SKF bearing type and use selection

[1], size limit. Usually the space in which SKF bearings can be installed is limited. In most cases, the shaft diameter (or SKF bearing inner diameter) is limited by mechanical design or other design. Therefore, the choice of SKF bearing type and size is determined by the inner diameter of the SKF bearing. Thus, the main dimension tables of the scale SKF bearings are compiled according to the international standard inner diameter dimensions.

Scale SKF bearings are available in a variety of sizes. It is best to use SKF bearings in the design of mechanical devices. (This design is easy to purchase from SKF bearings. Here is a question, some models on the SKF bearing catalogue do have some, but Some non-standard SKF bearings are not in stock in mainland China. In some cases, the futures will be long. Therefore, in the SKF bearing selection, the time cost and the cost of the later replacement should be considered. The load of the SKF bearing, the load applied to the SKF bearing, Its nature, size and direction are changeable. Usually, the rated base load is shown on the dimension table. However, axial load and radial load are also important factors in selecting suitable SKF bearings. When the size of the ball and needle SKF bearing is commensurate, the needle roller SKF bearing usually has a high load capacity and withstands large vibration and shock loads.

[2], the speed, the allowable speed is determined according to the type, size, accuracy, cage type, load, lubrication method, and cooling method of the SKF bearing. The SKF bearing table lists the speed of the SKF bearing with the accuracy of oil lubrication and grease lubrication. Generally, deep groove ball bearings, self-aligning ball bearings, and cylindrical roller bearings are used in high-speed operation.

[three], SKF bearing tolerance, SKF bearing dimensional accuracy and rotation accuracy are based on ISO and JIS standards. For machines requiring high precision and high speed operation, it is recommended to use SKF bearings with 5 or more precision. Deep groove ball bearings, radial thrust ball SKF bearings or cylindrical roller SKF bearings are used for machines with high running accuracy. Rigidity, when the moving body and the raceway contact surface of the SKF bearing are pressed, elastic deformation occurs. Some machines need to minimize elastic deformation. The roller SKF bearing has a smaller elastic deformation than the ball SKF bearing.

[4] In some cases, SKF bearings are subjected to preload to increase rigidity. This procedure is usually used for deep groove ball SKF bearings, radial thrust ball bearings and tapered roller bearing inner and outer ring offsets, shaft bending, shaft or SKF bearing housing tolerance changes, mismatching will lead to eccentricity of the inner and outer rings. In order to prevent the eccentric angle from being too large, automatic self-aligning ball bearings, self-aligning roller bearings, or self-aligning bearing seats are preferred choices.å—“ Audio frequency and torque, dynamic missile SKF bearings are manufactured according to high-precision scale, so the sound and torque are small. Deep groove ball bearings and cylindrical roller bearings are used in combination for low noise and low torque.

[5], installation and disassembly, some applications need to be frequently disassembled and installed to ensure that they can be tested and repaired according to their location. SKF bearings such as cylindrical bearings, needle bearings, and tapered bearings that can be installed separately for the inner and outer rings are well suited for this application. The tapered self-aligning ball SKF bearing and self-aligning roller bearing also simplify the installation procedure with the help of the bushing.

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Tag: SKF bearing type and use options

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