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Table 2 Parameters of bearing and gearbox

From: Generalized Demodulation Transform for Bearing Fault Diagnosis Under Nonstationary Conditions and Gear Noise Interferences

Parameter Value
Bearing type ER-10k
Rolling element diameter d (mm) 7.94
Pitch diameter D (mm) 33.5
Number of rolling elements nb 8
Contact angle α 0
FCC of the outer race Fo 3.052
FCC of the inner race Fi 4.95
FCC of the rolling element Fb 1.99
Number of pinion teeth zg 18
Transmission ratio of belts ib 2.56
Transmission ratio of gear box ig 1.5
Serial number of the IDMM cd 3