General Log-Linear Weibull Model Combining Vibration and Temperature Characteristics for Remaining Useful Life Prediction of Rolling Element Bearings

Table 1

Observed time to failure information for bearings (in seconds).

Bearings under different operation conditions (OC)
OC1: speed = 1800 rpm	OC2: speed = 1650 rpm	OC3: speed = 1500 rpm
Load = 4000 N	Load = 4200 N	Load = 5000 N
1-1 (28030)	2-1 (9110)	3-1 (5150)
1-2 (8710)	2-2 (7970)	3-2 (16370)
1-3 (23750)	2-3 (19550)	3-3 (4040)
1-4 (14280)	2-4 (7510)
1-5 (24630)	2-5 (23110)
1-6 (24480)	2-6 (7010)
1-7 (22590)	2-7 (2300)