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产品
特征及说明 |
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精度
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轴承精度按中国国家标准GB/T307。1-94分为P2、P4、P5、P6和P0级,这些精度等级与GB307-84及ISO等标准比较如下表
| Standard |
Accuracy
class |
| GB307-84 |
B |
C |
D |
E |
G |
| GB/T307.1-94 |
P2 |
P4 |
P5 |
P6 |
P0 |
| ISO |
2 |
4 |
5 |
6 |
0 |
| ANSI |
ABEC9 |
ABEC7 |
ABEC5 |
ABEC3 |
ABEC1 |
| SKF |
P2 |
P4 |
P5 |
P6 |
P0 |
“壮大”轴承主要为P5级。其公差见附表所示
向心轴承公差--内圈 |
| Accuracy
class
|
dmm
|
Δdmp |
Vdp |
Vdmp
|
Kia |
Sia |
Sd |
ΔBs |
Δ
VBs |
| Diameter
series |
| 9 |
0.1 |
2.3.4. |
| From |
To |
Upper
deviation |
Lower
deviation |
max |
max |
max |
max |
max |
Upper
deviation |
Lower
deviation |
max |
| PO |
2.5 |
10 |
0 |
-8 |
10 |
8 |
6 |
6 |
10 |
|
|
0 |
-120 |
15 |
| 10 |
18 |
0 |
-8 |
10 |
8 |
6 |
6 |
10 |
|
|
0 |
-120 |
20 |
| 18 |
30 |
0 |
-10 |
13 |
10 |
8 |
8 |
13 |
|
|
0 |
-120 |
20 |
| 30 |
50 |
0 |
-12 |
15 |
12 |
9 |
9 |
15 |
|
|
0 |
-120 |
20 |
| 50 |
80 |
0 |
-15 |
19 |
19 |
11 |
11 |
20 |
|
|
0 |
-150 |
25 |
| P6 |
2.5 |
10 |
0 |
-7 |
9 |
7 |
5 |
5 |
6 |
|
|
0 |
-120 |
15 |
| 10 |
18 |
0 |
-7 |
9 |
7 |
5 |
5 |
7 |
|
|
0 |
-120 |
20 |
| 18 |
30 |
0 |
-8 |
10 |
8 |
6 |
6 |
8 |
|
|
0 |
-120 |
20 |
| 30 |
50 |
0 |
-10 |
13 |
10 |
8 |
8 |
10 |
|
|
0 |
-120 |
20 |
| 50 |
80 |
0 |
-12 |
15 |
15 |
9 |
9 |
10 |
|
|
0 |
-150 |
25 |
| P5 |
2.5 |
10 |
0 |
-5 |
5 |
4 |
4 |
3 |
4 |
7 |
7 |
0 |
-40 |
5 |
| 10 |
18 |
0 |
-5 |
5 |
4 |
4 |
3 |
4 |
7 |
7 |
0 |
-80 |
5 |
| 18 |
30 |
0 |
-6 |
6 |
5 |
5 |
3 |
4 |
8 |
8 |
0 |
-120 |
5 |
| 30 |
50 |
0 |
-8 |
8 |
6 |
6 |
4 |
5 |
8 |
8 |
0 |
-120 |
5 |
| 50 |
80 |
0 |
-9 |
9 |
7 |
7 |
5 |
5 |
8 |
8 |
0 |
-150 |
6 |
| Accuracy
class
|
dmm
|
Δdmp |
VDp
|
VDMP |
Kea |
Sea |
SD |
ΔCs |
VCs |
|
Open
bearing |
Capped
bearing |
| 9 |
0.1
|
2.3.4. |
2.3.4 |
|
From |
To |
Upper
deviation |
Lower
deviation |
max
|
max |
max |
max |
max |
|
max |
| PO |
6 |
18 |
0 |
-8 |
10 |
8 |
6 |
10 |
6 |
15 |
|
|
Same with ΔBs
of innet ring of the same bearing |
|
Same
with ΔBs of innet
ring of the same bearing |
| 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 |
15 |
|
|
| 80 |
120 |
0 |
-15 |
19 |
19 |
11 |
26 |
11 |
35 |
|
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| P6 |
6 |
18 |
0 |
-7 |
9 |
7 |
5 |
9 |
5 |
8 |
|
|
| 18 |
30 |
0 |
-8 |
10 |
8 |
6 |
10 |
6 |
9 |
|
|
| 30 |
50 |
0 |
-9 |
11 |
9 |
7 |
13 |
7 |
10 |
|
|
| 50 |
80 |
0 |
-11 |
14 |
11 |
8 |
16 |
8 |
13 |
|
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| 80 |
120 |
0 |
-13 |
16 |
16 |
10 |
20 |
10 |
18 |
|
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| P5 |
6 |
18 |
0 |
-5 |
5 |
4 |
4 |
|
3 |
5 |
8 |
8 |
5 |
| 18 |
30 |
0 |
-6 |
6 |
5 |
5 |
|
3 |
6 |
8 |
8 |
5 |
| 30 |
50 |
0 |
-7 |
7 |
5 |
5 |
|
4 |
7 |
8 |
8 |
5 |
| 50 |
80 |
0 |
-9 |
9 |
7 |
7 |
|
5 |
8 |
10 |
8 |
6 |
| 80 |
120 |
0 |
-10 |
10 |
8 |
7 |
|
5 |
10 |
11 |
9 |
8 |
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