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(1) in the bearing before installation, appropriate measuring tool should be used according to the design drawings on the technical requirements, check the shaft and housing bore and the machining quality of parts (such as shape accuracy and dimensional accuracy and surface roughness).
(2) axis and block hole of Assembly surface Shang as has touch injury, and Burr, and rust or solid particles (as mill chip, and sand grain, and soil), exists, not only will makes bearing installed difficulties and makes installed location does not correctly, and solid particles as fall into the bearing within on will up grinding role, dang bearing rotating Shi on will mill injury or abrasions bearing of work surface, so in installed zhiqian must carefully be check, as found has above defects, should be amendment.
(3) mounting surface should be clean, such as gasoline, kerosene, toluene or xylene solution cleaning clean, wipe dry with a clean cloth, and then coated with a thin layer of lubricant, which can make the installation more convenient to operate.
(4) open bearings during installation package, immerse it in these liquids, such as gasoline in hand and rotate the mitigation, to keep the cage, rolling element and the Raceway surface of encapsulated oil is thoroughly clean.
Bearing check has been completed, shall be immediately delivered or rust inventory processing, the entire review process should also pay close attention to finish, so as not to last too long causing corrosion. Attention to the use of pure gasoline without oil cleaning can also cause corrosion.
Before checking it in the airside departure area and also check the bearing block, standard parts and measuring instruments used by common on a metal plate placed on inspection of premises, thus making these items more quickly of homogenization temperature and room temperature.
| Product Model | Inside Diameter | Outside Diameter | Thickness |
| 7022CTYNSULP4 NSK | 110 | 170 | 28 |
| 7021ATYNSULP4 NSK | 105 | 160 | 26 |