NTN bearing heating can improve its wear resistance

Source: China Bearing Network Time: 2014-07-28

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When installing the bearing; oil bath heating method can be used; when the NTN bearing is disassembled; the heating method of hot oil pouring can be used.
When heating the NTN bearing with an oil bath; use a thermometer to control the oil temperature; avoid overheating; together, place the bearing on the mesh or bracket 50-70 mm from the bottom of the box; do not touch the bottom of the box directly; to avoid partial temperature of the NTN bearing The rise is too high and is affected by dirt in the oil.
NTN bearing anti-wear extreme pressure additives can usually be divided into two major categories: oily agents and anti-wear extreme pressure agents:
Oily additive: NTN bearing oil additive is a physical adsorption film formed on the metal surface; to improve the collision function of the metal touch surface; enhance the smooth effect. Common oil additives are: animal and vegetable oils, high-grade fatty acids, esters, alcohols and other metal soaps.
Anti-wear extreme pressure agent: NTN bearing anti-wear extreme pressure agent is mostly chemically active organic compound; this kind of compound does not have smooth effect at normal temperature; and under high temperature and high pressure, it can naturally produce finer chemical film on metal surface. This film is usually lower than the melting point of the original metal material; shear strength. Benzene granules are ridiculous.

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