Alternator Bearings
Ball bearing type
(without mass)

Features:
1. High working temperature (120ˇăC)
2. Low running noise
Bearing No. Boundary dimensions (mm) Basic load ratings (N) Limiting speed Remarks
d D B rs min Dynamic (Cr) Static (Cor) (RPM) (if any)
608-2RDA
B3041-2RDA
B800-2RDA
B879-2RDA
8
8
8
8
22
22
22
22
7
11
14
11
0.3
0.3
0.3
0.3
3350
3350
3350
3350
1400
1400
1400
1400
32000
32000
32000
32000

with retaining ring
with 2 nylon tolerence rings
with retaining ring
B885-2RDA
629-2RDA
B1046-2RDA
62000-2RDA
8
9
10
10
23
26
23
25
14
8
11
10
0.3
0.3
0.3
0.3
3350
4550
2700
4550
1400
1960
1270
1960
32000
30000
30000
26000
with retaining ring

with retaining ring
6000-2RDA
6-100-2RDA
B1050-2RDA
B900-2RDA
10
10
10
10
26
26
27
27
8
8
11
14
0.3
0.3
0.3
0.3
4550
4550
4550
4550
1960
1960
1960
1960
29000
29000
29000
29000

with 2 nylon tolerence rings
with retaining ring
with 2 nylon tolerence rings
6200-2RDA
6001-2RDA
6201-2RDA
62201-2RDA
10
12
12
12
30
28
32
32
9
8
10
14
0.6
0.3
0.6
0.6
5100
5100
6100
6100
2390
2390
2750
2750
25000
26000
22000
22000

B2012-2RDA
B2011-2RDA
6301-2RDA
R8-2RDA
12
12
12
12.7
32
35
37
28.58
10
18
12
7.938
0.6
0.6
1.0
0.4
6100
6100
9700
4040
2750
2750
4200
1750
22000
22000
20000
19000
with retaining ring


lnch size:1/2"*1-1/8"*5/16"
6202-2RDA
B2021-2RDA
B2022-2RDA
6302-2RDA
15
15
15
15
35
35
38
42
11
13
19
13
0.6
0.6
0.6
1
7750
7750
7750
11400
3600
3600
3600
5450
19000
19000
19000
17000



B3021-2RDA
B3022-2RDA
B1583-2RDA
15
15
15
43
46
47
13
14
18
1
1
0.3
11400
13500
6800
5450
6550
3350
17000
16000
20000

Bearing No. Boundary dimensions (mm) Basic load ratings (N) Limiting speed Remarks
d D B rs min Dynamic (Cr) Static (Cor) (RPM) (if any)
B3031-2RDA
B3041-2RDA
6903-2RDA
6003-2RDA
15
15
17
17
47
52
30
35
14
16
7
10
1
1.1
0.3
0.3
13500
15900
4650
6800
6550
7900
2580
3350
16000
14000
22000
20000



6203-2RDA
6303-2RDA
B1594-2RDA
B3032-2RDA
17
17
17
17
40
47
47
47
12
14
18
24
0.6
1
0.3
1
9600
13500
6800
13500
4600
6550
3350
6550
18000
18000
20000
16000



B3042-2RDA
B3043-2RDA
B3044-2RDA
B62304-2RDA
17
17
17
17
52
52
52
52
16
17
18
21
1.1
1.1
1.1
1.1
15900
15900
15900
15900
7900
7900
7900
7900
14000
14000
14000
14000



B403-2RDA
6904-2RDA
6004-2RDA
6204-2RDA
17
20
20
20
62
37
42
47
20
9
12
14
1.1
0.3
0.6
1
21200
6400
9400
12800
10900
3700
5050
6650
8100
19000
18000
16000

6304-2RDA
6905-2RDA
6005-2RDA
6205-2RDA
20
25
25
25
52
42
47
52
15
9
12
15
1.1
0.3
0.6
1
15900
7050
10400
14000
7900
4550
5850
7850
14000
16000
15000
13000



6305-2RDA
63305-2RDA
6906-2RDA
6006-2RDA
25
25
30
30
62
62
47
55
17
25.4
9
13
1.1
1.1
0.3
1
21200
21200
7250
13200
3600
3600
3600
5450
12000
8100
14000
13000



6206-2RDA
6306-2RDA
63306-2RDA
6209-2RDA
30
30
30
45
62
72
72
85
16
19
30.2
19
1
1.1
1.1
1.1
19500
26700
26700
32500
5450
6550
3350
20400
11000
10000
6600
7800