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   Shenzhen NSK needle roller bearings 7200AC / DT size parameters
[7200AC / DT bearing】 Size Specifications:
Bearing Type: 7200AC / DT bearing
Inner diameter: 10mm
Outer diameter: 30mm
Thickness: 18mm
Bearing series: angular contact ball bearings
Bearing Brand: NSK Bearings
Spot supply of imported bearings NSK
   High-speed precision angular contact ball bearings, mainly for high-speed rotating light load situations requiring high precision bearings, high speed, low vibration, low temperature rise and a certain life. Often high-speed spindle bearing installed in pairs, is the inner surface of the high-speed spindle grinder key component parts. Main Specifications:
   1. Bearing precision index: more than GB / 307.1-94 P4 level precision
   2. High-speed performance: dmN value of 1.3 ~ 1.8x 106 / min
   3. life (average):> 1500 h
   High-speed precision angular contact ball bearing life of a great relationship with the installation, you should note the following
   1. Bearing installation should be in clean, clean a room, to go through carefully matching bearing, bearing spacer to go through the grind, while maintaining the inner and outer ring spacers high premise spacer parallelism should be controlled in 1um the following;
   2. The bearings should be cleaned before installation clean, cleaning the inner slope upward, feel should be flexible, no sense of stagnation, dried, placed in a predetermined amount of fat, in the case of oil mist lubrication should be placed in a small amount of oil mist;
   3. Bearing installation should use special tools, even by force, non-beat;
   4. Bearing storage should be clean and ventilated, non-corrosive gases, relative humidity less than 65%, long-term storage should be regularly rust.
   nsk bearing installation:
    1. To install the front axle bearings, you must unplug the jacket bearing a fixed pin, while the journal surface sanded smooth and clean, and coated with anti-rust and lubricating oil (allowing a slight rotation of the bearing on the shaft) at the journal office.
     2. In the housing and bearing with topcoat lubricants, the bearing into the bearing housing. Then the assembled bearing together with NSK bearing sleeve on the shaft. Pushed to the desired position for installation.
    3. Fixed bearing bolts do not tighten, let the bearing housing can rotate in the bearing housing. Also installed the other end of the bearing and housing with a shaft, the shaft a few times, so that the bearing itself automatically after alignment position. Then bearing bolt well.
    4. Eccentric loading. First steps in the eccentric eccentric condoms bearing sleeve and hand direction along the axis of rotation and tighten. Then insert a small iron bar or the eccentric sleeve against the sink hole. Hand direction of rotation along the axis of the percussion hammer small iron bar. The eccentric sleeve securely installed, and finally locking socket head cap screws eccentric sleeve.
   We recommend the following models: 61860-M bearing HH224332 / HH224310-B bearings 2303.2RS.TV bearings 6200-C bearing NART17VR bearing 24032EW33K30 bearing BT4B334015G / HA1VA901 bearing 29413 bearing 7028DT bearings 7036AC / DB bearings 7200AC / DT bearing
   I also recommend you 7200AC / DT bearing uses: ball mill, plastics and rubber industry, plastic blending machine, bucket elevator, electrical, mold temperature, mine construction equipment, metal, plastic molding machines, flotation equipment, etc. use.