of heavy industry bearings. FV Bearings produces and provides the most comprehensive range of industrial bearings including Bearings for Steel Industry, roller bearings for Cement Industry, slewing bearings and much more. If you have any requirements on spherical roller bearing and related accessories, please contact us. You can send an email to sales@fv-bearing.com. Describe your needs and we’ll reply within 48 hrs.