1. The outer packing is clear: common things conditions, is factory brand has its own special default in the position of people and foreign packaging default, and produce conditions for the factory manufacture produce and pass, because the packaging no matter from a line to color piece are very clear, unambiguous. Steel word is clear: in bearing body with brand will FAG words, label, etc. Font is very small, but are mostly use steel product factory technology, and not through the heat in the disposal of pressure before the word, because the font is small, but concave deep, very clear. And pretend to be fake products not only vaguely font, because printed technology not is exquisite, font floating in appearance, a little even casually can use hand erased.

2. If there is miscellaneous ring: left hand hold FAG bearing of the body, YouShou clicked the coat rotating, listen to any miscellaneous ring. Because most of the produce of the fake products as conditions lags behind, the absolute hand office fang type operation, its hard to avoid in the process of mixed into the sand will sort of impurities, hidden in bearing body, so in the moment will be distributed miscellaneous ring. This is and strict execution produce standard, besides use machine operation between the biggest brand is factory.
Whether the opacity of the appearance oil stains: it should be in the purchase FAG bearing JiaYi. Because domestic so far antirust technology also
 
3. Not especially home, so for bearing body is easy to rust disposal and when leaving a thick oil stains, take the powerful thick sticky stiff, and overseas original bearing on almost can't see the remnants of temporary, but especially with the connoisseur of fine said FAG bearing smelt a kind of taste, affirmation is a temporary, just can't see it.
 
Whether the Angle pouring average: said bearing chamfering, also is the horizontal surface and the vertical at, pretend to be fake the bearing fruit because the technology limit, in these parts to the fringes a disposal unsatisfactory.

For as long as possible to keep a good state of the original performance bearing FAG, shall be the maintenance, the maintenance, in order to prevent accident cure, ensure reliability of operation, improve productive and economy. Maintenance of the conditions of the mechanical operation best corresponding operation standard, on a regular basis. Content including monitoring operation state, supplements or replace lubricant, regular remove examination. As to the working maintenance matters, have bearing rotation sound and vibration, temperature, lubricants state, and so on.

FAG bearing cleaning: remove FAG bearing overhaul, the first record bearing appearance, confirm the lubricant residual stock, sampling check with lubricant after, wash bearing. As a cleaner, common use of gasoline, kerosene. Tear open come down to the bearing of the FAG cleaning, cleaning and fine clean thick points, were in containers, first put on the bottom of the metal net, make no direct contact with the vessel FAG bearing the dirt. Thick cleaning, if the bearing with dirt rotation, will damage the bearing surface rolling, and should be pay attention to. In the thick cleaning oil, use the brush to remove grease and adhesive content, roughly clean, into the fine cleaning. Fine cleaning, is in cleaning oil bearing will rotate in one side, the side of careful cleaning. In addition, cleaning oil will often keep clean.

FAG bearing the overhaul and judgment: in order to judge whether the bearing can be removed using, to bearing washed inspection. Check the groove surface, rolling face, with the state, maintains a wear, FAG bearing clearance and an increase in the size of the decline of the precision have irrelevant damage, abnormal. The separation of small ball bearings, it with one hand will ring in support level, rotate the outer ring confirm whether fluent. Tapered roller bearing separation form bearing, can for rolling body, the outer ring groove surface check respectively. Large bearings for can't use rotate hand, check roller, rolling pavement, maintains a raised edge, face the appearance, the higher the importance of bearing the guarded inspection.




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