The structure and performance characteristics of thrust tapered roller bearings: Since the rolling elements in thrust tapered roller bearings are tapered rollers, structurally, the rolling generatrix and the raceway generatrix of the washer meet at a certain point on the axis of the bearing , so the rolling surface can form pure rolling, and the limit speed is higher than that of thrust cylindrical roller bearings.

    Thrust tapered roller bearings can withstand unidirectional axial loads.

    The type code of the thrust tapered roller bearing is 90000.

    Due to the small production volume of thrust tapered roller bearings, most of the models produced by various factories have non-standard external dimensions, while the series of standard external dimensions have fewer varieties produced, so there is no national standard for external dimensions of this type of bearings. The structure and performance characteristics of thrust angular contact ball bearings:

The contact angle of thrust angular contact ball bearing is generally 60°. Commonly used thrust angular contact ball bearings are generally two-way thrust angular contact ball bearings, which are mainly used for precision machine tool spindles. They are generally used together with double row cylindrical roller bearings to withstand bidirectional shaft It has the advantages of high precision, good rigidity, low temperature rise, high speed, and convenient assembly and disassembly. The structure and performance characteristics of double row tapered roller bearings:

    There are many structures of double row tapered roller bearings, the largest type is 35000 type, which has a double raceway outer ring and two inner rings, and a spacer ring between the two inner rings, the clearance can be adjusted by changing the thickness of the spacer ring. This type of bearing can bear bidirectional axial load while bearing radial load, and can limit the axial displacement of the shaft and housing within the axial clearance range of the bearing. Structural features of tapered roller bearings:

The type code of the tapered roller bearing is 30000, and the tapered roller bearing is a separable bearing. In general, especially within the size range involved in GB/T307.1-94 "Rolling Bearings Radial Bearing Tolerances", the outer ring and inner components of tapered roller bearings are 100% interchangeable. The angle of the outer ring and the diameter of the outer raceway are standardized as the outer dimensions. Changes during design and manufacture are not allowed. So that the outer ring and inner assembly of the tapered roller bearing can be universally interchanged around the world.

    Tapered roller bearings are mainly used to bear combined radial and axial loads, mainly radial loads. Compared with angular contact ball bearings, it has larger load capacity and lower limit speed. Tapered roller bearings can withstand axial loads in one direction and limit axial displacement of the shaft or housing in one direction. Features of deep groove ball bearings:

Structurally, each ring of the deep groove ball bearing has a continuous groove type raceway with a cross section of about one-third of the equatorial circumference of the ball.

    Deep groove ball bearings are mainly used to bear radial loads, and can also bear certain axial loads.

    When the radial clearance of the bearing increases, it has the properties of an angular contact ball bearing and can bear alternating axial loads in two directions.

    Compared with other types of bearings with the same size, this type of bearing has a small friction coefficient, high limit speed, and high precision. It is the preferred bearing type for users when selecting models.

    Deep groove ball bearings are simple in structure and easy to use. They are the type of bearings with the largest production volume and the widest application range.