Grey Relation Evaluation and Truth Value Fusion of Rolling Bearing Multisource Residual Stress

Table 5

Calculation results for the residual stress parameters of the large end faces of bearing inner rings.

Sample number	Mean value (MPa)	Uncertainty (MPa)	Grey confidence level (%)
1	−887	309.7	90.025
2	−709	115.4	100 (intrinsic sequence)
3	−768	237.2	89.175
4	−1021	368.5	86.5
5	−1051	199.7	96.85