Technical Topic Guide to Electric Motor Bearing Lubrication

of grease in housing, size and speed of bearing, vibration, exposure to contaminants, effectiveness of seals, and the grease’s suitability for the particular service. 1. High grease temperatures increase the oxidation rate, doubling it for every 18°F (10°C) rise above 120°F (49°C). High temperature also tends to increase the rate of

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