GRADES, TOLERANCES & SPECIFICATIONS
TOLERANCES BY GRADE FOR BALLS (MICRO-INCHES)
|
Grade |
Allowable Lot Diameter Variation |
Allowable Ball Gage Deviation |
Allowable Deviation From Spherical Form |
Maximum Surface Roughness (Ra) |
Basic Ordering Increment |
|
|
Low |
High |
|||||
|
3 |
5 |
-30 |
+30 |
3 |
0.5 |
50 |
|
5 |
10 |
-40 |
+50 |
5 |
0.8 |
100 |
|
10 |
20 |
-40 |
+50 |
10 |
1.0 |
100 |
|
16 |
32 |
-40 |
+50 |
16 |
1.0 |
100 |
|
24 |
48 |
-100 |
+100 |
24 |
2.0 |
100 |
Metric sizes and tolerances are available by special order.

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