High speed precision angle contact ball bearing, mainly for the load lighter high-speed occasions, request bearing high accuracy, high speed, low temperature rise of low vibration and certain service life. Often speed electric spindle supporting a pair of installation and use, is the surface grinding machine of high speed electric spindle key accessories.

The main technical indexes:

1. Three Thai bearing accuracy index: more than GB / 307.1-94 P4 level precision

2. The performance index: dmN value 1.3 ~ 1.8 x 106 / min

3. The service life (on average) : > 1500 h

Three Thai high speed precision Angle contact ball bearing service life and installation has the very big relations, we should pay attention to the following matters

1. The bearing should be installed in the clean, clean room, bearing to carefully matching, bearing with every lap to lapped, in keep inside and outside the circle high, under the premise of the parallel degree circle should be controlled in 1 um the following;

2 bearing before the installation, should be cleaned, when cleaning the circle of inner slope, hand induction flexible, no stagnation feeling, dry, plus specified amount in oil, in the case of oil mist should be put in a small amount of oil lubrication oil mist;

3. Bearing installed should use special tool, stress even, it is strictly prohibited to beat;

4.bearing should be stored clean and ventilated, non-corrosive gases, relative humidity not super 65%, long-term custody should be regularly rust



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