Tolerances of precision balls
Grade |
Ball diameter
|
Tolerance |
Gauge |
Gauge mean values
(deviation range)
|
Dw |
VDws |
tDw |
Ra |
VDwL |
interval |
over |
incl. |
max |
max |
max |
max |
I |
Unit > |
mm |
mm |
¦Ìm |
¦Ìm |
¦Ìm |
¦Ìm |
¦Ìm |
¦Ìm |
3 |
0 |
12.7 |
0.08 |
0.08 |
0.012 |
0.13 |
0.5 |
-5..-0.5 |
0 |
+0.5..+5 |
5 |
0 |
12.7 |
0.13 |
0.13 |
0.020 |
0.25 |
1 |
-5..-1 |
0 |
+1..+5 |
10 |
0 |
25.4 |
0.25 |
0.25 |
0.025 |
0.5 |
1 |
-9..-1 |
0 |
+1..+9 |
16 |
0 |
25.4 |
0.4 |
0.4 |
0.032 |
0.8 |
2 |
-10..-2 |
0 |
+2..+10 |
20 |
0 |
25.4 |
0.5 |
0.5 |
0.040 |
1 |
2 |
-10..-2 |
0 |
+2..+10 |
28 |
0 |
50.8 |
0.7 |
0.7 |
0.050 |
1.4 |
2 |
-12..-2 |
0 |
+2..+12 |
40 |
0 |
101.6 |
1 |
1 |
0.080 |
2 |
4 |
-16..-4 |
0 |
+4..+16 |
100 |
101.6 |
152.4 |
2.5 |
2.5 |
0.125 |
5 |
5 |
-20..-5 |
0 |
+5..+20 |
152.4 |
175 |
2.5 |
2.5 |
0.125 |
5 |
10 |
-40..-10 |
0 |
+10..+40 |
200 |
175 |
250 |
5 |
5 |
0.200 |
10 |
15 |
-60..-15 |
0 |
+15..+60 |
(ANSI/AFBMA Std.10, ISO 3290) |