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Generally, the space where IKO imported bearings can be installed is limited. In most cases, the shaft diameter (or bearing inner diameter) is limited by mechanical design or other design. Therefore, the selection of bearing type and size is determined according to the inner diameter of IKO imported bearing. Therefore, the main dimension tables of standard bearings are prepared according to the international standard inner diameter dimensions. Standard IKO imported bearings have various sizes and forms, and standard bearings are used in mechanical device design This is designed to make bearings easy to purchase. Here’s a digression.
Some IKO imported bearing catalog models do have some, but some non-standard bearings are not available in Chinese mainland, and sometimes futures will be very long time. So when bearing selection, we should consider the cost of time and the cost of later replacement. The nature, size and direction of the load of the bearing and the load applied to the bearing are variable. Generally, the rated basic load is shown in the size table. However, axial load and radial load are also important factors for selecting suitable IKO imported bearings. When the sizes of ball and needle roller bearings are the same, needle roller bearings usually have high load capacity and bear large vibration and vibration Impact load.
The allowable speed is determined according to the type, size, accuracy, cage type, load, lubrication mode, cooling mode and other factors of IKO imported bearings. The table of IKO imported bearings lists the allowable speed of standard precision bearings under oil lubrication and grease lubrication. Generally, deep groove ball bearings, self-aligning ball bearings and cylindrical roller bearings are suitable for high-speed operation.
The dimensional accuracy and rotation accuracy of IKO imported bearings are based on ISO and JIS standards. For machines requiring high precision and high-speed operation, it is recommended to use bearings with precision of grade 5 or above. Deep groove ball bearings, centripetal thrust ball bearings or cylindrical roller bearings are suitable for machines with high operation precision. Rigid, elastic deformation will occur when the contact surface of the rolling element and raceway of IKO imported bearing is compressed. Some machines need to minimize elastic deformation. Roller bearings produce less elastic deformation than ball bearings. In addition, in some cases, the IKO inlet bearing shall be preloaded to increase the rigidity. This procedure is usually used for deep groove ball bearings, centripetal thrust ball bearings and tapered roller bearings. Inner and outer ring offset, shaft bending, tolerance change of shaft or IKO imported bearing housing, and matching error will lead to inner and outer ring eccentricity.
In order to prevent excessive eccentric angle, self-aligning ball bearing, self-aligning roller bearing, or self-aligning bearing seat are better choices. Voice frequency and torque, rolling bearings are manufactured according to high-precision standards, so voice and torque are small. Deep groove ball bearings and cylindrical roller bearings are suitable for occasions with special requirements for low noise and low torque. Installation and disassembly. Some applications require frequent disassembly and installation to ensure regular inspection and maintenance. IKO imported bearings with separate inner and outer rings, such as cylindrical bearings, needle roller bearings and conical bearings, are very suitable for this occasion. With the help of the shaft sleeve, the installation procedure of the taper hole self-aligning ball bearing and self-aligning roller bearing is also simplified.