How to install sealed angular contact ball bearings?

Sealed angular contact ball bearings are mainly used in high-speed rotation places with light load, requiring high precision, high speed, low vibration at high temperature and certain service life. Sealed angular contact ball bearings are often used as a pair of supporting parts for high-speed motorized spindles, and is the key accessory for high-speed motorized spindles of internal and external grinding machines.

Important skill indicators:

1. sealed angular contact ball bearings accuracy index: beyond the GB/307.1-94P4 level of accuracy

2. High-speed performance index: dmN value 1.3~1.8x106/min

3. Service life (uniform): >1500h

The service life of high-speed and fine sealed angular contact ball bearings has a lot to do with the device, and the following matters should be paid attention to:

1. The sealed angular contact ball bearings installation should be carried out in a dust-free and clean room. The sealed angular contact ball bearings should be carefully selected and the spacer for the bearing should be ground. On the premise of maintaining the same height of the inner and outer ring spacers, the parallelism of the spacer should be controlled within 1um. the following;

2. The sealed angular contact ball bearings should be cleaned before the installation. When cleaning, the slope of the inner ring should face upwards. The hand feels smart and there is no sense of stopping. After drying, put in a regular amount of grease. If the oil mist is smooth, put a large amount of oil mist oil;

3. Special tools should be used for the bearing device, the force is even, and it is strictly forbidden to beat;

4. The bearing storage should be clean and ventilated, without corrosive gas, and the absolute humidity should not exceed 65%. Temporary storage should be rust-proof.

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