Lubrication methods and characteristics of 6903 zz thin-walled bearings

The 6903 zz thin-walled bearing realizes the extremely thin bearing section, and also realizes the miniaturization and light weight of the product. The variety of products expands its scope of use.

In order to obtain the low friction torque, high rigidity and good rotation accuracy of 6903 zz thin-walled bearings, 6903 zz thin-walled bearings use steel balls with small outer diameters. The use of hollow shafts ensures light weight and space for wiring. The thin-walled bearing realizes the extremely thin bearing section, and also realizes the miniaturization and light weight of the product. The variety of products expands its scope of use.

Lubrication method of 6903 zz thin-walled imported bearings:

Bearing lubrication methods are divided into grease lubrication and oil lubrication. In order to make the bearing perform well, the 6903 zz thin-walled bearing must first choose a lubrication method suitable for the use conditions and purpose. If only lubrication is considered, the lubricity of oil lubrication is dominant. However, grease lubrication has the advantage of simplifying the structure around the bearing. The advantages and disadvantages of grease lubrication and oil lubrication are compared.

Lubrication purpose of 6903 zz thin-walled imported bearings:
The purpose of the lubrication of rolling bearings is to reduce internal friction and wear of the bearing, prevent burning, and its lubrication effect is as follows:

Reduce friction and wear
In the mutual contact part of the ring, rolling element and cage constituting the bearing, metal contact is prevented, and friction and wear are reduced.

The rolling fatigue life of prolonged fatigue life is prolonged if the rolling contact surface is lubricated well during rotation. On the contrary, the oil viscosity is low and the lubricating oil film thickness is not good, so it is shortened.

Discharge friction heat and cooling

The circulating oil method can use oil to dissipate heat generated by friction or heat transferred from the outside and cool. Prevent the bearing from overheating and prevent the lubricating oil from aging.

other

It also has the effect of preventing foreign matter from intruding into the bearing, or preventing rust and corrosion.

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