Roller bearing types mainly have to the short cylindrical roller, double row to the heart of the spherical roller, tapered roller and thrust roller structure type. Roller bearings are short cylindrical, tapered or drum-shaped rollers for rolling body rolling bearings.
Cylindrical roller bearings This type of roller is mainly used for cylindrical roller bearings, but also can be roller components directly used in machinery. This type of roller has been standardised in size and can be used as commercial rollers for design and user selection.
This type of roller is divided into two types with and without shaft diameter, mainly used for long cylindrical roller bearings, but also the roller assembly can be used directly in the machinery.
These rollers are mainly used for needle roller bearings, cardan needle roller bearings and thrust needle roller bearings, but also can be used directly in the needle roller assembly machinery. These rollers are available in a range of sizes for design options. According to the needs of the bearing structure, the two ends of the needle roller head shape has a tapered head shape, flat head shape, round head shape, etc.
Is a circular truncated cone, its cone angle is usually 1 ° ~ 4 ° 20′, there are less than 1 ° or greater than 4 ° 20′, more than 2 °. Roller length generally does not exceed twice the diameter of the large end of the roller. These rollers are mostly used for tapered roller bearings, large taper angle of the roller basically used for thrust tapered roller bearings.
The rolling surface of the roller is spherical. The use of this roller bearing has automatic self-aligning performance, can withstand a large load. Spherical roller is divided into asymmetrical and symmetrical shape, generally asymmetrical large end face for the spherical surface, symmetrical shape of the two end face for the flat end face. Symmetrical spherical roller performance is better, and asymmetrical for the elimination of the form. These rollers are used for spherical roller bearings and thrust spherical roller bearings.
It is a special section of steel tape rolled into a hollow roller, divided into two kinds of left and right rotation. This roller application is not very wide, mainly used for impact load spiral roller bearings.
Pillar bearing centre with through hole, this hole is used to install pillar, in order to fix in the piece of pillar keep frame. The roller shape has cylindrical, tapered, spherical, mainly used for very large bearings.
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