» Grease life in lubricated-for-life deep groove ball
2004-5-26 · In a sealed deep groove ball bearing operating at n x d m =300,000 and 55°C, a grease with GPF=1 is the best solution, giving L 10 =30,000 hours. For GPF=2 the estimated life is the same, whereas a grease with GPF=4 is not recommended, due to a shorter life.
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