Regular inspection of NSK bearings is very important to maintain NSK bearings in the best condition. High temperature bearing introduces you the matters needing attention and related knowledge about NSK bearing in use. First of all, we want to stress that it is important to keep NSK bearings lubricated and clean. So when we inspect the NSK bearing, we should clean the surface of the NSK bearing first, and then disassemble the parts around the bearing. Everyone should pay attention that the oil seal is a very fragile part, so you need to be extra careful during inspection and disassembly, and do not apply excessive force to avoid damage to the parts. Then carefully check the oil seal of NSK bearing and its surrounding parts. If it has shown bad symptoms, be sure to replace it. Bad oil seal will cause damage to the bearing and make the NSK bearing cloudy and cause equipment downtime. Second, we also check the lubricant of the NSK bearing. Lubrication is very important, not only for NSK bearings, but also for all imported bearings. But please note that it is not advisable to add too much grease to FAG bearings. The inspection method for NSK bearing lubricant is: apply a little lubricant and rub between the two fingers. If there is contamination, it can be felt; or apply a thin layer of lubricant on the back of the hand, and then perform a sealing inspection. . Then it is time to replace the lubricant of the NSK bearing. Oil lubricated NSK bearings should be refilled with fresh oil if possible after draining the old oil and let the machine spin for a few minutes at low rpm. Allow the oil to collect residual contaminants as much as possible, and then drain the oil. Note: Oil is best filtered before use. When using grease-lubricated NSK bearings to replace the grease, the remover used should avoid any part of the NSK bearing with cotton material. This is especially important for small bearing applications as these residual fibers can wedge between the rolling elements and cause damage. Finally, it is important to note that the exposed NSK bearings are covered. When inspecting NSK bearings, do not expose the bearings to contamination or moisture. If work is interrupted, cover the machine with oil-paper-plastic sheets or similar materials. If cleaning the uncovered bearing without disassembly and inspection is possible, clean it with a coating brush dipped in white spirit, then dry it with a lint-free cloth or blow dry with compressed air (Be careful not to let the bearing assembly start to rotate). Use a small mirror and a probe similar to that used by a dentist to inspect the bearing raceways, retainers and beads. If the bearings are not damaged, relubrication should be performed according to the lubrication instructions provided by the original machine or the recommendations on pages 204 to 247 of this book. Covered or dust-tight bearings should not be cleaned; just wipe the outer surface. If the bearing is damaged, it needs to be replaced. It is far more economical to replace the bearing during a regular downtime than the loss of a sudden downtime due to damage to the array.
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