Tapered roller bearing quality judgment discussion

timer Asked: Feb 22nd, 2014

Question description

Bearing outer packing is clear

In general, are factory has its own special brand of Supplier For Wholesale Bearings 

http://www.abtbearings.com/ foreign packaging designers design, and arrange production with 

the conditions of the factory production, so the packing is very clear, from the line to the 

color piece unequivocally, some imported brand package of accessories and special unique 

design to protect their intellectual property.

Bearing seal is the words clearly

On three Thai SUNTHAI tapered roller bearing body printed with brand, label, etc. Font is 

very small, but is produced by the factory are mostly use seal technology, and before 

without overheating treatment of words, so the font although small, but deep concave, very 

clear. And counterfeit products font instead of fuzzy, because of printing technology 

coarse, font float to the surface, in some cases can be easily erased by hand.

If there is a hybrid ring bearing of the bearing body

Three Thai SUNTHAI with his left hand circular cone roller bearings bearing body, right hand 

toggle coat to make it spin, listen to its hybrid ring. Due to the backward production 

conditions most of the counterfeit products, fully manual mill operation, in the process of 

production inevitably mixed into the sand kind of impurity, hidden in the bearing body, so 

makes a noise when rotating ring. This is and strict production standards, and use machine 

operation are factory is the biggest difference between brands.

Three Thai SUNTHAI tapered roller bearing surfaces are muddy soil

This when buying three Thai SUNTHAI tapered roller bearing should pay special attention to. 

Due to the current domestic antirust technology is not particularly home, so the antirust 

processing was carried out on the bearing body and is easy to leave the thick oil stains, 

holding the thick thick, while the foreign original three Thai SUNTHAI tapered roller 

bearing can hardly see the trace of anti-rust oil, is particularly careful expert said 

bearing smell a smell, must be under the anti-rust oil, just can't see.

Bearing chamfer is uniform

The so-called three Thai SUNTHAI chamfering of tapered roller bearing, which is on the 

surface of the horizontal plane and vertical junction, fake three Thai SUNTHAI circular cone 

roller bearings due to the limitation of production technology, in the area of the fringes 

is handled.

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