Rolling bearing with the selection of the principle

1, the status of the bearing ring relative to the load relative to the load direction of rotation or swing ring, should choose the interference fit or transition fit. Relative to the load direction of the fixed ring should choose the gap fit. When the bearing is made of non-separable bearings, the ring should be fixed with respect to the direction of the load as a traveling ferrule, to choose the clearance fit or transition fit. 2, the type of load and size When the impact load or heavy load, the general should choose more than normal, light load more closely with. For the radial bearing load size with radial equivalent dynamic load Pr and radial dynamic load rating Cr divided, the greater the load with the larger interference. Load size Pr / Cr Light load is less than or equal to 0.07 Normal load is greater than 0.07 ~ 0.15 Heavy load is greater than 0.15 3, bearing size With the bearing size increases, the choice of the interference with the interference greater, the gap with the gap. 4, bearing clearance with interference fit will lead to the reduction of bearing clearance should be tested after the installation of bearing clearance to meet the requirements, so that the correct choice and bearing clearance. 5, other factors affect the shaft and bearing materials, strength and thermal conductivity; external and heat generated in the bearing thermal pathways and heat, supporting the installation and adjustment of performance and so affect the choice of cooperation.

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