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Scratches and scuffs-0.040 inch (1,016 mm) 0.080 inch (2,032 mm) 0.120 inch (3,048 mm) Inner and Outer Races
Surface slag None acceptable None acceptable None acceptable inclusions
Galling  Not Applicable Not Applicable Not Applicable
* All defects are acceptable unless felt with the designated stylus or are greater in dimension than the maximum size allowable.
Inspection
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Table 305.  Inspection Criteria for Acceptance of Bearing Component (Rings and Rolling Elements) Defects*
Description of Defect  Non-Functional Surfaces  Maximum Defect Size Allowable 
Rolling Element Diameter up to 0.500 inch (12,7 mm) over 0.500 inch (12,7 mm) but less than 1.00 inch over 1.00 inch (25,4 mm) 
Scratches scuffs-Balls  Not Applicable  Maximum depth of 0.002 inch (0,0508 mm) Maximum depth of 0.002 inch (0,0508 mm) Max. depth 0.002 inch (0,0508 mm) 
Scratches and  Acceptable - 0.500 inch (12,7 mm) maximum - circumferential length on 
scuffs-Inner and  raised metal must  raceway, or one half width of raceway, or 0.002 inch 
Outer Races  be stoned flush with surface.  (0,0508 mm) maximum depth 
Surface slag inclusions  0.125 inch (3,175 mm) greatest dimension and does not extend onto a functional surface.  None acceptable None acceptable None acceptable 
Galling  Rejectable if felt with a 0.160 inch (4,064 mm) stylus.  None acceptable None acceptable None acceptable 

* All defects are acceptable unless felt with the designated stylus or are greater in dimension than the maximum size allowable.
Inspection
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Bearing Roller Functional Surface
Figure 301

Inspection
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True Brinelling
Figure 302

Inspection
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False Brinelling
Figure 303

Inspection
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Bearing Corrosion
Figure 304

Inspection

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Fretting Corrosion
Figure 305

Inspection
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Bearing Skidding Damage
Figure 306

Inspection

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Roller Skidding
Figure 307

Inspection

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Spalling
Figure 308

Inspection

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Roller End Pattern
Figure 309

Inspection
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Eccentric Roller End Pattern - Reject
Figure 310

Inspection

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Excessive Pitting Pattern - Reject
Figure 311

Inspection

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Excessive Scuffing Pattern - Reject
Figure 312

Inspection

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(7) Dimensionally check bearings in accordance with the following guidelines:
(a)
Dimensions shall be measured in accordance with AFBMA Standards, Section 4, Ball and Roller Bearing Standard Gaging Practices (AntiFriction Bearing Mfg.  Association, Suite 700, 1101 Connecticut Avenue N.W., Washington, D.C. 20036).

(b)
Dimensions must meet the requirements in applicable manual for the engine and bearing in question except when specific deviations are allowed in this publication.
　
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