Difference between ball bearing and roller bearing

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Difference between ball bearing and roller bearing

Source: China Bearing Network Time: 2014-02-05
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At present, there are two camps in the automobile bearing shopping mall; one is the most used roller bearing (such as the product of Huifang Company); the other is the double-row angular touch ball bearing (such as SKF, FAG) and many other foreign bearing companies. Car bearing.
In fact, most of the foreign automotive bearings are mainly double-row angular touch ball bearings; most of the domestic use of roller bearings; the most basic reason is that the initial mass company entered the Chinese shopping mall; found that the domestic road conditions are not good; affected the bearing The service life was used; the roller bearings were selected.
So what is the ball bearing? Still good for roller bearings?
Let's dissect their superior defects:
Ball bearing; starting friction coefficient. 咚傩惺 榷ǎ蛔蛄榛 榷ǎ蛔蛄榛. The defect is not resistant to impact; not suitable for messy road conditions.
Roller bearing; bearing load is line touch (different from the point touch of the ball bearing); strong impact resistance; strong adaptability to the road. Therefore, there is a reputation of the masses of mulberry cars running across the country. But it is clear that the formation of the start and the sliding delay Feeling; this will inevitably make everyone feel more dissatisfied with the sense of operation now. There is the addition of fuel consumption; although these are difficult to detect.
Advocate; in some large and medium-sized cities in China; the use of ball bearings in the case of road conditions can be satisfied, but the focus on the selection of ball bearings must use casting bearings.
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