Oilless bearing TIMKEN bearing installation

Without oil bearing TIMKEN bearing preparation work before installation is as follows:
(1) the shaft and hole assembly there such as bruising, burr, rust stain on the surface or solid particles (such as abrasive dust, sand, clay), not only can make the TIMKEN bearing installation difficulties and make the installation position is not correct, and solid particles such as falling into TIMKEN bearings grinding effect, when TIMKEN bearing rotating grinding or bruising TIMKEN bearing surface of the work, so must be carefully checked before the installation, if found to have the above defects, should be revised.For example using oil file to remove burrs, bump touch mark, rusty spot, with fine abrasive cloth lighting, and like a clean solid particles, dirt, etc. 
(2) before the TIMKEN bearing installation, should use the appropriate measuring tools according to the provisions of the technical requirements on the design drawing check the shaft and hole and the machining quality of parts.