The bearings should be used with Notes

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thrust roller bearings - China Manufacturer

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1, the choice and control of the shaft and the bearing chamber tolerances: after bearing pressed into the bearing should be flexible rotation block sense. If the apparent rotation is not flexible, that the ax is size is too large, the tolerance to be lowered. Such as bearings pressed into the shaft is turned by hand "imperfections" in a sense, it may be the axis of the tolerance is too large or shaft roundness is not good. So also in the control of a good shaft and bearing room tolerance control roundness, many domestic manufacturers only on the tolerance control, no control of roundness.
2, the bearing assembly: Because the bearings are precision products, such as the improper assembly bearing channel it is easy to damage, leading to bearing damage. Bearings in the assembly should have a special mold, can not be beat, can only be pressed into the shaft, a small circle, force, pressure of the great circle only great circle force. Require the use of pneumatic or hydraulic assembly, press-fit upper and lower mold outside the state level, if inclined to cause damage to the bearing channel due to the force, leaving the bearings to produce the guide ring.angular contact ball bearings

3, the assembly of foreign bodies to prevent: bearing mounted to the rotor on the balancing is very easy to generate dynamic balance when iron filings into the bearing, so it is best to do balancing mounted bearings. Some manufacturers in order to facilitate assembly, the assembly in the bearing indoor coated with oil or grease lubrication effect, but often the operator is difficult to control, if the oil or grease in the bearing chamber accumulates more in the bearing rotation easily along the shaft into the bearing. Bearing chamber is preferably not coated with oil or grease, such as non-coated not will have to control not in bearing indoor accumulates.spindle bearing

Paint rust prevention: paint rust is characterized by multiple sealed type motor, the motor assembly, sound good, but put some time i n the warehouse, motor abnormal noise becomes large, remove the bearing the phenomenon of serious rust. The past, many manufacturers would be seen as bearing, motor factory has realized that through our continuous publicity, varnish. The main problem is because the insulating paint out of the volatile acid formation of corrosive substances in a certain temperature, humidity, corrosion of the bearing channel lead to bearing damage. The problem can only be selected good insulating paint, and assembly ventilation for some time after drying.ball screw bearing

Bearing life are closely related with the manufacture, assembly, use, and in every aspect of a good job, in order to make the bearing is in the best operating condition, thus extending bearing life.