The purpose of lubrication of TIMKEN bearings and its choice

The purpose of TIMKEN bearing lubrication is to reduce the internal friction and wear of TIMKEN bearings, to prevent sticking, and its lubricating effect is as follows.

1. Reduce friction and wear.

In the mutual contact part of the ferrule, body and retainer constituting the TIMKEN bearing, metal contact is prevented, and friction and wear are reduced.

2. Extend fatigue life.

The fatigue life of TIMKEN bearings is prolonged when the contact surface is well lubricated during rotation. Conversely, if the oil viscosity is low and the thickness of the lubricating oil film is not good, it is shortened.

3. Discharge friction heat, cooling

The circulation oil supply method or the like can be used to discharge heat generated by friction or heat from the outside to cool. Prevent TIMKEN bearings from overheating and prevent the lubricant from aging itself.

The lubrication method of TIMKEN bearings is divided into grease lubrication and oil lubrication. In order to make the TIMKEN bearing function well, first of all, it is necessary to select a lubrication method suitable for the conditions of use and purpose of use. Lubricity of oil lubrication predominates if only lubrication is considered.

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Check NTN bearing failures

Check whether the NTN bearing is irregular during operation, how to avoid various factors, NTN bearing must be thoroughly checked before running. Let me explain the relevant knowledge to you, I hope to help you. .

Question 1: What methods does NTN Bearing use to detect the occurrence of a fault?

Answer 1: NTN bearings use three methods to detect NTN bearing faults, as follows:

The first step, listening: Using hearing to identify irregular movements is a very common approach.

For example, sharp squeaking noise may be caused by improper lubrication, and improper NTN bearing clearance can cause metal sound. The indentations on the outer ring of the NTN bearing cause vibration and result in a smooth and crisp sound. If there are pollutants in the NTN bearing, it will often cause a noise. Severe damage to the NTN bearing can result in irregular and large noise.

The second step is to observe that if the NTN bearing is well lubricated and can ensure proper blocking of debris and moisture, it means that the oil seal should be free from wear.

The third step, touch: high temperature often indicates that the NTN bearing is in an abnormal state.

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