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Common methods for axial fastening of bearing rings

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(1) The outer ring of the circlip bearing is installed in the bearing housing; one end is usually fixed by the shoulder of the box; the other end is fastened with the end cover, the threaded ring and the hole with a circlip. The dimensions of the shoulder and axial fastening parts and the touch part of the bearing ring; can be determined according to the device scale of the various types of bearings listed in the sample bearing scale table.
It is used for all types of radial bearings and radial thrust bearings; it is used when the bearing speed is high and the axial load is large. The end cap is fastened with screws to compress the outer ring of the bearing; the end cover can also be curved with a curved seal.
This kind of fastening method occupies the axial position. The 鹦 鹦 鹦 恪 18 (18) 圃旒虻ィ 糜诔惺 〉 〉 〉 〉 〉 〉 〉 〉 〉 嵯蚋 嵯蚋 嵯蚋 . . . . . . . . . . . . . . Axial orientation.
(2) Threaded ring fastening single-row deep groove ball bearing with snap groove on the outer ring of the bearing; fastened with a snap ring. When the bearing housing is unable to process the stop rib due to condition constraints, or the part needs to be reduced Time; use this type of uranium bearing.
(3) The snap ring is fastened for high bearing speed and large axial load; it is not suitable for tightening with end cover. When tightening the radial thrust bearing with threaded ring; can adjust the axial clearance of the bearing.
(4) The inner ring of the end cap fastening bearing is tightened under certain special circumstances; when the shoulder and the roundness of the shaft are not up to the dimensions of the device listed in the sample; the transition ring can be used for axial support.
(5) The tightening of the tapered bore bearing is not large in the axial load; the bearing speed is not high; the thread on the journal is difficult to be screwed; the available section is a rectangular elastic retaining ring. This fastening method is assembled and disassembled. Convenience; the area occupied.
(6) End face thrust washer fastening tapered bore bearing on the tapered journal; it is necessary to make the axial load always tighten the shaft and bearing. If the bearing is not at the shaft end; and the axle is not allowed to thread; In this case, the threaded ring of the two halves can be clamped into the groove of the shaft; then the nut is used to fasten the bearing. When the device is installed; the taper of the inner hole is directional; if the bearing is located at the shaft end and the axle end is approved Thread; can be fastened directly with a nut.
Double-row radial spherical bearings with low rotational speed and acceptable smooth radial load and small axial load; can be tightened on the optical axis with a tapered adapter sleeve, tightening sleeve nut and retaining washer; The nut locks the sleeve to tighten the bearing.
(7) When the inner ring of the bearing is fastened by the adapter sleeve on the shaft; usually the bearing is fixed on one side of the bearing, and the other side is fastened with a nut; a retaining washer and a spring coil. The shoulder and the shaft are fastened. Touch some dimensions to the fastening part and the bearing ring; it can be determined according to the scale of the various types of bearings listed in the bearing's basic scale table.
It is difficult to make the thread on the journal; the bearing speed is high; in the case of large axial load; the washer is fastened with two screws at the shaft end; the lock washer or wire is used to prevent loosening.
(8) Tightening of shoulders and rounded corners (9) Shafts are fastened with circlips (10) with respect to high bearing speeds; large axial loads are accepted; nuts and bearing rings are touched The end face should be straight with the axis of rotation of the shaft; otherwise tightening the nut will damage the correct orientation of the bearing; the rotation accuracy and service life of the lower bearing; especially the fit of the inner bore of the bearing to the shaft is more strictly controlled when loosely fitted. To avoid The nut is loose during the rotation; the appropriate anti-loose method should be adopted; use the slotted nut and the retaining washer to tighten the bearing to avoid loosening of the nut. When tightening, insert the internal teeth of the washer into the keyway of the shaft; An external tooth is bent into the bad mouth of the nut.

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