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Bella2021.02.24 17:03
SKF 4203 ATN9 bearing

SKF bearing temperature check.It can usually be estimated based on the external temperature of the bearing housing.However, it is more accurate to use the oil hole to directly measure the temperature of the outer ring of the SKF bearing.The temperature of SKF bearings gradually increases from the beginning of operation, and the temperature is usually stable after 1 to 2 hours.

If the SKF bearing is not installed properly, the temperature will rise sharply and abnormally high temperature will appear. The reasons are too much lubricant, SKF bearing clearance is too small, poor installation, excessive friction of the sealing device, etc. In the case of high-speed rotation, the selection of SKF bearing structure and lubrication method is also the reason.

SKF bearing sound inspection.The rotating sound is checked with a stethoscope, etc.If there is strong metal noise,abnormal sound, irregular sound, etc., it is abnormal.The causes of noise include poor lubrication, poor accuracy of the shaft or SKF bearing housing, bearing damage, and foreign matter intrusion.
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