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Table 1:Alternator bearings Needle Roller Bearing Type
Bearing No. Boundary Dimensions (mm) Type
Fw D D1 B B1
MNJ-471S (BA607) 17.015 23.8   17.02   A
BCH 06604 17.02 23.83   17.53   A
TAM 1722 17 24   22   A
TAM 3022 30.2 40   22   B
SCH 1413P 22.225 30.162   20.64   B
N-102 （ BA608) 17.02 23.83 19 20.5   C
FC-66217 17.02 23.83 19 31.5   C

Table 2:Alternator Bearings Ball bearing type (without mass)
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
3200
3200		 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
0.4		 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 15 47 14 1 13500 6550 16000
B3041-2RDA 15 52 16 1.1 15900 7900 14000
6903-2RDA 17 30 7 0.3 4650 2580 22000
6003-2RDA 17 35 10 0.3 6800 3350 20000
6203-2RDA 17 40 12 0.6 9600 4600 18000
6303-2RDA 17 47 14 1 13500 6550 18000
B1594-2RDA 17 47 18 0.3 6800 3350 20000
B3032-2RDA 17 47 24 1 13500 6550 16000
B3042-2RDA 17 52 16 1.1 15900 7900 14000
B3043-2RDA 17 52 17 1.1 15900 7900 14000
B3044-2RDA 17 52 18 1.1 15900 7900 14000
B62304-2RDA 17 52 21 1.1 15900 7900 14000
B403-2RDA 17 62 20 1.1 21200 10900 8100
6904-2RDA 20 37 9 0.3 6400 3700 19000
6004-2RDA 20 42 12 0.6 9400 5050 18000
6204-2RDA 20 47 14 1 12800 6650 16000
6304-2RDA 20 52 15 1.1 15900 7900 14000
6905-2RDA 25 42 9 0.3 7050 4550 16000
6005-2RDA 25 47 12 0.6 10400 5850 15000
6205-2RDA 25 52 15 1 14000 7850 13000
6305-2RDA 25 62 17 1.1 21200 3600 12000
63305-2RDA 25 62 25.4 1.1 21200 3600 8100
6906-2RDA 30 47 9 0.3 7250 3600 14000
6006-2RDA 30 55 13 1 13200 5450 13000
6206-2RDA 30 62 16 1 19500 5450 11000
6306-2RDA 30 72 19 1.1 26700 6550 10000
63306-2RDA 30 72 30.2 1.1 26700 3350 6600
6209-2RDA 45 85 19 1.1 32500 20400 7800

Table 3:Alternator Bearings Ball bearing type (with mass)
Bearing No. Boundary dimensions (mm) Basic load ratings (N) Limiting speed Approx. mass Remarks
d D B rs min Dynamic (Cr) Static (Cor) (RPM) (kg) (if any)
608-2RDA 8 22 7 0.3 3350 1400 32000 0.015
B3041-2RDA 8 22 11 0.3 3350 1400 32000 with retaining ring
B800-2RDA 8 22 14 0.3 3350 1400 32000 with 2 nylon tolerence rings
B879-2RDA 8 22 11 0.3 3350 1400 32000 with retaining ring
B885-2RDA 8 23 14 0.3 3350 1400 32000 with retaining ring
629-2RDA 9 26 8 0.3 4550 1960 30000 0.023
B1046-2RDA 10 23 11 0.3 2700 1270 30000 with retaining ring
62000-2RDA 10 25 10 0.3 4550 1960 26000 0.024
6000-2RDA 10 26 8 0.3 4550 1960 29000 0.019
6-100-2RDA 10 26 8 0.3 4550 1960 29000 0.019 with 2 nylon tolerence rings
B1050-2RDA 10 27 11 0.3 4550 1960 29000 with retaining ring
B900-2RDA 10 27 14 0.3 4550 1960 29000 with 2 nylon tolerence rings
6200-2RDA 10 30 9 0.6 5100 2390 25000 0.035
6001-2RDA 12 28 8 0.3 5100 2390 26000 0.024
6201-2RDA 12 32 10 0.6 6100 2750 22000 0.04
62201-2RDA 12 32 14 0.6 6100 2750 22000 0.049
B2012-2RDA 12 32 10 0.6 6100 2750 22000 with retaining ring
B2011-2RDA 12 35 18 0.6 6100 2750 22000
6301-2RDA 12 37 12 1 9700 4200 20000 0.064
R8-2RDA 12.7 28.58 7.938 0.4 4040 1750 19000 0.018 lnch size:1/2"*1-1/8"*5/16"
6202-2RDA 15 35 11 0.6 7750 3600 19000 0.048
B2021-2RDA 15 35 13 0.6 7750 3600 19000
B2022-2RDA 15 38 19 0.6 7750 3600 19000
6302-2RDA 15 42 13 1 11400 5450 17000 0.085
B3021-2RDA 15 43 13 1 11400 5450 17000
B3022-2RDA 15 46 14 1 13500 6550 16000
B1583-2RDA 15 47 18 0.3 6800 3350 20000
Bearing No. Boundary dimensions (mm) Basic load ratings (N) Limiting speed Approx.mass Remarks
d D B rs min Dynamic (Cr) Static (Cor) (RPM) (kg) (if any)
B3031-2RDA
15
47
14
1
13500
6550
16000
B3041-2RDA
15
52
16
1.1
15900
7900
14000
6903-2RDA
17
30
7
0.3
4650
2580
22000
0.021
6003-2RDA
17
35
10
0.3
6800
3350
20000
0.042
6203-2RDA
17
40
12
0.6
9600
4600
18000
0.072
6303-2RDA
17
47
14
1
13500
6550
18000
0.12
B1594-2RDA
17
47
18
0.3
6800
3350
20000
B3032-2RDA
17
47
24
1
13500
6550
16000
B3042-2RDA
17
52
16
1.1
15900
7900
14000
B3043-2RDA
17
52
17
1.1
15900
7900
14000
B3044-2RDA
17
52
18
1.1
15900
7900
14000
6904-2RDA
20
37
9
0.3
6400
3700
19000
0.041
6004-2RDA
20
42
12
0.6
9400
5050
18000
0.072
6204-2RDA
20
47
14
1
12800
6650
16000
0.11
6304-2RDA
20
52
15
1.1
15900
7900
14000
0.15
6905-2RDA
25
42
9
0.3
7050
4550
16000
0.046
6005-2RDA
25
47
12
0.6
10400
5850
15000
0.085
6205-2RDA
25
52
15
1
14000
7850
13000
0.132
6305-2RDA
25
62
17
1.1
21200
3600
12000
0.24
63305-2RDA
25
62
25.4
1.1
21200
3600
8100
0.384
6906-2RDA
30
47
9
0.3
7250
3600
14000
0.05
6006-2RDA
30
55
13
1
13200
5450
13000
0.12
6206-2RDA
30
62
16
1
19500
5450
11000
0.208
6306-2RDA
30
72
19
1.1
26700
6550
10000
0.39
63306-2RDA
30
72
30.2
1.1
26700
3350
6600
0.553
6209-2RDA
45
85
19
1.1
32500
20400
7800
0.44