|
VDws
|
Sph
|
Ra
|
||
|
Grade
|
Maximum Diameter
mm |
Ball Dia. Variation
μm |
Deviation From Spherical Form
μm |
Surface Roughness
μm |
|
3
|
12
|
0.08
|
0.08
|
0.012
|
|
5
|
12
|
0.13
|
0.13
|
0.02
|
|
10
|
25
|
0.25
|
0.25
|
0.025
|
|
16
|
25
|
0.4
|
0.4
|
0.032
|
|
20
|
38
|
0.5
|
0.5
|
0.04
|
|
28
|
38
|
0.7
|
0.7
|
0.05
|
|
40
|
50
|
1
|
1
|
0.08
|
|
100
|
all
|
2.5
|
2.5
|
0.125
|
|
200
|
all
|
5
|
5
|
0.2
|
|
Grade
|
VDwL
Lot Dia. Variation μm |
Gauge
Interval μm |
Preferred Gauge
μm |
Subgauge
Interval μm |
Subgauge
μm |
|
3
|
0.13
|
0.5
|
-5,-4.5,…,1,-0.5,0,+0.5,+1,…,+4.5,+5
|
0.1
|
-0.2,-0.1,0,+0.1,+0.2
|
|
5
|
0.25
|
-8,-7,…,-2,-1,0,+1,+2,…,+7,+8
|
|||
|
1
|
0.2
|
-0.4,-0.2,0,+0.2,+0.4
|
|||
|
10
|
0.5
|
-10,-9,…,-2,-1,0,+1,+2,…,+9,+10
|
|||
|
16
|
0.8
|
||||
|
20
|
1
|
2
|
-16,-14,…,-4,-2,0,+2,+4,…,+14,+16
|
0.4
|
-0.8,-0.4,0,+0.4,+0.8
|
|
28
|
1.4
|
||||
|
40
|
2
|
4
|
-20,-16,…,-8,-4,0,+4,+8,…,+16,+20
|
0.8
|
-1.6,-0.8,0,+0.8,+1.6
|
|
100
|
5
|
10
|
-40,-10,…,0,+10,…,+40
|
2
|
-4,-2,0,+2,+4
|
|
200
|
10
|
15
|
-60,-15,…,0,+15,…,+60
|
3
|
-6,-3,0,+3,+6
|