NSK ball bearing rotates the body having a support role, but can reduce the frictional resistance of 5-10 times the conventional type made of bearing steel disguise NSK bearings temperature point is 120 degrees, the high bearing temperature, the most suitable bearing temperature should be maintained at 300 degrees or less (except under special circumstances). Different types of bearings, since different viscosity, NSK bearing lubricating oil temperature is different, for example: Bearing type AFA and AFC, the viscosity was 288 AFA temperature should be -45 degrees - 160 degrees, the AFC bearing lubricant viscosity is 288, although very wide operating temperature, but need to keep at -54 degrees - 177 degrees.
In the case of bearing high temperature operation, the use of lubricants can reduce bearing wear and tear due to overheating, thereby reducing the bearing life. Therefore, the impact of the bearing grease can not be ignored. In order to meet the mechanical requirements NSK bearing, bearing oil viscosity properties become important characteristic of the bearing, the viscosity directly affects the size of the mobility of the bearing surface lubricity, the bearing surface formed by the friction of the film speed of the bearing load of a thickness of the object of study. For low, the bearing lubrication, oil bath lubrication is the most common method of lubricating the bearing by the oil tank by the rotation of the bearing parts with the starting, back into the oil tank and the characteristics of the bearing surfaces and internal parts of the bearing ring lubrication, thereby reducing friction and reduce the temperature.
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