Angular contact bearing with separable outer rings: Angular contact ball bearings are particularly suitable for carrying combined (axial and radial) loads. Sometimes, they also can carry pure axial load and operate in higher speed. Under radial load, axial component force will be produced which must be counteracted. So the bearings are normally adjust against a second bearing. Single row angular contact ball bearings can carry axial load acting in one direction only. In many applications, angular contact ball bearings in pairs or muti-arrangement should be used. The axial load carrying capacity of angular contact ball bearings increase with the increase of contact angle.
Angular Contact Ball Bearings are designed to take radial and thrust loads where the thrust component may be large. Their axial stiffness and small operating clearances provide precise position accuracy for the shaft. These are produced typically with an angle of 40 degrees. It supports a heavy thrust load in one direction. These bearings are mounted single or when the sides are flush ground in tandem for constant thrust in one direction. It is also mounted in pairs when the sides are flush ground for a combined load either face-to-face or back-to-back. They are used in machine tool spindles, which help to retain the preload at higher speeds. They are mainly used in centrifugal applications to support axial loads or a combination of both axial and radial loads
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|
Bearing NO.
|
Dimensions (mm) |
KN) Basic load rating |
Limit speed (rpm)
|
Weight (kg)
|
|
Lubrication |
|
d |
D |
B |
Cr |
Cor |
Grease |
Oil |
|
7203C |
17 |
40 |
12 |
9.18 |
6.05 |
15000 |
20000 |
0.063 |
|
7204C |
20 |
47 |
14 |
12.00 |
8.23 |
13000 |
18000 |
0.10 |
|
7205C |
25 |
52 |
15 |
12.70 |
8.96 |
11000 |
16000 |
0.12 |
|
7206C |
30 |
62 |
16 |
17.60 |
12.80 |
9000 |
13000 |
0.20 |
|
7207C |
35 |
72 |
17 |
24.70 |
18.90 |
8000 |
11000 |
0.31 |
|
7208C |
40 |
80 |
18 |
29.70 |
22.90 |
7500 |
10000 |
0.36 |
|
7209C |
45 |
85 |
19 |
31.40 |
24.80 |
6700 |
9000 |
0.41 |
|
7210C |
50 |
90 |
20 |
32.90 |
26.80 |
6300 |
8500 |
0.45 |
|
7203AC |
17 |
40 |
12 |
8.87 |
5.69 |
15000 |
20000 |
0.063 |
|
7204AC |
20 |
47 |
14 |
11.60 |
7.71 |
13000 |
18000 |
0.10 |
|
7205AC |
25 |
52 |
15 |
12.30 |
8.40 |
11000 |
16000 |
0.12 |
|
7206AC |
30 |
62 |
16 |
16.90 |
12.10 |
9000 |
13000 |
0.20 |
|
7207AC |
35 |
72 |
17 |
23.50 |
17.70 |
8000 |
11000 |
0.31 |
|
7208AC |
40 |
80 |
18 |
28.40 |
21.60 |
7500 |
10000 |
0.36 |
|
7209AC |
45 |
85 |
19 |
30.00 |
23.30 |
6700 |
9000 |
0.41 |
|
7210AC |
50 |
90 |
20 |
31.50 |
25.10 |
6300 |
8500 |
0.45 |
|
7305B |
25 |
62 |
17 |
18.70 |
12.40 |
9500 |
14000 |
|
|
7306B |
30 |
72 |
19 |
21.20 |
14.20 |
8500 |
1200 |
|
|
7307B |
35 |
80 |
21 |
29.50 |
21.00 |
7500 |
10000 |
|
|
7309B |
45 |
100 |
25 |
42.30 |
31.40 |
6000 |
8000 |
|