(a)
(b)
(c)
(d)
(e)
(f)
(g)
(h)
(i)

Figure 3: Time domain waveforms of signals with different faults: (a) inner race 0.007 inches, (b) inner race 0.014 inches, (c) inner race 0.021 inches, (d) ball 0.007 inches, (e) ball 0.014 inches, (f) ball 0.021 inches, (g) outer race 0.007 inches, (h) outer race 0.014 inches, (i) outer race 0.021 inches.