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BECA 520 - 522 - 524

BECA 520 - 522 - 524
BECA 520
beca_520_3d_v1
beca_520_3d_v2

Description

The BECA 520-522-524 profiles are double acting composite piston seals composed of a pre-tightened rubber O'Ring and a custom-made polyurethane friction ring.

Advantages

Optimal sealing in static and dynamic applications
Excellent abrasion and wear resistance
Assembled by deformation

Technical data

Temperature

-30°C/+100°C

Pressure

25 MPa

Speed

0.5 m/s

Medias

Mineral hydraulic oils

Applications

Agriculture
Light and medium-sized industry
Machine tools
Material handling/Lifting

Materials

Friction ring

PU 93 Shore A - Blue
PU 96 Shore A - Blue
High temp. PU 96 Shore A - Beige
TPC-E (Hytrel)

O'Ring

NBR 70 Shore A

Dimensions
Installation dimensions
Materials
Technical data

Dimensions

520.008, 520.010, 520.012, 520.014, 520.015, 520.016, 520.018, 520.020, 520.021, 520.022, 520.024, 524.025, 520.025, 520.028, 520.030, 524.032, 520.032, 520.035, 520.036, 520.038, 520.040, 522.040, 520.042, 520.045, 520.048, 524.050, 520.050, 520.052, 520.053, 520.055, 520.057, 520.058, 520.060, 520.062, 524.063, 520.063, 520.065, 520.068, 520.070, 520.072, 520.075, 520.080, 522.080, 520.082, 520.085, 520.087, 520.090, 520.092, 520.095, 520.100, 522.100, 520.105, 520.108, 520.110, 520.115, 520.120, 524.125, 520.125, 520.127, 520.130, 520.132, 520.135, 520.140, 520.145, 520.150, 520.155, 520.160, 522.160, 520.165, 520.170, 520.175, 520.180, 520.185, 520.190, 520.195, 520.200, 522.200, 520.205, 520.210, 520.215, 520.220, 520.230, 520.240, 524.250, 520.250, 520.260, 520.270, 520.280, 520.290, 520.300, 520.310, 524.320, 520.320, 520.330, 520.340, 520.350, 520.360, 520.370, 520.380, 520.390, 520.400, 520.410, 520.420, 520.430, 520.440, 520.450, 520.460, 520.470, 520.480, 520.490, 520.500, 520.550, 520.600, 520.650, 520.700, 520.750, 520.800, 520.850, 520.900, 520.950
Installation drawingLogement Gorge Joint de piston - Housing Groove Gland Piston seal BECA 520 - 522 - 524

Installation dimensions

Housing Groove Gland Piston seal - BECA 520 - 522 - 524

Installation dimensions

Bore diameter
ØD1 H9
Groove diameter Groove width Radial section O'Ring
cross-section
BECA 520
Standard
series
BECA 522
Light
series
BECA 524
Heavy-duty
series
Ød1 h9 L1 0/+0.20 S Ød2
8.0 - 14.9 15.0 - 39.9 --- D1 - 4.90 2.20 2.45 1.78
15.0 - 39.9 40.0 - 79.9 --- D1 - 7.50 3.20 3.75 2.62
40.0 - 79.9 80.0 - 132.9 15.0 - 39.9 D1 - 11.00 4.20 5.50 3.53
80.0 - 132.9 133.0 - 329.9 40.0 - 79.9 D1 - 15.50 6.30 7.75 5.33
133.0 - 329.9 330.0 - 669.9 80.0 - 132.9 D1 - 21.00 8.10 10.50 6.99
330.0 - 669.9 670.0 - 999.9 133.0 - 329.9 D1 - 24.50 8.10 12.25 6.99
670.0 - 999.9 1000.0 - ** 330.0 - 669.9 D1 - 28.00 9.50 14.00 8.40
1000.0 - ** --- 1000.0 - ** D1 - 38.00 13.80 19.00 12.00

Materials

Friction ring O'Ring Contact surface area
Standard code ISO code Material Colour Characteristics Code Type of material Service temperature
HG HG PE-UHMW White or off-white Excellent wear resistance on contact with water and air K6 NBR 70 Shore A -30°C/+80°C Steel
Stainless steel
Chrome steel
Aluminium
Bronze
Cast iron
Treated surface
PU U Polyurethane Blue Large mechanical resistance
Good abrasion and wear resistance
High elastic modulus
Good flexibility
Very good ozone and oxidation resistance
K6 NBR 70 Shore A -30°C/+90°C
PUHT U High-temperature polyurethane White or off-white K6 NBR 70 Shore A -30°C/+100°C

Other grades of materials are available depending on your specificities.

