Copyright Goodheart-Willcox Co., Inc. 597 Chapter 17 ∣ Final Drives Figure 17-45. Examples of true and false brinelling. A—Machining marks are visible in the indentations in true brinelling but not in the indentations of false brinelling. B—This bearing race has false brinelling Bearing race True brinelling A Bearing race False brinelling Grinding marks Grinding marks B Goodheart-Willcox Publisher Figure 17-46. The areas of brownish- red oxide on this bearing race indicate fretting corrosion. Goodheart-Willcox Publisher Goodheart-Willcox Publisher