Strong metal tone
1. Abnormal load: choose the appropriate assembly clearance and preload
2, poor assembly: improve the machining accuracy of the shaft, improve the installation method
3. Insufficient lubricant: supplement or use suitable lubricant
Regular tone
1. Foreign matter causes channel corrosion, indentation, and scratches: cleaning related parts, using clean grease
2, channel spalling: fatigue wear, replace the bearing
Irregular sound
1. Intrusion of foreign matter: cleaning related parts, using clean grease
2, the clearance is too large: pay attention to match and choose the right clearance
3, steel ball scars: steel ball fatigue peeling or foreign body card damage, replace the bearing
Abnormal temperature rise
1. Too much lubricant: reduce lubricant
2. Insufficient lubricant, or not suitable: increase lubricant or choose suitable lubricant
3. The mating surface creep or the sealing device is too large: the outer diameter or inner diameter of the bearing is corrected, and the sealing form is changed.
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