When the outer ring of the bearing needs a tight fit installation, at room temperature to install, you can install similar interference with the inner ring installation. If the interference is too large, at room temperature can not be installed, the bearings may be applied following the cold loading method or thermal loading method for installation installation also available cone method.
1) cold loading method
The bearings placed in a mixture of dry ice and alcohol (or gasoline), so that it is rapidly cooled rapidly to take advantage of its outer diameter in a contracted state into the main bracket hole. Ordinary bearing steel low temperature embrittlement tendency to avoid the temperature drops below-500C. Effect of this method to install, but the cost is high, it is only in the last resort.
2) hot charging method
Heating Block larvae LB grew up to facilitate installation of the bearing block, this method on the bearing of the light metal, such as aluminum alloy bearing is particularly applicable, but the costs are still too high, but necessary. For the complex shape of the bearing to prevent heating deformation and precision decline.
3) slant installation method
Large surplus large bearing outer ring too, in order to ease of installation, and the outer ring of the cylindrical bearing hole made with a small taper, installed by the two parties taper fitted with end caps control outside the amount of the advance of the lap, to the amount of interference is within a predetermined range, while the cap end face of the outer ring end face of the frictional resistance also helps secure the outer ring, to prevent its occurrence peristalsis. This installation method is particularly convenient for vertically mounted bearings.


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