中华人民共和国国家标准 GB/T307.1-94
Appwndix 1 Table 1 Inner Ring Of Grade Tolerance
d mm |
△dmp |
Vdp 2) |
Vdmp |
Kia |
△Bs |
VBS |
| Diameter series |
| 9 |
0,1 |
2,3,4 |
全部 |
正常 |
修正 3） |
| over |
incl. |
high |
low |
max. |
max. |
max. |
high |
low |
max. |
| 0.6 1) |
2.5 |
0 |
-8 |
10 |
8 |
6 |
6 |
10 |
0 |
-40 |
- |
12 |
| 2.5 |
10 |
0 |
-8 |
10 |
8 |
6 |
6 |
10 |
0 |
-120 |
-250 |
15 |
| 10 |
18 |
0 |
-8 |
10 |
8 |
6 |
6 |
10 |
0 |
-120 |
-250 |
20 |
| 18 |
30 |
0 |
-10 |
13 |
10 |
8 |
8 |
13 |
0 |
-120 |
-250 |
20 |
| 30 |
50 |
0 |
-12 |
15 |
12 |
9 |
9 |
15 |
0 |
-120 |
-250 |
20 |
| 50 |
80 |
0 |
-15 |
19 |
19 |
11 |
11 |
20 |
0 |
-150 |
-380 |
25 |
Note:1)Including 0.6
2)Diameter series 7and8 ,no regular cost.
3)Ineicating the single internal ring of the bearing to be used in pair or group during installation.
Table 2 Out Ring Of Grade Tolerance
D mm |
△Dmp |
VDP 2) |
VDMP 4) |
Kea |
△Cs △Cis 5) |
Vcs Vcis 5) |
| Open Bearings |
Capped Bearings 3) |
| Diameter series |
| 9 |
0,1 |
2,3,4 |
2,3,4 |
| over |
incl. |
high |
low |
max. |
max. |
max. |
high |
low |
max. |
| 2.5 1) |
6 |
0 |
-8 |
10 |
8 |
6 |
10 |
6 |
15 |
Identical to △Bs and VBs of inner ring of same bearing |
| 6 |
18 |
0 |
-8 |
10 |
8 |
6 |
10 |
6 |
15 |
| 18 |
30 |
0 |
-9 |
12 |
9 |
7 |
12 |
7 |
15 |
| 30 |
50 |
0 |
-11 |
14 |
11 |
8 |
16 |
8 |
20 |
| 50 |
80 |
0 |
-13 |
16 |
13 |
10 |
20 |
10 |
25 |
| 80 |
120 |
0 |
-15 |
19 |
19 |
11 |
26 |
11 |
35 |
Note:1)Including2.5.
2)Diameter series 7 and 8 no regular cost.
3)Diameter series 9.0and 1,no regular cost
4)Suitable for inside and outside brake ring before installation or after discharge.
5)Only suitable for groove type ball bearing.
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