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N
JTEKT Corporation(Koyo)
Cylindrical roller bearings
Single-row cylindrical roller bearings
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CAD模型選擇
{koyo/cylindrical_roller_bearings/single_row_crb/single_row_crb_n_asmtab.prj},{NB=N318},{SD=90},{D=190},{B=43},{R=3.0},{ORDER=N318},{BEARING=N318},{NG=3100},{NO=4200},{TYPE=50.000},{VERS=4.000},{SR=4.000},{SR1=4.000},{SD1=MIN},{B1=MIN},{DW=25.000},{L=25.000},{PCD=140.000},{ID=125.000},{OD=155.500},{SHAPE=7-B},{N=13},{PPATH=single_row_crb_asmtpl.prj}
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F
P
1
2
3
4
N
E
Rows Per Page
25
50
75
100
1
2
3
4
5
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7
8
9
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11
12
13
14
15
16
17
18
19
20
21
22
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25
LINA
明細表
SD
Inside Diameter
[mm]
D
Outside Diameter
[mm]
B
Bearing Width
[mm]
R
Radius
[mm]
ORDER
Bearing No.
ⁿ/ₐ
CR
Basic dynamic load rating
[kN]
COR
Basic static load rating
[kN]
CU
Fatigue limit load
[kN]
NG
Limiting speeds(Grease)
[rpm]
NO
Limiting speeds(Oil)
[rpm]
N204
20
47
14
1.0
N204
19.3
12.7
1.45
15000
18000
N304
20
52
15
1.1
N304
28.9
19.2
2.50
12000
16000
N205
25
52
15
1.0
N205
22.1
15.7
1.80
13000
16000
N305
25
62
17
1.1
N305
36.6
25.2
3.45
10000
14000
N206
30
62
16
1.0
N206
31.1
21.5
2.95
11000
13000
N306
30
72
19
1.1
N306
48.3
35.2
5.00
8700
12000
N406
30
90
23
1.5
N406
78.3
55.0
7.95
7600
10000
N207
35
72
17
1.1
N207
44.6
31.5
4.70
9500
11000
N307
35
80
21
1.5
N307
62.0
46.9
6.20
7900
10000
N407
35
100
25
1.5
N407
94.1
68.9
9.25
6600
8800
N208
40
80
18
1.1
N208
54.7
42.9
6.15
8300
10000
N308
40
90
23
1.5
N308
73.4
56.9
7.85
6900
9100
N408
40
110
27
2.0
N408
120
89.1
12.6
6000
8000
N209
45
85
19
1.1
N209
57.6
46.9
6.70
7700
9200
N309
45
100
25
1.5
N309
98.5
77.5
11.3
6200
8300
N409
45
120
29
2.0
N409
134
112
13.8
5400
7200
N210
50
90
20
1.1
N210
60.3
51.0
7.30
7100
8500
N310
50
110
27
2.0
N310
109
93.4
11.7
5600
7500
N410
50
130
31
2.1
N410
161
136
17.4
4900
6600
N211
55
100
21
1.5
N211
72.5
62.3
8.30
6400
7700
N311
55
120
29
2.0
N311
138
111
15.8
5100
6800
N411
55
140
33
2.1
N411
174
138
19.6
4600
6100
N212
60
110
22
1.5
N212
85.7
79.9
10.4
5800
7000
N312
60
130
31
2.1
N312
155
126
17.3
4700
6300
N412
60
150
35
2.1
N412
209
184
26.1
4200
5700
F
P
1
2
3
4
N
E
Rows Per Page
25
50
75
100
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