Zhejiang Waxing Electromechanical Co., Ltd is one of the most professional manufacturers and suppliers of 578396a auto wheel hub bearing in China. Welcome to buy high quality customized bearings made in China here from our factory. For price consultation, contact us.
Products Description
No.: 578396A
Size：55x90x55 mm
Weight：1.4kg
Lead time:5-7 business day
Products Description
Type:Auto Wheel Hub Bearing
To adopt the structure of double row inner rings,the angle which fills the ball is bigger than others,the auto wheel hub bearings can bear heavier axial and radial load.It is no need to adjust the inner clearance because it is already preserved in making.It was filled with lubricating grease in high quality in the inner bearing,which could make the assemblage and usage easily.Now there are more than 500 kinds of these bearings.
Products Description
We sell superior replacement Linear bearing parts, such as the 578396A, at competitive prices that minimize your costs. We are fiercely committed to elevating your profitability and consequently we have built an elite reputation for ourselves as the industry-leading aftermarket authority. You won’t find a better deal on aftermarket Linear bearing parts, or the 578396A, anywhere else on the web.
In the process of truck maintenance, it is undoubtedly necessary to add grease to various parts and carry out necessary lubrication and maintenance. But many card lovers have some misunderstandings in the maintenance process, let's learn together with everyone!
Wheel hub maintenance should use "empty hub" lubrication
There are usually two maintenance methods for the bearings of the front and rear hubs of trucks, "full hub lubrication" and "empty hub lubrication". The difference between the two methods is that in addition to filling the bearings with lubrication, the former fills the inner cavity of the hub bearing with grease, and the latter only applies a light layer of grease to prevent rust.
The effect of "empty hub lubrication" after maintenance
"Full hub lubrication" is the practice of filling the hub cavity with grease, and the excess grease will not participate in the bearing lubrication process, on the contrary it will lead to poor heat dissipation and increased resistance. When the temperature rises, the deterioration of the lubricating grease will be accelerated, and the oil seal will be squeezed after being heated and expanded, resulting in damage, flowing to the brake pads, causing brake failure or even fire.
"Empty hub lubrication" only applies a thin layer of grease to the hub to prevent rust, which prevents the above hazards and saves a lot of grease. The average amount of each hub is only 150-250 grams, while a full hub needs about 1000 grams. There are also differences in rolling resistance. The empty hub method can allow the tires to rotate more laps by inertia. The calculation of the 12 inter-axle lubrication points of a six-axle semi-trailer tractor has a very obvious effect of saving fuel.
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