How To Choose Imported Bearing Lubricating Oil

Lubricant is an essential condition for bearing operation, playing a crucial role in reducing bearing wear and extending bearing life. Imported bearings are lubricated using either grease or oil. Different imported bearings and different applications require different lubrication methods. Below, Demery Bearings shares the impact of choosing the right lubricant for imported bearings.

Lubrication significantly affects the fatigue life, friction, wear, temperature rise, and vibration of imported eccentric bearings. Without proper lubrication, eccentric bearings cannot function. Analysis of the causes of vibration eccentric bearing damage shows that approximately 40% of vibration bearing failures are related to poor lubrication.

Vibration eccentric bearing lubrication methods are divided into grease lubrication and oil lubrication. To ensure bearings perform optimally, it is essential to select a lubrication method suitable for the operating conditions and purpose. If only lubrication is considered, oil lubrication has the advantage. However, grease lubrication has the advantage of simplifying the structure around the bearing.

1. Grease Lubrication for Eccentric Bearings

Grease is a lubricant composed of base oil, thickener, and additives. When selecting grease, choose one that is perfectly suited to the operating conditions of the eccentric bearing. Different types of grease will have significantly different performance characteristics, so careful selection is essential.

2. Eccentric Bearing Oil Lubrication

Oil lubrication can be used when grease lubrication is unsuitable under high-speed, high-temperature conditions. The circulation of lubricating oil can remove a significant amount of heat and is also effective in reducing eccentric bearing vibration and noise.

3. Eccentric Bearing Grease Viscosity

Viscosity is a crucial characteristic of lubricating oil. The viscosity directly affects the fluidity of the lubricating oil and the thickness of the oil film formed between friction surfaces. The viscosity of lubricating oil at the operating temperature of vibrating eccentric bearings is generally 12-15 cSt. Lower viscosity oils should be selected for higher speeds, and higher viscosity oils should be selected for heavier loads. Commonly used lubricating oils include machine oil, high-speed machine oil, turbine oil, compressor oil, transformer oil, and cylinder oil.

Proper use of lubricating oil during the storage and operation of eccentric bearings can reduce bearing wear and extend their service life.