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Type NF
NTN Corporation
Ball and roller bearing
Cylindrical Roller Bearings
Cylindrical Roller Bearings
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CAD模型選擇
{ntn/ball_roller_bearings/cylindrical_roller_b/cylindrical_rb/crb_nf_asmtab.prj},{NB=NF2214EA},{IDNR=},{SD=70},{D=125},{B=31},{R=1.5},{R1=1.5},{CR=184},{COR=194},{CU=23.7},{CRF=},{CORF=},{LSG=4500},{LSO=6200},{FW=83.5},{EW=113.5},{D1=89.5},{MASS=1.700},{ORDER1=NF},{ORDER2=2214EA},{DA1=78},{DB1=78},{DC=82},{DD=86},{DE=92},{DA=117},{DB2=117},{DB3=115},{RAS=1.5},{R1AS=1.5},{MASS1=1.520},{VERS=5},{PPATH=c_rb_asmtpl.prj}
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F
P
1
2
3
4
5
6
N
E
Rows Per Page
25
50
75
100
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
LINA
明細表
SD
Inside Diameter
[mm]
D
Outside Diameter
[mm]
B
Width
[mm]
R
Radius
[mm]
R1
Diameter
[mm]
CR
Basic load ratings
[kN]
COR
Basic Static Load Rating
[kN]
CU
Fatigue load limit
[kN]
LSG
Limiting speeds (Grease)
[min^-1]
LSO
Limiting speeds (Oil)
[min^-1]
D1
Diameter
[mm]
ORDER
Bearing No.
ⁿ/ₐ
NF204EA
20
47
14
1.0
0.6
32.5
24.7
3.00
15000
21600
29.5
NF204EA
NF2204EA
20
47
18
1.0
0.6
38.5
31.0
3.75
14000
19200
29.5
NF2204EA
NF304EA
20
52
15
1.1
0.6
37.5
26.9
3.25
13000
18000
31.1
NF304EA
NF2304EA
20
52
21
1.1
0.6
49.5
39.0
4.75
12000
16800
31.1
NF2304EA
NF205EA
25
52
15
1.0
0.6
34.5
27.7
3.40
13000
18000
34.5
NF205EA
NF2205EA
25
52
18
1.0
0.6
41.5
34.5
4.25
11000
15600
34.5
NF2205EA
NF305EA
25
62
17
1.1
1.1
49.0
37.5
4.55
11000
15600
38.0
NF305EA
NF2305EA
25
62
24
1.1
1.1
67.5
56.0
6.85
9700
13200
38.0
NF2305EA
NF405
25
80
21
1.5
1.5
51.5
40.0
4.85
8 500
10 000
43.6
NF405
NF206EA
30
62
16
1.0
0.6
46.0
37.5
4.55
11000
15600
41.1
NF206EA
NF2206EA
30
62
20
1.0
0.6
58.0
50.0
6.10
9700
13200
41.1
NF2206EA
NF306EA
30
72
19
1.1
1.1
63.0
50.0
6.15
9300
13200
44.9
NF306EA
NF2306EA
30
72
27
1.1
1.1
88.0
77.5
9.45
8300
11600
44.9
NF2306EA
NF406
30
90
23
1.5
1.5
69.5
55.0
6.70
7 300
8 500
50.5
NF406
NF207EA
35
72
17
1.1
0.6
59.5
50.0
6.10
9500
13200
48.0
NF207EA
NF2207EA
35
72
23
1.1
0.6
73.0
65.5
7.95
8500
12000
48.0
NF2207EA
NF307EA
35
80
21
1.5
1.1
83.5
71.0
8.65
8100
11500
51.0
NF307EA
NF2307EA
35
80
31
1.5
1.1
117
109
13.3
7200
10200
51.0
NF2307EA
NF407
35
100
25
1.5
1.5
83.5
69.0
8.40
6 400
7 500
59.0
NF407
NF208
40
80
18
1.1
1.1
48.5
43.0
5.25
9 400
11 000
54.2
NF208
NF208EA
40
80
18
1.1
1.1
66.0
55.5
6.75
8500
12000
53.9
NF208EA
NF2208EA
40
80
23
1.1
1.1
85.5
77.5
9.45
7600
10700
53.9
NF2208EA
NF308
40
90
23
1.5
1.5
65.0
57.0
6.95
8 000
9 400
58.4
NF308
NF308EA
40
90
23
1.5
1.5
98.5
81.5
9.95
7200
10200
57.6
NF308EA
NF2308EA
40
90
33
1.5
1.5
135
122
14.9
6400
9000
57.6
NF2308EA
F
P
1
2
3
4
5
6
N
E
Rows Per Page
25
50
75
100
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