Estimate B10 bearing and pump life based on pressure, speed, and contamination level.
Input Parameters
Results
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B10 Life
hours
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B50 (Median) Life
hours
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Pressure Ratio
--
Life Factor
×
Note: B10 life = 90% of pumps survive this long. Cleanliness is the #1 factor in pump life. ISO 16/14/11 is recommended.
Reference
Pressure Ratio = P_rated / P_operating
Life Factor = (P_ratio)³ × Speed Ratio × Cleanliness Factor
B10 Life = Base Life × Life Factor
B50 ≈ 5 × B10 (median life)