Sparsity-Oriented Nonconvex Nonseparable Regularization for Rolling Bearing Compound Fault under Noisy Environment

Table 1

Manufacturer specific information about bearing.

Criterion	Parameters
Bearing type	Ball bearing 6203 (KB23)
Diameter of inner raceway	24.0 mm
Diameter of outer raceway	33.1 mm
Pitch circle diameter	28.55 mm
Number of rolling elements	8 pc
Rolling element diameter	6.75 mm
Length of rolling element	6.75 mm
Nominal pressure angle	0°N
Static load rating	3800 N
Dynamic load rating	3800 N
Speed limit	12000 rpm
Number of load cycles	2769500
Lifetime	15:01 h:min
Damage method	Acc. lifetime test
Sampling rate	64 kHz