koyo bearing inner ring and the shaft is a tight fit to the outer shell loose with the available press bearing the first press-fit in the double row angular contact ball bearings, then the axis together with the bearing into the housing, the pressureinstalled in the bearing end face of the pad assembly casing of a soft metal material (copper or mild steel pipes). Assembly casing diameter should be slightly larger than the journal diameter, outer diameter should be less than the diameter of the bearing bore diameter of the ribs, so as to avoid pressure in the cage. A large number of bearing installation can add a handle on the casing.

Where the lack of or inability to use presses, you can use the assembly casing and small hammer to install a double row angular contact ball bearings. Impact force should be evenly spread to the entire circumference of the bearing ring seal on the end of the hammer assembly casing should be made ??spherical. Installation koyo bearing need to force the bearing size and with the amount of interference related to the size, the amount of interference in large bearings commonly used in hot charging method. Koyo bearings or bearing rings detachable hot charging into the tank or a dedicated heater evenly heated to 80 to 100 ° C (should not exceed 100 ° C).

Direct contact with the bearing, double row angular contact ball bearings shaft diameter to prevent the occurrence of adhesion and the formation of the boundary lubrication performance. Compatibility of materials of the impact of Friction factors are:
 
(1) as vice Materials and Metallurgy, constitute the degree of difficulty of the alloy.
 
(2) the affinity and capacity of the materials and lubricants.
 
(3) into a pair materials state without lubrication, the friction factor.
 
(4) The microstructure of the material.
 
(5) the thermal conductivity.
 
(6) the size of the surface oxide film characteristics.



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