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For clearance adjustable TIMKEN bearings, the roller bearing radial clearance and axial clearance into the gap, because the gap between the axial and radial clearance proportional relationship, so installation is as long as you can adjust the axial clearance to obtain the desired radial clearance, and they are generally cut in pairs (i.e., mounted on one end or both ends of the shaft), and therefore, one need only adjust the axial bearing clearance can TIMKEN. General use shims to adjust the axial clearance, and some can also be used to adjust the screw or thrust ring.
For rolling bearing clearance can not be adjusted, because in the manufacture of radial clearance had been determined by standard Well, can not be adjusted, after such TIMKEN bearings mounted on the shaft or bearing hole, known as the actual radial clearance mounting a radial gap, the radial gap the size of the assembly to make the assembly work necessary just to cause radial clearance in operation to ensure that the flexible bearing is rotated. Such TIMKEN bearings in work due to thermal elongation of the shaft when the temperature rises so that the inner race of the relative displacement, so that the radial clearance of the bearing TIMKEN decreased or the rolling bodies stuck between the inner and outer races . If we double the support of a rolling bearing TIMKEN (another TIMKEN TIMKEN bearings fixed to the shaft and the bearing seat) and the inter-axial clearance side covers aside, its purpose is to ensure the normal operation and lubrication of rolling and hot stretch compensation long. The above phenomenon can be avoided.

1 fixed bearing shoulder
TIMKEN bearing inner shaft shoulder and had to rely on surplus realized axially fixed. Applicable to both ends of the fixed support structure. Simple structure, small outside dimensions.
2 elastic bearing retaining ring
TIMKEN bearing inner ring and lock nut from the shaft shoulder realize axially fixed. Can not afford a two-way axial load. Axial structure of small size.
3 bearing lock nut
TIMKEN bearing inner ring and lock nut from the shaft shoulder realize axially fixed. There are washers and lock, safe and reliable, suitable for high-speed, heavy-duty applications.
4. The end face of the bearing thrust washer
TIMKEN bearing inner ring and the shaft retaining ring from the shaft shoulder realize axially fixed. The shaft retaining ring secured to the shaft with screws. Fixing screws should be secured against rotation.
Should not be applied to the shaft thread cutting or space restricted applications.
5 adapter sleeve bearing fixed
Rely on tight housing bore radial dimension is compressed and clamped on the shaft to achieve a fixed axial AC 6207ZZ BEARING TIMKEN bearing inner ring.
6 withdrawal sleeve bearing fixed
Withdrawal sleeve clamping tight sets the same way. However, due to special withdrawal sleeve nut, TIMKEN bearing loading and unloading easy, suitable for large radial load, axial load smaller double row spherical bearing on the optical axis is fixed.