Selection of bearing equipment

Source: China Bearing Network Time: 2014-10-15

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Generally; the shaft is supported by two bearings in the radial direction and the axial direction; the bearing on one side is called a fixed end bearing; it accepts both radial and axial loads; and the relative relationship between the fixed shaft and the bearing housing The effect of axial displacement. The other side is called the free end; only the radial load is accepted; the axial direction can be relatively moved.
Fixed-end bearings need to be fixed together with the shaft and bearing housing; suitable bearings are capable of accepting composite load radial bearings; for example; deep groove ball bearings, spherical roller bearings and double or mating angular contact ball bearings or cones Roller bearings. Radial bearing combinations that accept simple radial loads; such as cylindrical roller bearings with inner and outer rings without ribs combined with deep groove ball bearings or four-point ball bearings or two-way thrust bearings; End bearing. At this time; the second bearing is supplied in two-way axial position; however, it is necessary to maintain a certain radial distance from the bearing housing when the device is installed. The free end bearing is thermally expanded in the shaft; when the length changes, the bearing does not occur. Pinch. Axial displacement can occur inside the bearing; can also occur in the bearing ring and bearing housing.
â€œPlug-inâ€ refers to a bearing arrangement in which each bearing is unidirectionally positioned to the shaft; and in the opposite direction. This combination is primarily used for short shafts. All radial bearings that accept at least one axial load in one direction Suitable for both; including deep groove and angular touch ball bearings, tapered roller bearings and NJ cylindrical roller bearings; when using angular touch ball bearings or tapered roller bearings; in some cases; it is necessary to apply preload.

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