角接觸軸承的特點是它既能承受徑向載荷又能承受單方向軸向軸向載荷。接觸角越大，承受軸向載荷越大，接觸角越小，承受軸向載荷就越小。反之，接觸角越小，承受徑向載荷的能力越大，也越適用于高速應用的場合。根據不同工況條件，它可以有多種組配方式以獲得不同的承受徑向和軸向載荷能力，并滿足高轉速和徑、軸向高剛度的要求。因此它被廣泛應用于精密機床的主軸中。
|
軸承型號 |
外型尺寸 |
額定符合 |
極限 |
重量≈ |
|||||||
|
d |
D |
B |
rmin |
r1min |
a |
Cr |
Cor |
脂 |
油 |
||
|
Mm ≈ |
KN |
r/min |
Kg |
||||||||
|
7204C |
20 |
47 |
14 |
1.0 |
0.3 |
12 |
13.1 |
9.6 |
34000 |
50000 |
0.11 |
|
7204AC |
20 |
47 |
14 |
1.0 |
0.3 |
15 |
12.6 |
9.2 |
30000 |
45000 |
0.11 |
|
7205C |
25 |
52 |
15 |
1.0 |
0.3 |
13 |
16.8 |
13.1 |
30000 |
45000 |
0.14 |
|
7205AC |
25 |
52 |
15 |
1.0 |
0.3 |
16 |
16.1 |
12.5 |
26000 |
40000 |
0.14 |
|
7206C |
30 |
62 |
16 |
1.0 |
0.3 |
14 |
23.4 |
18.8 |
24000 |
38000 |
0.21 |
|
7206AC |
30 |
62 |
16 |
1.0 |
0.3 |
19 |
22.3 |
18 |
20000 |
34000 |
0.21 |
|
7207C |
35 |
72 |
17 |
1.1 |
0.6 |
16 |
25.8 |
22.9 |
18000 |
3000 |
0.31 |
|
7207AC |
35 |
72 |
17 |
1.1 |
0.6 |
21 |
24.5 |
21.9 |
17000 |
28000 |
0.31 |
|
7208C |
40 |
80 |
18 |
1.1 |
0.6 |
17 |
34.1 |
30.9 |
17000 |
28000 |
0.4 |
|
7208AC |
40 |
80 |
18 |
1.1 |
0.6 |
23 |
32.5 |
29.5 |
15000 |
24000 |
0.4 |
|
7209C |
45 |
85 |
19 |
1.1 |
0.6 |
18 |
35.5 |
33.8 |
16000 |
26000 |
0.45 |
|
7209AC |
45 |
85 |
19 |
1.1 |
0.6 |
25 |
35.8 |
32.3 |
14000 |
22000 |
0.45 |
|
7210C |
50 |
90 |
20 |
1.1 |
0.6 |
19 |
43.3 |
40.6 |
15000 |
24000 |
0.49 |
|
7210AC |
50 |
100 |
21 |
1.5 |
0.6 |
26 |
41.3 |
38.7 |
14000 |
22000 |
0.49 |
|
7211C |
55 |
100 |
21 |
1.5 |
0.6 |
21 |
53.6 |
51.1 |
14000 |
22000 |
0.65 |
|
7211AC |
55 |
100 |
21 |
1.5 |
0.6 |
29 |
51.1 |
48.8 |
13000 |
20000 |
0.65 |
|
7212C |
60 |
110 |
22 |
1.5 |
0.6 |
22 |
55.8 |
56.2 |
12000 |
19000 |
0.86 |
|
7212AC |
60 |
110 |
22 |
1.5 |
0.6 |
31 |
53.0 |
53.5 |
11000 |
18000 |
0.86 |
|
7213C |
65 |
120 |
23 |
1.5 |
0.6 |
24 |
67.5 |
69.0 |
11000 |
18000 |
1.08 |
|
7213AC |
65 |
120 |
23 |
1.5 |
0.6 |
33 |
64.2 |
65.8 |
9500 |
16000 |
1.08 |
|
7214C |
70 |
125 |
24 |
1.5 |
0.6 |
25 |
70.2 |
74.6 |
10000 |
17000 |
1.19 |
|
7214AC |
70 |
125 |
24 |
1.5 |
0.6 |
35 |
66.6 |
71.1 |
9000 |
15000 |
1.19 |
|
7215C |
75 |
130 |
25 |
1.5 |
0.6 |
26 |
72.7 |
80.2 |
9500 |
16000 |
1.29 |
|
7215AC |
75 |
130 |
25 |
1.5 |
0.6 |
36 |
68.9 |
76.3 |
8500 |
14000 |
1.29 |
|
7216C |
80 |
140 |
26 |
2.0 |
1.0 |
28 |
86.5 |
96.5 |
9000 |
15000 |
1.58 |
|
7216AC |
80 |
140 |
26 |
2.0 |
1.0 |
39 |
82.1 |
91.9 |
8000 |
13000 |
1.58 |
|
7217C |
85 |
150 |
28 |
2.0 |
1.0 |
30 |
97.4 |
107.5 |
8500 |
14000 |
1.96 |
|
7217AC |
85 |
150 |
28 |
2.0 |
1.0 |
42 |
92.5 |
102.4 |
7500 |
12000 |
1.96 |
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