|
|
|
| 性能参数 |
|
|
| |
| 游 隙 |
轴承游隙是指将内圈或外圈中的一个固定,使另一个移动时的偏移量。轴承运转时工作游隙的大小对轴
承的滚动、寿命、振动、噪音、温升等性能影响很大。现按轴承结构列出无预负荷的游隙适用表。 |
| Table 4(游隙 Clearance) |
Unit:μm |
Bore(d) |
C2 |
Co
Normal |
C3 |
C4 |
C5 |
Over |
Incl |
mm |
mm |
min |
max |
min |
max |
min |
max |
min |
max |
min |
max |
2.5 |
6 |
0 |
7 |
2 |
13 |
8 |
23 |
- |
- |
- |
- |
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 |
55 |
90 |
|
| 注:C2组游隙仅适用于6级精度以上轴承 |
| 振动与噪音 |
轴承的振动噪音分为三级,用Z1、Z2、Z3、来表示,采用SO910-1仪器来检测。当有特殊要求时可用
BVT来检测,用V1、V2、V3来表示。 |
| Table 5 |
Bore
(mm)
|
S0901-(dB)
|
BVT-1(μm/s)
|
Z1
≤ |
Z2
≤ |
Z3
≤
|
V1≤
|
V2≤ |
V3≤ |
Low |
Medium |
High |
L |
M |
H |
L |
M |
H |
4 |
34 |
32
|
28 |
90 |
60 |
50 |
58 |
36 |
30 |
35 |
21 |
18 |
5 |
36 |
34 |
30 |
90 |
60 |
50 |
58 |
36 |
30 |
35 |
21 |
18 |
6 |
36 |
34 |
30 |
90 |
60 |
50 |
58 |
36 |
30 |
35 |
21 |
18 |
7 |
37 |
34 |
32 |
110 |
80 |
65 |
72 |
48 |
40 |
44 |
28 |
24 |
8 |
38 |
35 |
33 |
110 |
80 |
65 |
72 |
48 |
40 |
44 |
28 |
24 |
9 |
40 |
36 |
34 |
110 |
80 |
65 |
72 |
48 |
40 |
44 |
28 |
24 |
10 |
41 |
38 |
35 |
140 |
100 |
85 |
90 |
60 |
50 |
55 |
35 |
30 |
12 |
43 |
39 |
35 |
140 |
100 |
85 |
90 |
60 |
50 |
55 |
35 |
30 |
15 |
44 |
40 |
35 |
180 |
130 |
100 |
110 |
78 |
60 |
65 |
46 |
35 |
17 |
45 |
41 |
36 |
180 |
130 |
100 |
110 |
78 |
60 |
65 |
46 |
35 |
20 |
46 |
42 |
37 |
220 |
160 |
125 |
130 |
100 |
75 |
80 |
60 |
45 |
25 |
47 |
44 |
40 |
220 |
160 |
125 |
130 |
100 |
75 |
80 |
60 |
45 |
30 |
48 |
43 |
41 |
250 |
200 |
160 |
150 |
120 |
100 |
90 |
75 |
60 |
35 |
49 |
45 |
43 |
250 |
200 |
160 |
150 |
120 |
100 |
90 |
75 |
60 |
40 |
51 |
46 |
44 |
300 |
250 |
220 |
180 |
150 |
130 |
110 |
90 |
80 |
45 |
53 |
48 |
45 |
300 |
250 |
220 |
180 |
150 |
130 |
110 |
90 |
80 |
50 |
54 |
50 | | | |