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 DSP
Precision Products Pvt. Ltd. |
Manufacturer
& Exporter of Precision Balls & Allied Products |
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ISO
3290 - STANDARD GRADES & TOLERANCES ( INDIAN.
STANDARDS ) |
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ISO-
3290
GRADE
|
BASIC
DIA
TOLERANCE
|
LOT
VARI ATION
|
ALLOW
ABLE GAUGE INTERVAL
|
SUB
GAUGE
|
SUB
GAUGE INTERVAL
|
BALL-DIA
VARIA TION
|
DEVIATION
FROM
SPHERICAL FORM
|
SURFACE
ROUGH NESS
|
3 |
+
5 |
0.13 |
0.500 |
0.2 |
0.1 |
0.08 |
0.080 |
0.012 |
5 |
+
5 |
0.25 |
1.000 |
0.4 |
0.2 |
0.13 |
0.130 |
0.020 |
10 |
+
9 |
0.50 |
1.000 |
0.4 |
0.2 |
0.25 |
0.250 |
0.025 |
16 |
+10
|
0.80 |
2.000 |
0.8 |
0.4 |
0.40 |
0.400 |
0.032 |
20 |
+10
|
1.00 |
2.000
|
0.8 |
0.4 |
0.50 |
0.500 |
0.040
|
28 |
+12 |
1.40 |
2.000 |
0.8 |
0.4 |
0.70 |
0.700 |
0.050 |
40 |
+16 |
2.00 |
4.000 |
1.6 |
0.8 |
1.00 |
1.000 |
0.080 |
100 |
+40 |
5.00 |
10.000 |
4.0 |
2.0 |
2.50 |
2.500 |
0.125 |
200 |
+60 |
10.00 |
15.000 |
6.0 |
3.0 |
5.00 |
5.000 |
0.200 |
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