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Seal on one side
JTEKT Corporation(Koyo)
Needle roller bearings
Machined ring needle roller bearings
Metric Series
NKJ, NKJS, NA48, NA49, NA69 Series With Inner Ring
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CAD模型選擇
{koyo/needle_roller_bearings/machined_ring_nrb/metric_series/nkj_nkjs_na_with_inner_ring/seal_one_side_nkj_na_asmtab.prj},{NB=NA4904ARS},{ORDER=NA4904ARS},{FW=25},{SD=20},{D=37},{CC=18},{B=18},{R=0.3},{CR=18.50},{C0=21.20},{CU=3.30},{NO=7800},{SR=1.500},{DW=4.000},{L=10.800},{M=2.500},{H=0.600},{RR=3.500},{GH=1.80},{ST=16-I},{BRK=14.000},{NOB=14},{IM=2.0},{S=NK},{T=40},{VER=2},{PDF=155},{PPATH=seal_one_side_each_side_nkj_na_asmtpl.prj}
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LINA
明細表
ORDER
Bearing No.
ⁿ/ₐ
FW
Inside Diameter
[mm]
SD
Inside Diameter
[mm]
D
Outside Diameter
[mm]
B
Bearing Width
[mm]
R
Radius
[mm]
CR
Basic dynamic load rating
[kN]
C0
Basic static load rating
[kN]
CU
Fatigue limit load
[kN]
NO
Limiting speeds (Grease)
[min-1]
NA4900ARS
NA4900ARS
14
10
22
14
0.3
7.76
8.06
1.20
14000
NA4901ARS
NA4901ARS
16
12
24
14
0.3
8.64
9.59
1.45
12000
NA4902ARS
NA4902ARS
20
15
28
14
0.3
9.77
12.00
1.80
9700
NA4903ARS
NA4903ARS
22
17
30
14
0.3
10.10
12.80
1.95
8800
NA4904ARS
NA4904ARS
25
20
37
18
0.3
18.50
21.20
3.30
7800
NA4905ARS
NA4905ARS
30
25
42
18
0.3
21.00
26.40
4.10
6500
NA4906ARS
NA4906ARS
35
30
47
18
0.3
22.50
30.00
4.65
5500
NA4907ARS
NA4907ARS
42
35
55
21
0.6
29.10
44.40
6.85
4600
NA4908ARS
NA4908ARS
48
40
62
23
0.6
38.60
57.00
9.10
4000
NA4909ARS
NA4909ARS
52
45
68
23
0.6
39.40
60.00
9.60
3700
NA4910ARS
NA4910ARS
58
50
72
23
0.6
41.20
65.80
10.50
3300
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