Import bearings in machinery is mainly the support and reducing friction effects, so the precision, noise bearings are directly related to the use of machinery and life. But business people always often meet with some customers that use the best bearing or import bearings its efficiency is not high, it is related to the use of bearing and selection. Someone might say "bearing and the use of that is the user choice, I just what the user wants to sell me what". But as a qualified sales people in addition to master the knowledge their products should be good at the use of the products, where doctors type of sales, according to the user's accessory products performance, conditions of use to select the best supporting bearing. That is the big companies around the world popular professional manufacture and sale, this way in the humanistic group implement also has achieved good effect.

NSK bearing types because range, the following will mainly to the use and most extensive deep groove ball bearings and the use of choice for some analysis. Hope to bearing a small number of people know we can deepen the understanding of the bearing.

bearing choice

1, FAG bearing types of options: bearing type is generally by the user of the technical personnel according to supporting the use of products to bear a heavy load condition and bearings of choice. Main business personnel learn the user's actual load is consistent with the selected bearing, if bearing can not reach the use requirement, recommends that customers should be reelected as soon as possible model, but unless a special product choice model in the general will not have any problem.

2, SKF bearing clearance choice: users buy when bearing in general will only told what type, level in, and rarely to bearing clearance request, business people must ask qing dynasty bearing conditions of use, including the running speed of the bearing, temperature, fit tolerance are directly related to the bearing clearance choice. General in 3500 RPM speed of the motor is used mostly CM clearance, such as high temperature high speed motor required by the relatively large clearance. Bearing clearance in the assembly to hole up for the big and outside round narrow and result in the loss of, clearance decrease of = over surplus quantity x 60% (bearing room is the aluminum except). Such as bearing clearance before assembly is 0.01 mm, assembling a surplus quantity of 0.01 mm, the bearing assembly after the clearance of 0.004 mm. In theory bearing in zero clearance when noise and life are to achieve best state, but in actual operation into the problems such as temperature, bearing in the assembly to clearance of 0.002 mm to 0.004 mm is better.

3, grease choice: the choice of oil is usually according to the running speed of the bearing, heat resistance, noise starting torque requirements and aspects of choice for business people to all sorts of grease performance very well.

4, INA bearing seal type choice: bearing can be divided into oil lubrication grease lubrication and. Oil lubricating bearings are generally choose form bearing grease lubrication, bearing general selection dust cover or rubber seal. Dust cover suitable for high temperature or use environment good parts, sealers points contact seal and non-contact seal two kinds, non-contact seal dustproof performance good but starting torque, not pick type sealing of starting torque is small, but the sealing performance no contact.

 
Humanistic bearing is currently in the car motor bearing, home appliance motor bearing, motorcycle bearing, the health care industry such as motor bearing the professional manufacturing, make the noise of the bearing and life expectancy at their best.
 
 



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