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2019
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12
The difference between imported bearings and domestic bearings
Author:
With the advent of the international tide, domestic bearing code gradually with imported bearing code, the latest publication of national standards show that the domestic code and international ISO standards are basically consistent.
With the advent of the international tide, domestic bearing code gradually with imported bearing code, the latest publication of national standards show that the domestic code and international ISO standards are basically consistent.
1, the difference between models
With the advent of the international tide, domestic bearing code gradually with imported bearing code, the latest publication of national standards show that the domestic code and international ISO standards are basically consistent.
The signs on the bearings, such as the famous domestic bearings, are generally Luoyang shaft code (LUO) and Harbin bearing code (HA). This is basically the case. Each bearing has a digital code to indicate that there is a pinyin sign other than the bearing model to represent the place of origin. If you are from the machinery industry, you should know it.
(2) Other aspects
Compared with domestic bearings, imported bearings are generally made of better materials than domestic ones, the heat treatment process is more advanced than domestic ones, the manufacturing precision is high, the manufacturing and assembly process is more reasonable, and the service life is long, of course, the price is also higher. And imported bearings are generally more authentic, the most important thing is ...... imported bearings are made in foreign countries. Ha ha, everyone can understand this without saying.
For life, although the service life of imported bearings is longer than that of domestic ones, domestic ones can be completely used if ordinary machines do not require high precision. Now domestic such as HRB,ZWZ and other large manufacturers of bearing quality is very good. The price is also appropriate and can be used to live. However, it is better to import when accuracy is required.
Keywords: Shenzhen automation equipment mechanical equipment automation mechanical automation equipment surface treatment equipment automatic transmission engineering equipment industrial waste gas treatment equipment
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