Roller bearing is cylindrical, conical or drum-shaped roller for rolling element bearing. Roller bearings are mainly radial cylindrical roller, double row spherical roller, tapered roller and thrust roller and structure type.
2013年8月5日星期一
Chamfer is uniform
The so-called bearing chamfer, which is the horizontal plane and the vertical plane of the junction, counterfeit products backing bearings limitations due to production technology, in which the corners of the site handled unsatisfactory, which we can easily identify.
Bearings
Package
Bearing packaging and outer packaging since the beginning
Bearing in the manufacture of finished and after passing inspection, cleaning and rust treatment that is then placed inside the packaging in order to achieve waterproof, moisture-proof, dust-proof, anti-shock, maintaining the quality and accuracy of the bearing and the purpose of ease of use and sale .
Bearing inner packing by anti-rust period is divided into three categories:
① Short rust Packing: rust of 3 to 6 months, suitable for large volume shipments to the same subscriber, the short term will be put into use bearings. By mutual agreement, in order to facilitate the use of the principle, the use of simple packaging.
② general rust Packing: anti-rust period of one year, for general purpose bearings.
③ long rust Packing: anti-rust period of two years for special and precision bearings.
Bearing polyethylene plastic tube packaging materials (boxes), kraft paper, plain paper and wrinkles polyethylene, paper, polyethylene or polyethylene plastic film, plastic woven nylon fastening tape or grip tape, waterproof high-strength plastic tape , hessian bags and so on. These materials are required to ensure that the corrosion resistance of materials passing the test.
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