Fixed at both ends of adjustable angular contact bearings, tapered roller bearings

Adjustable at both ends of the fixed bearing generally consists of two symmetrical arrangement of angular contact ball bearings or tapered roller bearing,. Installation of a bearing ring axial adjustment, until access to the appropriate clearance or the need to pre-load. These bearings especially suitable for demanding needs of the axial fixed occasions, for example, with a spiral bevel gear teeth bearing spindle shaft bearings. In principle, this type of bearing both O-election, you can also configure the X selection.
O-bearing contact points configured to connect the extension cord formation of cone vertex S (the load center) in the lateral bearing group, while the X-type configuration bearings inside the S point group in the bearings. O-configuration of two load bearing distance between the centers than the type of large, resulting from the gap than the X-type small tilt.
Set the axial clearance must take into account thermal expansion. X-type configuration in the bearing from the shaft to the temperature gradient is always to reduce the bearing clearance (prerequisite: the same shaft and bearing materials, bearing inner ring and the whole root axis and the same temperature, the outer ring and the bearing temperature the same).
On the contrary, O-type layout, there are three different situations. When the rolling cone vertex R, the bearing outer ring raceway and the bearing center line extended line intercourse overlap, can be in these conditions is the bearing clearance from the impact of thermal expansion.
Short distance when the two bearings, roller cone vertex R crossed bearing axial clearance will increase with the decrease of thermal expansion. When the two bearings from the larger roller cone vertices of R do not intersect, bearing axial clearance will increase with the increase of thermal expansion.
Adjustable at both ends of the fixed bearing preload can be carried out through the spring. This flexible approach can compensate for thermal expansion adjustment amount can also be used to stop the vibration when occasions.
Treasury part of the outer packaging does not regulate or no bearing, as small as a few dollars a set as large as three or four thousand yuan a set. These bearings exposed on the shelf, combined with the higher storage temperature, the original painting in the bearing lubrication maintenance on the role of butter has been dry, so to speed up the bearings rust, will affect our production use. In view of this situation, the Department also organized the supply of cleaning and maintenance of these bearings.
Cleaned with a dry rag to dry bearings, and then immersed into the anti-rust oil. In the process, complete with anti-rust bearings to oil exposure, and keep rotating bearings, so as to enable the formation of rust preventive oil film covering the surface of the bearing to achieve the purpose of rust.

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