(A) Bearing load
Based on the load bias when selecting the bearing type, the pure axial load, choice of thrust bearings. Smaller pure axial loads thrust ball bearings can be used; pure axial load can be used for thrust roller bearings. Pure radial load, select deep groove ball bearings, cylindrical roller bearings or needle roller bearings. When bearings in the radial load R also, there are small axial load A selection of deep groove ball bearings or little contact angle of angular contact ball bearings or tapered roller bearings; larger axial load make use of the contact angle larger angular contact ball bearings or tapered roller bearings, perhaps constructed with the selection of radial bearings and thrust bearing assembly, to identify the bear radial load and axial load.
(B) Bearing speed
Average speed, speed bump on the type of selection does not attack what effect, as long as the speed is higher, will be compared to a significant impact. Bearing samples were included in the various types of various sizes bearing limiting speed value. The speed refers to the load is not too large (P ≤ 0.1C, C is the fundamental additional dynamic load), normal cooling premise, and promised to speed 0 bearing.
(C) Bearing self-aligning feature
will form when the middle line of the shaft and bearing the middle line does not coincide and the angle error, or the axis of force to bend or tilt the axis of the onset of the deflection of the bearing circle the table. At this time, should be necessarily aligning aligning ball bearings SKF self-aligning roller bearings. This type of bearing in the axis of the exterior circle small even when the relative skew normal tasks.
Cylindrical roller bearings and needle roller bearings, the most sensitive to the deflection of the bearing and the bearing of this type of bearing in the skew form in order to be able to lower than ball bearings. Thus lower the shaft stiffness and support stiffness of the bearing hole, you should try to prevent the use of such bearings. Bearing a device and open
Easy assembly and disassembly, also in the choice of an element of the INA bearing type should be thinking. Subdivision surface must be along the axial device and disassemble bearing components; preference should be given a table ring parting bearing in the bearing
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