Bearing & Gearbox Library Fault Frequencies & Modelling
Bearing & Gearbox Library
Mars V7.1 bearing fault frequency calculations, gearbox modelling, and condition monitoring configuration
Bearing Fault Frequency Calculator
Select bearing geometry, enter shaft RPM, and calculate characteristic fault frequencies for vibration diagnostics.
Bearing Database
Current library includes 150+ bearing models from major manufacturers with complete geometry specifications.
SKF: 32 models
FAG: 28 models
NSK: 24 models
Timken: 22 models
NTN: 20 models
Koyo: 18 models
RHP: 16 models
Torrington: 14 models
NDH: 12 models
FAF: 10 models
Parallel Gearbox Configuration
Configure multiple gear stages to calculate mesh frequencies and output speed ratios.
Start/Stop Detection Configuration
Configure equipment start and stop detection thresholds and transient capture settings.
Recent Start/Stop Events (Last 30 Days)
Total Starts
248
events
Avg Run Duration
4.2
hours
Total Runtime
92.5
%
Start/Stop Cycles
62
cycles
Event Timeline
2026-04-17 14:32
START Equipment started at 2,845 RPM
2026-04-17 13:15
STOP Equipment stopped after 5h 47m run
2026-04-17 07:28
START Equipment started at 2,850 RPM
2026-04-16 23:42
STOP Equipment stopped after 4h 12m run
2026-04-16 19:30
START Equipment started at 2,840 RPM
Demodulation Bands Configuration
Define frequency bands for bearing and gearbox envelope analysis.
Standard Bands
Bearing Envelope:
–
Hz
Gear Envelope:
–
Hz
Custom Band
Custom:
–
Hz