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First, the temperature: /*250*250 was created on 2017/12/25*/ var cpro_id = 'u3171089';
When the temperature is lowered, the smooth oil will become thicker. When the temperature rises, it will become thinner. Therefore, a low-viscosity smooth oil is required under low temperature conditions, and at high temperature, heavy oil is required to avoid between the NSK bearing and the bearing body. Dry conflict.
Second, the faster the speed bearing slides and transforms; the less time for the smoothing agent to be squeezed into the NSK bearing between Qingdao. The smooth oil is more likely to agglomerate and thicken under high-speed operation. Therefore: high viscosity at low speed (heavy oil); High-speed low-viscosity oil (thin oil).
Third, the load (pressure):
High-viscosity oil is more resistant to heavy load than thin oil and avoids bumping between NSK bearing and bearing body. Therefore: light load requires low viscosity smooth oil; high load requires high viscosity smooth oil.
Fourth, hit the load:
For example, the engine power announced by the engine; this requires a thicker oil to prevent the oil film from breaking and the gap is smooth; because only a small amount of smooth oil can be left. In this case; Squeezing oil for pressure additive (EP).
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NSK bearing smoothing four elements to pay attention to - Qingdao Axis
Source: China Bearing Network Time: 2014-10-01