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Analysis of TIMKEN Bearing Damage

Writer: Eric Bearing Limited

Long-term use of TIMKEN bearings will inevitably cause some problems. When using bearings, attention should be paid to the inspection and maintenance of the bearings. Bearing problems should be dealt with immediately to avoid delaying normal work.

There are two common problems in TIMKEN bearings: bearing running noise and bearing equipment temperature is too high. Imported bearings have good working noise during operation. If the noise is too high or abnormal or impact noise, the bearing has shortcomings. The common shortcoming of the correct use of bearings and imported bearings is the complex cause of noise. First, the mating surfaces of the inner and outer rings of the bearing wear. Due to this wear, the bearings and housing, bearing and shaft joints are damaged, and the high-speed movement of the shaft deviates from the correct direction, resulting in abnormal noise. When the bearing is fatigued, the metal on its surface falls off, and the radial clearance of the bearing increases abnormally. Otherwise, insufficient lubrication of TIMKEN bearings will cause abnormal movements such as dry friction and bearing breakage. After the bearing is worn and loose, the cage will be damaged and loose and will also produce abnormal noise.

When the bearing temperature is too high in the running arrangement,the bearing part of the equipment is allowed to have a certain temperature. When touching the housing by hand, the joint should not feel normal, otherwise it should indicate that the bearing temperature is too high. The reason for the high bearing temperature: the quality of the lubricant does not meet the requirements or deterioration, the viscosity of the lubricant is too high, the equipment layout is too tight, the bearing equipment is too tight, and the bearing seat ring changes on the shaft or housing. The bearing seat ring changes on the shaft or shell, and the TIMKEN bearing seat ring changes on the shaft or shell. Bearing overload, bearing cage or roller breakage, etc.   TIMKEN 22207 EJW33  bearings online , pls click here : 

If the bearing is damaged due to disassembly inspection,the problem and cause of the damage can be judged according to the damage of the bearing. The imported bearing raceway and roller body are tempered. Burns are usually caused by insufficient lubrication, unqualified or deteriorated lubricants, and excessive bearing equipment. The crack of the bearing seat ring may be caused by the tight fit of the TIMKEN bearing, the loosening of the inner and outer rings, the deformation of the bearing seat, and the uneven processing of the bearing surface of the equipment.

Cage breakage is caused by lack of lubrication,roller breakage,seat ring skew,etc. Severe wear of the seat race may be caused by foreign objects falling into the seat ring, insufficient lubricant, or an improper lubricant trademark. The uneven contact surface between the plastic deformed bearing raceway and the roller indicates that the imported bearing has undergone plastic deformation. The reason is that under a large static load or impact load, part of the stress on the working surface exceeds the yield limit of the material, which usually occurs on TIMKEN bearings with lower speeds.

Judgment during cleaning inspection of TIMKEN bearings

TIMKEN bearing seat and sealing plan and slippery rules are the crux of the application of the roller press. Here, we help you judge bearing equipment, slippery and maintenance methods, and methods necessary to control unplanned downtime and keep the roller press more productive.

Exposure to heavy loads, striking loads, oscillations, and other premises will lead to a series of shafting errors in mining and cement equipment. The self-aligning bearing system supplies a variety of proven solutions to a series of mine and factory equipment.

In the traditional solid-end and floating-end bearing equipment, TIMKEN bearings are commonly used in these two parts. Although this type of equipment can compensate for shaft errors, it does not allow sufficient axial movement. In order to allow sufficient axial movement, non-locating bearings must be able to move with the shaft without igniting beneficial external axial loads. Toroidal roller bearings supply this axial movement.

A toroidal roller bearing that brings together the strengths of TIMKEN bearings, cylindrical and needle bearings. The rollers in the toroidal roller bearings are not affected by the movement of the shaft and can always find a good position to carry the load.

When inspecting the disassembled imported bearings, first record the bearing surface, confirm the lubricant residue, and clean the imported bearings after sampling. Detergents are widely used in gasoline and kerosene.

Imported cleaning is divided into rough washing and rough washing. The metal mesh is first placed in the container to prevent TIMKEN bearings from indirectly treating the dirt in the container. If the bearing is deformed by dirt during the rough cleaning process, it will damage the rotating surface of the intake bearing and should be paid attention to. In crude oil, brush grease and adhesives. After cleaning, the cleaning effect is good.

Fine cleaning is to rotate the imported bearing in the cleaning oil and carefully clean it. In addition, the washing oil should be changed frequently to keep it clean.

In order to determine whether the disassembled can last longer, consider the raceway surface, rotating surface and common surface conditions, rod frame wear environment, TIMKEN bearing clearance increase and reduce damage to the bearing. Dimensional accuracy after washing. Inseparable small ball bearings, etc., then check the outer ring with the inner ring with one hand.