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SKF Angular contact ball bearings are mainly used for load lighter and high-speed rotating occasion, which requires bearing high accuracy, high speed, low temperature rise low vibration and certain service life. They are usually used as supporting components for the high speed electric spindle bearing a paired installation and use, is the inner surface grinding machine high speed electric spindle of key parts and components.
The main technical indicators:
1. Bearing precision index: more than GB / 307.1-94 P4 level accuracy
2. High speed performance indicators: dmN value 1.3 ~ 1.8 x 106 / min
3. Service life (average) : > 1500 h
The life of High speed precision angular contact ball bearings have very large relationships with its installation, we should pay attention to the following matters
1. The bearing should be installed in clean, clean room, bearing to carefully matching, bearing with baffle to pass grinding, and to maintain the internal and external ring spacing ring contour premise, spacing ring parallel degree should be controlled in the 1 um,
2. Bearing before installation should be cleaned, when cleaning, inner ring slope up, hand induction agile, no stagnation feeling, air, oil, such as in the specified amount of oil mist lubrication should be put in a small amount of oil mist oil;
3. Bearing installation should use special tools, force uniform, it is strictly prohibited to knock;
4. Bearing should be stored clean and ventilated, no corrosion gas, relative humidity not ultra 65%, long-term storage should be regularly rust.
| Product Model | Inside Diameter | Outside Diameter | Thickness |
| 7340ADT NSK | 200 | 420 | 80 |
| 7240BDT NSK | 200 | 360 | 58 |