Preparation before the installation of the NSK rolling bearing

Source: Bearing network time: 2013-12-20

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(1) Before the NSK bearing device; the appropriate skill should be used to measure the skill requirements on the design drawings; view the machining quality of the shaft and the seat hole and related parts (such as dimensional accuracy, shape accuracy and appearance roughness).
(2) The presence of bumps, burrs, rust or solid particles (such as wear debris, sand, dirt) on the surface of the shaft and housing bore; not only makes the NSK bearing device difficult and the orientation of the device is incorrect; If the solid particles fall into the NSK bearing, it will have a grinding effect; when the NSK bearing rotates, it will wear or scratch the outer surface of the NSK bearing; therefore, it is necessary to carefully check it before the device; if any of the above defects are found; Correction. For example, use oil sputum to remove burrs, bumps, rust spots; and use fine sand cloth to light; as well as remove solid particles, dirt and so on.
(3) The surface of the device should be cleaned with a clean solution of gasoline, kerosene, toluene or xylene; and wiped with a clean rag; then coated with a thin layer of lubricant; this will make the device more convenient.
(4) Open the NSK bearing package when the device is installed; immerse it in the above-mentioned gasoline and other liquids to gently change the hand; make sure to adhere to the frame; the rolling oil and the surface of the raceway are completely cleaned.
(5) When removing a lot of NSK bearings; first use hot oil with a temperature of 90-100 Â°C to melt the encapsulating oil; use a seamless mouth and do not throw things to dig all the old oil; then rinse for a few minutes; Then use kerosene to rinse the oil; finally remove it with gasoline. After cleaning, clean it; put the NSK bearing on a clean cloth on the workbench or dry it on paper.
(6) Pay attention to the NSK bearing with seal can not be removed by this method; the inside of the seal should not be removed as it is.

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