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The maintenance cycle of bearings is not a fixed duration—it depends on multiple factors, including the bearing type, operating conditions, load levels, lubrication method, and equipment application scenarios. A "one-size-fits-all" timeline does not exist; instead, maintenance cycles are typically determined through condition monitoring and operating environment analysis. Below is a detailed breakdown of key influencing factors, general maintenance cycle guidelines, and core maintenance tasks.
While no fixed timeline applies to all, the following are industry-common reference intervals for bearings under normal operating conditions (moderate load, 20–40°C, low contamination, and proper initial lubrication):
| Equipment/Bearing Application | Maintenance Cycle (Primary Inspection) | Maintenance Cycle (Primary Inspection) |
| Household appliances (e.g., fans, washing machines) | 6–12 months | 12–24 months |
| Light industrial equipment (e.g., small electric motors, office printers) | 3–6 months | 6–12 months |
| Heavy industrial machinery (e.g., conveyors, pumps, compressors) | 1–3 months | 3–6 months |
| High-speed/high-load equipment (e.g., turbines, automotive engines) | 2–4 weeks | 3–6 months |
| Sealed bearings (e.g., in electric motors, roller skates) | 6–12 months | Usually none (replace bearing if lubricant fails) |
