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Classification of lifespan: fatigue life, wear life, illness life, life expectancy. /*250*250 was created on 2017/12/25*/ var cpro_id = 'u3171089';
Weary life: the raw material of the primary moving parts of the bearing reaches the limit; the cumulative time before the bearing fails.
Additional dynamic load: the life is 10,000 rpm; the bearing can accept the load.
Equivalent dynamic load: refers to the assumed load of the bearing's practical load converted according to the working conditions of the dynamic load.
Wear life: the bearing is due to normal wear; the accumulated working time before the rule is increased to the limit of the rule. At today's bearing industry level; the wear life should be > fatigue life; but in practice the traction motor is the opposite.
The number of illnesses: the problem of bearing problems; the accumulated working hours before the loss of working ability.
Lifespan: It is the general reference of the above three kinds of lifespan; in theory, it refers to the fatigue life of the bearing; in normal operating conditions, it shows the bearing wear life; when the conditions are not normal; when there are no shortcomings in the production; The number of illnesses.
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Source: China Bearing Network Time: 2017-12-08