Frequent problems in the use of bearings

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, change 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, change 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 the inner diameter of the bearing is corrected, and the sealing form is changed.

The rotary vibration of the shaft is large

1, peeling: fatigue peeling, change bearings

2, poor assembly: improve the machining accuracy of the shaft, improve the installation method

3, foreign matter intrusion: cleaning related parts, using clean grease

Lubricant leakage is greatly discolored

1. Too much lubricant: reduce lubricant

2, foreign body invasion: cleaning related parts

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