How to choose the SKF bearing type Accuracy class

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SKF bearing accuracy class degrees starting from 0 sequentially improve enough for general purpose 0 5 or higher accuracy, but is used as shown in Table 1, conditions or occasions when you need to.
The above accuracy rating is based on ISO standards f or benchmarking, but its call to different national standards.
Lists a comparison between the level of accuracy as well as national standards applicable in various SKF bearing type.slewing bearing manufacturers
Dimensional accuracy (installed with the shaft and housing related projects)
1, an inner diameter, an outer diameter, width, and fitted with the width of the allowable deviation
2, a group of roller diameter and the diameter of the outer umbra umbra allowable deviation
3, the acceptable limit of chamfer dimension value
4, the width of the allowable fluctuation amount
Rotation accuracy (jitter related projects) with the rotating body
1, the inner ring and outer ring radial runout and axial runout
2, the inner ring to allow lateral runout
3, the outer diameter surface inclination to allow changes in the amount of
4, the thrust of the thickness of the bearing raceways allow fluctuation amount
The size of the standard SKF bearings many forms, the best mechanism design using standard bearings (bearings for easy design to procurement, in an aside, does have some SKF bearings catalog models, but some non-standard bearing no spot in mainland China will be a long time sometimes futures bearing selection to consider the time cost and late replacement cost) SKF bearing load, the load applied to the bearing, by their nature, size, direction changeable. Typically, the basic rated load size table are displayed. Axial load and radial load, also is to select suitable SKF bearings important factors. When the equivalent of the size of the ball and needle roller bearings, needle roller SKF bearings usually have a higher load capacity and withstand vibration and shock loading.
Allowable speed according to the type, size, precision SKF bearings, keep the frame type, load, lubrication, and cooling method and other factors to determine. S KF Bearings table lists the permissible speed of standard precision bearings in oil lubrication and grease lubrication. Typically, deep groove ball bearings, self-aligning ball bearings and cylindrical roller bearings are suitable for high-speed operation of the occasion.
SKF bearings dimensional accuracy and rotational accuracy according to ISO and JIS standards. For the mechanical requirements of high-precision and high-speed operation, it is recommended to use five or more precision SKF bearings, deep groove ball bearings, radial thrust ball bearings or cylindrical roller bearings are suitable for high running accuracy mechanical. Rigid when SKF bearings rolling element and raceway contact surface pressure will produce elastic deformation. Some machines require the elastic deformation is minimized. Elastic deformation than ball bearings roller bearings.
In addition, in some cases, SKF Bearing preload is applied in order to increase rigidity. This procedure is us ually used for deep groove ball bearings, angular contact ball bearings and tapered roller bearing inner and outer rings bias, shaft bending, shaft or bearing housing tolerance variations, with the error will lead to the eccentricity of the inner and outer rings. Prevent eccentric angle is too large, self-aligning ball bearing, self-aligning roller bearings or self-aligning bearing is the better choice. Voice frequency and torque, rolling bearings are manufactured according to standards of accuracy the voice and torsion. Deep groove ball bearings and cylindrical roller bearings for low voice, low torque requirements of the occasion.buy bearing