Use ofball bearingsto reduce friction

Roller Bearings are characterised by line contact. This type of contact means that roller bearings have a higher load rating than ball bearings of the same size; however the speed ability is lower than a ball bearing due to the increased friction of a contact line.

Deep-Groove Ball Bearings are the most commonly used and feature in a wide range of different applications. Thanks to their simple design, they are easy to maintain and not sensitive to operating conditions.

What are ball bearings used forin cars

Spherical Roller Bearings are very robust and work on the same principle as Self-aligning bearings with the exception that they comprise spherical rollers instead of balls allowing higher loads to be supported. This can compensate for misalignments between the shaft and the housing.

Angular Contact Ball Bearings are characterised by a contact angle. This means that forces are transferred from one raceway to the other at a particular angle.

What are ball bearingsmade of

In addition to radial forces, they absorb axial forces in both directions. Their low torque makes them suitable for high speeds. >>

ballbearing中文

Angular-contact ball bearings are therefore suitable for combined loads, where high axial forces have to be transferred in addition to radial forces. >>

Ballbearing examples

This type of bearing is recommended when problems arise with the alignment of the shaft and the housing (misalignment) and the shaft could deflect. Self-aligning ball bearings are primarily suitable for absorbing radial forces. >>

Howball bearingsreduce friction

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Thrust ball bearings were developed solely for absorbing axial forces in one direction, which means that they can locate the shaft axially in one direction. >>

Self-Aligning Ball Bearings comprise a double row of balls guided by a cage and double row inner ring raceway but have the special feature of a continuous spherical outer ring raceway allowing the inner ring / ball complement to swivel within the outer ring. This enables a degree of self-alignment in the application.

Needle Roller Bearings are a special type of cylindrical roller bearing which containing very long, thin rolling elements, known as needle rollers. The ratio of diameter to length is between 1:3 and 1:10.

Ball Bearings use balls as rolling elements. They are characterised by point contact between the balls and the raceways. As a rule, ball bearings can rotate very quickly but cannot support substantial loads.

Cylindrical Roller Bearings use line contact between the rolling elements and the raceways, which optimises the distribution of stress factors at the point of contact between the roller and the raceway. This construction means that cylindrical roller bearings have a very high radial load rating.