The main points of the inventory NTN Bearing heating installation method

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â'  heating temperature to control the proper temperature NTN Bearing damage, the temperature is too low ferrule insufficient amount of expansion, the effect is not significant. 80 ~ 100 ℃ heating temperature of the resul tant amount of thermal expansion of the inner diameter of the inner ring, which has generally the amount of interference NTN Bearing, is already sufficient.
â'¡ a heating temperature reaches the required installation should as soon as possible, to avoid cooling occurs installation difficulties.angular bearing
â'¢ NTN bearing upon cooling in the width direction of contraction, so the installation to a certain pressure is applied to the inner ring pressed to the shoulder, and after cooling with ultrathin feeler test for the detection, whether in the inner end face of the shaft shoulder occurs between the gap. In short, the action requires a skilled, quickly and accurately.
Must be tightened in order to prevent the NTN bearings on the shaft and ferrule in NTN bearing the hole mobile, bearing within the shaft; outer ring must be secured to the bearing hole (or sets of cups). NTN beariginner and outer ring requires bidirectional or unidirectional axial fastening, or axial moving, depending on the limit of the supporting requirements and the type of bearings used.