Books and knowledge

1,NTN bearing contact is tired to fail Exposed to tired to fail it is the intersection of NTN and the intersection of bearing and the intersection of work and surface that fail under the influence of reversal stress. It is tired to be exposed to and peel off and take place and work on the surface in NTN bearing, is accompanied by in the tired crackle too frequently, most large reversal cut the intersection of stress and, produce, then expand surface to, form different shape of peeling off from exposed to surface at first, if point-like for click, lose or not rough to peel off a bit, peel off ...

In each process that NTN bearing part is processed, process superficial size, shape and position precision in order to obtain NTN bearing, must adjust lathe, jig and cutter, any adjustment will inevitablely bring certain error. Production lot and machining accuracy of NSK bearing part often require the difference in machinery is processed, adjustment methods adopted are different too. For instance generally adopt the model, a kind of piece, piece of the shelf and adjust the craft system by the mould,etc. at the time of NTN bearing production in enormous quantities; In the single small serial ...

The house for a lot of people has a motor, have NTN bearing too inside the motor, full of installing China's production bearing, and some import NTN bearing installing, the bearing of these motors had better be to install NTN of high quality and import the bearing, but the life-span size of NTN bearing also needs us to use good, if will not use NTN bearing, the even better NTN bearing has no use, next let us recommend how heat oil wash the motor NTN bearing for a while. Hot oil wash law, use with the passing of time, soft to dry oil or antirust NTN bearing that the lotion hardens, should soak ...

After NTN bearing is installed, in order to check whether it is correct to install, need to operate and check, small-scale machinery can rotate to confirm whether to rotate smoothly with hands. Check project, have incurred because of foreign matter, scar, compression operation smooth because installs badlying, processing bad mount pad and rotatory torsion that produce getting large in uneven caused by that it is small to pass, install the error to seal friction in the backlash torsion. Have unusual can power turn round at the beginning. Because large-scale machinery can't be rotated manually, ...

NTN grit of bearing abrade, mean NTN import bearing work between the surface crowding, entering outside hard particle or hard foreign matter or metal surface rub bits and exposed to surface relatively move The abrasion moved and caused, it causes plowing the sulciform abrasion to often work in the bearing superficially. The hard particle or foreign matter might come from the host computer or come from other adjacent parts of host computer system lubricated mediums and sent to NTN bearing. Glue, abrade, rub micro- and protruding a superficial one or foreign matter make rub surface receive ...

The adaptability is good, have high low-temperature performance, can be inside and outside the room, common in the South and the North. Suitable consistency, have better reducing and bestiring oneself and using, can reduce the noise of the electrical machinery NTN bearing, favorable to environmental protection. There are fine on flowability,it demand generally use on temperature until - C- C of 120 degrees of 25 degrees,it starts that moment is little, it operates that moment is low, there is little consumption, warm liter is low. The insulating grade is A, E, B grade, can't contain sulphur, ...

The correct maintenance and maintaining in time of NTN bearing, it is an important respect of guaranteeing the machinery of the highway runs well. If the maintenance, maintenance of the exterior sphere bearing is better, can work several thousand will disappear even longer; On the contrary, will make the bearing service life of exterior sphere drop greatly, even will present the serious accident of burning tiles, embracing the axle etc.. Usually the working temperature of lubricating oil of NTN bearing can't be higher than 50 ℃. In order to guarantee the lubricating oil is sufficient, ...

The rolling bearing is the accurate part, it must go on to use cautiously accordingly. No matter what a high-performance bearing to use, if improperly use, must use anticipated high performance. Must pay attention to the following items while using NTN bearing: 1,Keep the bearing and clean around. Even it is eyes that think little dust, can bring bad influence to NTN bearing too. So should keep clean around, make the dust unlikely to invade the bearing. 2,Use carefully carefully Administrate the bearing to assault in using strongly, will produce scar and compression, become the reason of the ...

1.A superficial metal peels off rolling The intersection of NTN and the intersection of bearing and body and inner getting away on dishes of surface bearing and periodically pulsing on loaded function by outer lane, thus produced the contact stress changed in cycle. After the number of cycles of the stress reaches certain number value, produce fatigue to peel off in the body or inner, outer lane rolls in a working range. If the load of NTN bearing is too big, will make this kind tired and aggravate. In addition, NTN bearing is not being installed, the axle is being crooked, will produce and ...

1.Contact is tired to fail Exposed to tired to it fails to be bearing work surface produce, fail under the influence of reversal stress. Exposed to tired to peel off, take place in the intersection of NTN and bearing working surfacing, accompany by tired crackle too often, most large reversal cut the intersection of stress and, produce, then expand surface to, form different shape of peeling off from exposed to surface at first, if point-like for click, lose or not rough to peel off a bit, peel off platelet the intersection of title and shallow layer peels off. Because of peeling off the ...