March 28, 2024

Structural performance characteristics of five commonly used bearings

Structure and performance characteristics of thrust tapered roller bearings: Since the rolling elements in thrust tapered roller bearings are tapered rollers, the rolling busbars of the rolling busbars and the washers are connected to a certain point on the axial center of the bearing. Therefore, the rolling surface can form a pure rolling, and the limit rotation speed is higher than that of the thrust cylindrical roller bearing.

Thrust tapered roller bearings can withstand axial loads in one direction.

Types of thrust tapered roller bearings are model number 90000.

Due to the small production volume of thrust tapered roller bearings, the models produced by various factories are mostly non-standard external dimensions, while the series of standard external dimensions are produced less. Therefore, there is no national standard for the size of such bearings. Structure and performance characteristics of thrust angular contact ball bearings:

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

Double row tapered roller bearings have many structures. The largest quantity is 35000 type. There is a double raceway outer ring and two inner rings. There is a spacer between the two inner rings. The thickness of the spacer can be changed to adjust the clearance. These bearings can withstand radial loads while being able to withstand biaxial axial loads, limiting axial displacement of the shaft and housing over the axial clearance of the bearing. Structural features of tapered roller bearings:

The type of tapered roller bearing is 30,000, and the tapered roller bearing is a separate bearing. Under normal circumstances, especially in the size range of GB/T307.1-94 "Rolling bearing radial bearing tolerance", the tapered roller bearing outer ring and the inner component are 100% interchangeably usable. The angle of the outer ring and the outer race diameter have been standardized as the outer dimensions. Changes are not allowed at the time of design and manufacture. So that the outer ring of the tapered roller bearing and the inner component can be universally interchanged worldwide.

Tapered roller bearings are mainly used to withstand radial and axial combined loads based on radial loads. Compared with angular contact ball bearings, the bearing capacity is large and the limit speed is low. Tapered roller bearings are capable of withstanding axial loads in one direction and can limit axial displacement in one direction of the shaft or housing.

Deep groove ball bearing features:

Each ferrule of the structure deep groove ball bearing has a continuous grooved raceway having a cross-section of approximately one-third of the circumference of the equatorial circumference of the ball.

Deep groove ball bearings are mainly used to withstand radial loads and also withstand certain axial loads.

When the radial clearance of the bearing is increased, it has the property of an angular contact ball bearing and can withstand the axial load alternating in two directions.

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

The deep groove ball bearing has a simple structure and is easy to use, and is a type of bearing with the largest production batch and the widest application range.

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