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Seal on each side
JTEKT Corporation(Koyo)
Needle roller bearings
Machined ring needle roller bearings
Metric Series
NK, NKS, RNA48, RNA49, RNA69 Series Without Inner Ring
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CAD模型選擇
{koyo/needle_roller_bearings/machined_ring_nrb/metric_series/nk_nks_rna_series_without_inner_ring/seal_each_side_nk_nks_rna_asmtab.prj},{NB=RNA4904A.2RS},{ORDER=RNA4904A.2RS},{FW=25},{D=37},{CC=17},{B=17},{C=17},{R=0.300},{CR=18.50},{C0=21.20},{CU=3.30},{NO=7800},{SR=0.500},{DW=4.000},{L=10.800},{M=2.500},{H=0.600},{RR=3.500},{ST=15-D},{BRK=14.000},{NOB=14},{S=NK},{T=10},{PDF=155},{PPATH=seal_one_side_each_side_nk_asmtpl.prj},{VER=2}
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LINA
明細表
ORDER
Bearing No.
ⁿ/ₐ
FW
Inside Diameter
[mm]
D
Outside Diameter
[mm]
B
Bearing Width
[mm]
R
Radius
ⁿ/ₐ
CR
Basic dynamic load rating
[kN]
C0
Basic static load rating
[kN]
CU
Fatigue limit load
[kN]
NO
Limiting speeds (Grease)
[mm]
RNA4900A.2RS
RNA4900A.2RS
14
22
13
0.300
7.76
8.06
1.20
14000
RNA4901A.2RS
RNA4901A.2RS
16
24
13
0.300
8.64
9.59
1.45
12000
RNA4902A.2RS
RNA4902A.2RS
20
28
13
0.300
9.70
12.00
1.80
9700
RNA4903A.2RS
RNA4903A.2RS
22
30
13
0.300
10.10
12.80
1.95
8800
RNA4904A.2RS
RNA4904A.2RS
25
37
17
0.300
18.50
21.20
3.30
7800
RNA4905A.2RS
RNA4905A.2RS
30
42
17
0.300
21.00
26.40
4.10
6500
RNA4906A.2RS
RNA4906A.2RS
35
47
17
0.300
22.50
30.00
4.65
5500
RNA4907A.2RS
RNA4907A.2RS
42
55
20
0.600
29.10
44.40
6.85
4600
RNA4908A.2RS
RNA4908A.2RS
48
62
22
0.600
38.60
57.00
9.10
4000
RNA4909A.2RS
RNA4909A.2RS
52
68
22
0.600
39.40
60.00
9.60
3700
RNA4910A.2RS
RNA4910A.2RS
58
72
22
0.600
41.20
65.80
10.50
3300
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