Ball and roller bearings are one of the common types of rolling bearings, the ball bearing ball is installed in the middle of the inner and outer steel ring, can withstand the larger load. Roller bearings: one of the most widely used components in modern machinery.
Ball bearing is a kind of rolling bearing, ball ball installed in the middle of the inner and outer steel ring, can withstand the larger load. Also called ball bearing.
Within a reasonable range, changes in load, speed and operating temperature have only a small effect on the good performance of the ball bearing.
The bearing belongs to one of the rolling bearings, which is one of the widely used components in modern machinery.
It relies on the rolling contact between the main components to support the rotating parts.
(1), the ball and bearing ring raceway for point contact.
As the load acting on the bearing becomes larger and larger, the contact point becomes an elliptical area.
Small contact area can make the rolling friction become smaller, thus making the ball bearing can adapt to high speed while limiting its load carrying capacity.
(2), roller and bearing ring raceway for line contact.
As the load acting on the bearing becomes larger and larger, the contact line will become a kind of rectangle.
As the contact area becomes larger and the resulting friction becomes greater, compared to a ball bearing of the same size, a roller bearing can carry heavier loads but at lower speeds
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