How To Keep NSK Bearing In Good Shape? If we talk about bearings, we usually think of the industrial ones or those for motors and so on. However, there are also bearings called "spherical plain bearings" found in many places other than industry. Unfortunately, these bearing types tend to deteriorate quickly as they use only a seal to close off from dusts and dirt, unlike industrial bearings that use a seal and a lubricant.
As most of you know, the seals in ordinary bearings are made from rubber or synthetic resin, but these materials tend to deteriorate as they come into contact with oil. As a result, changing the used NSK Bearing is recommended after 5 years of usage at the longest.
However, NSK Bearing's spherical plain bearings can use grease for maintenance and, as a result, last much longer than ordinary