Inner diameter and outer diameter of rolling bearings are manufactured according to the standard tolerance, bearing inner ring and shaft, tolerance of slewing bearing outer ring and the seat hole degree can only through tolerance and seat hole control shaft neck to achieve. With the agricultural bearings inner ring and shaft using the basic hole system, combined with the outer ring of the bearing seat hole of the shaft.
The correct choice of cooperation, must know the actual load conditions of bearing, the working temperature and other requirements, but in fact it is very difficult. Therefore, in most cases it is used according to the selection of fine grinding.
The size of load
The ring and the shaft or housing Double Row Ball Slewing Bearing between the win depends on the size of the load, heavy load by win larger, lighter load by winning the smaller amount. 
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