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Backstops are used extensively on pumps used in the primary and secondary cooling systems of power generating equipment.
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Thrust Needle Roller Bearings with Sealing Ring Storage Grease Space

Thrust Needle Roller Bearings with Sealing Ring Storage Grease Space

Have Read 14601/02/2020

It has a very thin bone. Needle roller bearings are equipped with thin and long rollers (the length of the roller is 3 to 10 times the diameter, and the diameter is generally not greater than 5 mm). Therefore, the radial structure is compact. When the other types of bearings are the same, the outer diameter is the smallest, which is especially suitable for the bearing result with limited radial installation size.           

Depending on the application, a bearing or needle roller and cage assembly without an inner ring can be selected. At this time, the journal surface and the housing hole surface that match the bearing are directly used as the inner and outer rolling surfaces of the bearing. In order to ensure the load capacity and running performance As with bearings with rings, the hardness, machining accuracy and surface quality of the surface of the shaft or housing hole raceway should be similar to those of the bearing raceway. This type of bearing can only support radial loads.

It is constantly improving, and the needle contour surface shrinks slightly at the near end. Needle roller bearings are thick-walled outer rings, which are quenched at high temperature and high nitrogen. The high-precision sorting rollers are guided by the ribs of the high-rigidity outer ring. With linear contact, the rollers can easily rotate directly on the raceway and can withstand huge Load.

It is constantly improving, and the needle contour surface shrinks slightly at the near end. Needle roller bearings are thick-walled outer rings, which are quenched at high temperature and high nitrogen. The high-precision sorting rollers are guided by the ribs of the high-rigidity outer ring. With linear contact, the rollers can easily rotate directly on the raceway and can with stand huge Load.


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