Rod U-Ring R01

DESCRIPTION
U-Ring R01 is a U-seal with an asymmetric profile and shortened inner lip. The recommended working pressure is up to 10 MPa. If the protective ring is installed, the working pressure will increase to 16 MPa. It has very good static and dynamic tightness and it is a good choice for specific requirements, wide operating temperature range and easy installation.

APPLICATION
Light hydraulic cylinders.
Pneumatic cilinders
Earth moving equipment
Industrial vehicles
Agriculture equipment

MATERIAL

Standard material
Material base NBR 85 NBR 85 NBR 80 FPM 85
Material code N4280 N5185 N7272 F9193

Alternate materials:
For applications that may require alternative materials or for verification current availability of tools and part numbers, contact us.

OPERATING CONDITIONS

Pressure, Speed
Working pressure, P 10 MPa
Running speed, v 0,5 m/s
Medium, Working Temperature
Material code N4280 N5185 N7272 F9193
Hydraulic oils HL, HLP -30 to 100˚C -50 to 90˚C -60 to 80˚C -15 to +200˚C
HFA, HFB fluids +5 to +60˚C +5 to +60˚C +5 to +60˚C –
HFC fluids -30 to +60˚C -30 to +60˚C -30 to +60˚C –
HFD fluids – – – -15 to +200˚C
Water +5 to +90˚C +5 to +90˚C +5 to +80˚C –
Mineral greases -30 to +100˚C -50 to +90˚C -60 to +80˚C -15 to +200˚C

DESIGN RECOMMENDATION

Max. permissible gap dimension, emax
Max operating pressure
 S ≤ 7,5mm S > 7,5mm
5 Mpa 0,30 0,35
10 Mpa 0,20 0,25
Surface quality*
Surface roughness Ra Rmax
Sliding surfaces 0.05 .. 0,3μm ≤ 2,5 μm
Groove base ≤ 1,6 μm ≤ 6,3 μm
Groove flanks ≤ 3,0 μm ≤ 15 μm

*Contact area Mr = 50% to 90% at cutting depth c=Rz/2 and reference line Cref=0%

ØD
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H
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S
Material
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ØD
Ød
H
L
S
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Material
Order code
50
60
7
7.5
5
4.5
F9193
R01-201069
50
65
10
11
7.5
5.5
F9193
R01-201070
55
75
12
13
10
6
F9193
R01-201071
56
76
12
13
10
6
F9193
R01-201072
60
72
8.5
9.5
6
5
F9193
R01-201073
56
80
12
13
10
6
F9193
R01-201074
63
75
8.5
9.5
6
5
F9193
R01-201075
63
83
12
13
10
6
F9193
R01-201076
65
85
12
13
10
6
F9193
R01-201077
70
82
8.5
9.5
6
5
F9193
R01-201078
70
90
12
13
10
6
F9193
R01-201079
75
95
12
13
10
6
F9193
R01-201080
80
92
8.5
9.5
6
5
F9193
R01-201081
80
100
12
13
10
6
F9193
R01-201082
85
105
12
13
10
6
F9193
R01-201083
90
102
8.5
9.5
6
5
F9193
R01-201084
90
110
12
13
10
6
F9193
R01-201085
100
115
10
11
7.5
5.5
F9193
R01-201086
100
125
15
16
12.5
6.5
F9193
R01-201087
110
130
14
15
10
6
F9193
R01-201088
110
135
18
19
12.5
6.5
F9193
R01-201089
120
145
18
19
12.5
6.5
F9193
R01-201090
125
145
14
15
10
6
F9193
R01-201091
125
155
18
19
15
7
F9193
R01-201092
140
160
14
15
10
6
F9193
R01-201093
140
170
18
19
15
7
F9193
R01-201094
150
180
18
19
15
7
F9193
R01-201095
160
190
22
23
15
7
F9193
R01-201096
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