Nachi bearing in high speed rotating, especially close to or more than size recorded in the list of limit rotational speed, the main should pay attention to the following items:

(1) Using precision nachi bearing

(2) Analysis nachi bearing internal clearance (considering the temperature rise nachi bearing, internal clearance decrease)

(3) Analysis the material retainer type (for high speed rotating, suitable to adopt copper alloy or phenol resin system cut retainer. In addition also has used in high speed rotating synthetic resin molding retainer)
(4) Analysis lubrication (the lubrication method used for high speed rotating circulation, oil mist lubrication and lubrication oil and gas lubrication).
 



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