According to the Hendin automobile hub unit was informed that with the development of science and technology, the use range of car hub bearing units and the use of the growing, has been developed to the third generation: the first generation is composed of double row angular contact bearing. The second generation in the outer raceway has a flange for bearing fixed, will be simple bearing sleeve to the shaft is fixed by a nut, making the car repair easier. The third generation hub bearing unit is the bearing unit and anti lock brake system matching
Now the modified wheel on the market but also not only all kinds of dragons and fishes jumbled together here there is no shortage of large, well-known manufacturers of the hub, but more is the "copycat manufacturing factory" high imitation products, these products are only the appearance of almost and those well-known manufacturers like appearance, but from the strength of the wheel to the safety factor are not security, but sales are several times those in big firms or even dozens of times. Hendin automobile hub unit said the purchase of these hubriders once a problem is not imagine the consequences. The selection of well-known brandowners is a period of time in the circle of friends, there are some brands of fancier or economically wealthy owners, after all brand hub of hundreds of thousands of dollars a price not everyone can afford.
Note
Worn or damaged wheel bearing or hub unit will make the vehicle failure inappropriate and high cost occurs in the running way, or even damage to the safety of driving. Hendin automobile hub unit said in the use and installation of the hub bearing should pay attention to the following matters:
First, in order to maximize the safety and reliability, no matter how long they suggest you should always check the age of the vehicle wheel bearings -- attention bearings for early warning signals: including any wear friction noise when rotating or hanging combination wheel when cornering speed is not normal.
Two, as part of a wheel bearing heard murmur, first of all, it is important to find the location ofnoise. There are many possible noise of the moving parts, it was some of the rotating member and the rotating member does not have a contact. If the confirmation is in the bearing noise, the bearing may be damaged, need to be replaced.
Three, because of the similar result on both sides of front wheel bearing failure conditions, so even if only one broken bearing, also suggested that pairwise substitution.
Four wheel bearings, more sensitive, and in any case they need to use the correct method andappropriate tools. In the process of transportation and installation, bearing parts can not bedamaged. Some bearings require greater pressure pressing, so need special tools. Be sure to reference the automotive specifications.
Five, the installation of the bearing should be in a clean environment, small particles into the bearing will shorten the service life of the bearing. Hendin automobile hub unit said to maintain clean environment is the replacement of bearings is very important. Do not allow the use ofpercussion hammer bearing, bearing attention do not fall on the ground (or similar misconduct).Before installation to the shaft and housing status check, even minor wear will lead to bad matching, thus causing early failure of bearing.
The sealing ring six, equipped with a ABS device has a magnetic bearing inner ring thrust, thethrust ring may be subjected to collision, impact or collision with other magnetic field phase.Removed from the box before installation, make them far away from the magnetic field, such as the use of electric motor or electric tools etc.. When you install these bearings, through road test observation on the dashboard ABS alert pin, to change the bearing operation.
Seven, equipped with ABS wheel bearings of magnetic thrust ring, in order to determine thethrust ring mounted on either side, you can use a light small things near the edges of the bearing, magnetic bearing will attract it. When installing magnetic thrust ring side pointing to the inside, the sensitive element is ABS. Note: incorrect installation may cause brake system failure.
Eight, many of the bearing is sealed, this type of bearing is not necessary and grease in the whole life. The other is not sealed bearings such as double row tapered roller bearings in the installation must be grease. As the bearing cavity size is different, so it is difficult to determinehow much additional oil, is the most important guarantee of oil bearing, if too much oil, when the bearing
