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NSK Cylindrical Roller Bearing Are Used Correctly

There are dozens of bearings on the car are NSK bearings, large and small almost all of the common types of bearings, NSK cylindrical roller bearing and damage and damage is also more common. As NSK cylindrical roller bearing are generally installed inside the organization, so inconvenient visual inspection, can only be based on the fault phenomenon for the first to determine, and then disassemble the inspection.

NSK cylindrical roller bearing are used to reduce the bearing failure, to extend the bearing life of the reliable guarantee, which includes the correct installation and reasonable lubrication.

The following are introduced NSK cylindrical roller bearing the use of requirements and common faults, damage.

1. Bearing disassembly

The bearings should be cleaned before installation. Installation, should use a special tool will be flat evenly press the press, do not use the hand hammer percussion, in particular, prohibit direct impact on the bearing. When the bearing seat and seat hole with loose, it should repair the seat hole or replace the bearing, do not use the bearing with the surface of the pitting or pad copper mat method of ease of use. When the bearing is disassembled, use the appropriate puller to pull the bearing out. Do not use a chisel, a hammer, etc. to strike the bearing.

2. bearing lubrication

NSK cylindrical roller bearing commonly used lubricants are lubricants and grease two. When the axis of the peripheral speed is less than 4-5m / s, or the car can not use lubricating oil lubrication parts, are used grease lubrication. Grease lubrication has the advantage of simple sealing structure, grease is not easy to lose, little affected by the temperature, plus a grease can be used for a long time.

Use grease to pay attention to two issues, one is to follow the instructions of the car, choose the right grades of grease. For example, the car pump bearings should not use Naji grease, because of its poor water resistance. Second, the grease in the bearing to be appropriate, generally only fill the bearing cavity 1/2-l / 3 is appropriate, too much not only useless, but also increase the bearing running resistance, so that heating up. In particular, pay attention to the car wheel bearings, to promote the "empty hub lubrication", that is, only a layer of grease on the bearing can be coated, otherwise, not only waste and poor heat, but also make the grease heat spill, may affect Brake performance.

Lubricant lubrication has the advantage of small friction resistance, and can heat, mainly for high-speed and high temperature working environment bearings. Lubricant grades should be selected according to the requirements of the car manual, and then replace the car maintenance cycle in a timely manner, after the release of old oil to the organization after the cleaning and then add new oil, refueling should be added to the provisions of the marking, or flush with the fuel (Depending on the specific structure of the car, the request may be), not more.

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