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hlf@anjqbearings.com+8615395302735
Bearing The Selection Of Material
The ring and balls of SDLB bearings are made of refining steel GCr15(AIS152100),the retainerare
punched from brassstrip(H62)ortop quality cold-rolled steel strip(SPCC BQB402)and reinforced
plastics are avail-able if necessary.Theshield is made ofimported special material (SPCCJISG314),sealing ring adopts phosphatingframed and fiber-like oiresistant rubberhot-pressingis
made.
|
Steel NO. |
C(%) |
Si(%) |
Mn(%) |
S(%) |
P(%) |
Cr(%) |
|
GCr15 |
0.95-1.05 |
0.15-0.3 |
0.25-0.45 |
0.025 |
0.025 |
1.3-1.6 |
|
9Cr18Mo |
0.90-1.05 |
<0.8 |
<0.8 |
<0.04 |
<0.03 |
16-19 |
Bearing accuracy
Bearing accuracy,refers to the size precision and the rotating precision.International bearing
precision grade is dividedinto:level 0.level 6.level 5.level 4.level2,eauivalent to ISO standard,the
different standards of precision gradecontrast follows.
|
标准代号NO. |
精度等级Accuracy Grade |
|||||
|
GB |
中国 |
0 |
6 |
5 |
4 |
2 |
|
ISO |
国际 |
0 |
6 |
5 |
4 |
2 |
|
ANSI |
美国 |
ABEC1 |
ABEC3 |
ABEC5 |
ABEC7 |
ABEC9 |
|
SKF |
瑞典 |
P0 |
P6 |
P5 |
P4 |
P2 |
|
DIN |
德国 |
P0 |
P6 |
P5 |
P4 |
P2 |
|
JIS |
日 本 |
0 |
6 |
5 |
4 |
2 |
|
公称内径(d/mm) |
2组2group |
0组Ogroup |
3组3group |
4组4group |
5组5group |
||||||||||||||||||||||||
|
超过 |
到 |
最小 |
最大 |
最小 |
最大 |
最小 |
最大 |
最小 |
最大 |
最小 |
最大 |
||||||||||||||||||
|
6 |
10 |
0 |
7 |
2 |
13 |
8 |
23 |
14 |
29 |
20 |
37 |
||||||||||||||||||
|
10 |
18 |
0 |
9 |
3 |
18 |
11 |
25 |
18 |
33 |
25 |
45 |
||||||||||||||||||
|
18 |
24 |
0 |
10 |
5 |
20 |
13 |
28 |
20 |
36 |
28 |
48 |
||||||||||||||||||
|
24 |
30 |
1 |
11 |
5 |
20 |
13 |
28 |
23 |
41 |
30 |
53 |
||||||||||||||||||
|
30 |
40 |
1 |
11 |
6 |
20 |
15 |
33 |
28 |
46 |
40 |
64 |
||||||||||||||||||
|
40 |
50 |
1 |
11 |
6 |
23 |
18 |
36 |
30 |
51 |
45 |
73 |
||||||||||||||||||
|
50 |
65 |
1 |
15 |
8 |
28 |
23 |
43 |
38 |
61 |
60 |
90 |
||||||||||||||||||
|
65 |
80 |
1 |
15 |
10 |
30 |
25 |
51 |
46 |
71 |
65 |
105 |
||||||||||||||||||
|
80 |
100 |
1 |
18 |
12 |
36 |
30 |
58 |
53 |
84 |
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Contact: huo sheng
Phone: +8615395302735
Tel: +8615395302735
Email: hlf@anjqbearings.com
Add: . 24, Zone A, Sino French Trade City, Wanzhou District, Wuhu City, Anhui Province, China
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