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Roller Bearings A Pivotal Component
Jul 17, 2017

Roller bearings because of the use of short cylindrical, conical or drum-shaped roller for the rolling body named, its role is to support the mechanical rotating body, reducing the equipment in the transmission process of mechanical load friction coefficient. Roller bearings are generally classified as follows:

1, cylindrical roller bearings: This type of roller is mainly used for cylindrical roller bearings, roller components can also be used directly in the machinery. The roller is standardized in size and can be used as a product roller for design and user selection.

2, long cylindrical roller bearings: This type of roller with shaft diameter and no shaft diameter with two, mainly for long cylindrical roller bearings, roller components can also be used directly in the machine.

3, needle roller bearings: This type of roller is mainly used for needle roller bearings, universal needle roller bearings and thrust needle roller bearings, needle roller components can also be used directly in the machinery. This type of roller has been serialized in size for design options. According to the needs of bearing structure, the shape of the needle at both ends of the head shape of a cone-shaped, flat-shaped, round-shaped and so on.

4, tapered roller bearings: rounded cone, the taper angle is usually 1 ° ~ 4 ° 20 ', there are less than 1 ° or greater than 4 ° 20', mostly 2 °. The roller length generally does not exceed twice the diameter of the roller. This type of roller is mostly used for tapered roller bearings, large cone angle roller is basically used for thrust tapered roller bearings.

5, spherical roller bearings: roller rolling surface was spherical shape. The use of this roller bearing with self-aligning performance, can withstand a lot of load. Spherical roller sub-asymmetric and symmetrical shape, the general asymmetric large end of the spherical surface, symmetrical shape of the two sides of the flat face. Symmetrical spherical roller performance is better, and non-symmetrical type for the elimination. This type of roller is used for spherical roller bearings and thrust spherical roller bearings.

6, spiral roller bearings: it is a special section of the strip made of hollow roller, sub-left and right-handed two. This roller is not very widely used, mainly for the impact load of the spiral roller bearings.

7, pillar hole roller bearings: pillar hole roller center with a hole, this hole is used to install the pillars, so as to be fixed in the sheet pillar holder. The roller shape is cylindrical, conical, spherical, mainly for large bearings.

Bearing is a mechanical and equipment in a pivotal component, we choose to consider the different characteristics of the bearing to choose the most appropriate features.


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