1,  FAG import bearings logo. Some regular parts with mark on , such as a marker top gear assembly mark used to ensure correct installation parts, cannot be bought.

2, FAG bearing color. Some original parts surface designated a certain color, if encounter other color, it is fake and inferior parts.

3,  FAG bearing appearance. The original factory accessories printed or type casting appearance and marking the formal clear, and fake product appearance rough.

4,  the paint. Unscrupulous businessmen will waste parts by a simple processing, such as demolition, outfit, fight, collect, brush paint processing, and pretend to be qualified to sell, illegal up profits.

5,  FAG import bearing texture. The material is the original parts according to the design requirements by qualified materials, fake products using cheap inferior material substitution.

6,  omissions. Regular assembly parts must be complete in good condition, to ensure smooth installation and normal operation. Some assembly parts of the individual small parts leaks installs, general is "gray", the difficulty to instal.Often for some small parts shortages , cause the whole assembly parts scrap.

7,  FAG import bearings storage. Auto parts if appear crack, oxidation, discolor or aging, may be stored in poor environment , storage time is long, the materials themselves caused by the poor.

8,  FAG import bearing joint. If there is a clutch of rivet, brake Pipe loose , electrical parts joint welding, and take off the paper filter juncture place to take off the phenomenon such as open, it can not use.

9,  FAG bearing packaging. The original factory accessories packaging is compared commonly standard, unified standard specifications, printed the handwriting clear formal, but fake products packaging printing is poor, often can easily find out from the packaging flaw.

 
10,  FAG import bearing process. Inferior product appearance sometimes good, but the production process is poor, easy to crack, sand holes, slag inclusion, burr or collision. Cylinder cushion extrusion, when using, easy to cause seal lax and ablation, lead to air leakage and oil leakage and leaking phenomenon; The piston and piston rings surface, suitable work to pull cylinder.



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