Technical data

Housing Groove Gland Piston seal - BECA 520 - 522 - 524

Extrusion gaps

Radial section
S
Radial extrusion gap
F/2
2.45 0.20
3.75 0.25
5.50 0.25
7.75 0.30
10.50 0.30
12.25 0.35
14.00 0.35
19.00 0.40

Surface roughness

Roughness Dynamic surface area Static surface area Groove flanks
Ra 0.1 - 0.4 µm ≤ 1.6 µm ≤ 3.2 µm
Rz 0.63 - 2.5 µm ≤ 6.3 µm ≤ 10.0 µm
Rmax 1.0 - 4.0 µm ≤ 10.0 µm ≤ 16.0 µm

Chamfers and radius

Radial section
S
Radius
R1
Radius
R2
Chamfer
C
2.45 0.30 0.40 3.00
3.75 0.30 0.60 3.00
5.50 0.30 1.00 3.00
7.75 0.30 1.30 5.00
10.50 0.30 1.80 6.00
12.25 0.30 1.80 8.00
14.00 0.30 2.50 10.00
19.00 0.30 3.00 12.00
120 dimensions found
520.008
Standard request
8,00 3,10 2,20
520.010
Standard request
10,00 5,10 2,20
520.012
Standard request
12,00 7,10 2,20
520.014
Standard request
14,00 9,10 2,20
520.015
Standard request
15,00 7,50 3,20
520.016
Standard request
16,00 8,50 3,20
520.018
Standard request
18,00 10,50 3,20
520.020
Standard request
20,00 12,50 3,20
520.021
Standard request
21,00 13,50 3,20
520.022
Standard request
22,00 14,50 3,20
520.024
Standard request
24,00 16,50 3,20
524.025
Standard request
25,00 14,00 4,20
520.025
Standard request
25,00 17,50 3,20
520.028
Standard request
28,00 20,50 3,20
520.030
Standard request
30,00 22,50 3,20
524.032
Standard request
32,00 21,00 4,20
520.032
Standard request
32,00 24,50 3,20
520.035
Standard request
35,00 27,50 3,20
520.036
Standard request
36,00 28,50 3,20
520.038
Standard request
38,00 30,50 3,20
520.040
Standard request
40,00 29,00 4,20
522.040
Standard request
40,00 32,50 3,20
520.042
Standard request
42,00 31,00 4,20
520.045
Standard request
45,00 34,00 4,20
520.048
Standard request
48,00 37,00 4,20
524.050
Standard request
50,00 34,50 6,30
520.050
Standard request
50,00 39,00 4,20
520.052
Standard request
52,00 41,00 4,20
520.053
Standard request
53,00 42,00 4,20
520.055
Standard request
55,00 44,00 4,20
520.057
Standard request
57,00 46,00 4,20
520.058
Standard request
58,00 47,00 4,20
520.060
Standard request
60,00 49,00 4,20
520.062
Standard request
62,00 51,00 4,20
524.063
Standard request
63,00 47,50 6,30
520.063
Standard request
63,00 52,00 4,20
520.065
Standard request
65,00 54,00 4,20
520.068
Standard request
68,00 57,00 4,20
520.070
Standard request
70,00 59,00 4,20
520.072
Standard request
72,00 61,00 4,20
520.075
Standard request
75,00 64,00 4,20
520.080
Standard request
80,00 64,50 6,30
522.080
Standard request
80,00 69,00 4,20
520.082
Standard request
82,00 66,50 6,30
520.085
Standard request
85,00 69,50 6,30
520.087
Standard request
87,00 71,50 6,30
520.090
Standard request
90,00 74,50 6,30
520.092
Standard request
92,00 76,50 6,30
520.095
Standard request
95,00 79,50 6,30
520.100
Standard request
100,00 84,50 6,30
522.100
Standard request
100,00 89,00 4,20
520.105
Standard request
105,00 89,50 6,30
520.108
Standard request
108,00 92,50 6,30
520.110
Standard request
110,00 94,50 6,30
520.115
Standard request
115,00 99,50 6,30
520.120
Standard request
120,00 104,50 6,30
524.125
Standard request
125,00 104,00 8,10
520.125
Standard request
125,00 109,50 6,30
520.127
Standard request
127,00 111,50 6,30
520.130
Standard request
130,00 114,50 6,30
520.132
Standard request
132,00 116,50 6,30
520.135
Standard request
135,00 114,00 8,10
520.140
Standard request
140,00 119,00 8,10
520.145
Standard request
145,00 124,00 8,10
520.150
Standard request
150,00 129,00 8,10
520.155
Standard request
155,00 134,00 8,10
520.160
Standard request
160,00 139,00 8,10
522.160
Standard request
160,00 144,50 6,30
520.165
Standard request
165,00 144,00 8,10
520.170
Standard request
170,00 149,00 8,10
520.175
Standard request
175,00 154,00 8,10
520.180
Standard request
180,00 159,00 8,10
520.185
Standard request
185,00 164,00 8,10
520.190
Standard request
190,00 169,00 8,10
520.195
Standard request
195,00 174,00 8,10
520.200
Standard request
200,00 179,00 8,10
522.200
Standard request
200,00 184,50 6,30
520.205
Standard request
205,00 184,00 8,10
520.210
Standard request
210,00 189,00 8,10
520.215
Standard request
215,00 194,00 8,10
520.220
Standard request
220,00 199,00 8,10
520.230
Standard request
230,00 209,00 8,10
520.240
Standard request
240,00 219,00 8,10
524.250
Standard request
250,00 225,50 8,10
520.250
Standard request
250,00 229,00 8,10
520.260
Standard request
260,00 239,00 8,10
520.270
Standard request
270,00 249,00 8,10
520.280
Standard request
280,00 259,00 8,10
520.290
Standard request
290,00 269,00 8,10
520.300
Standard request
300,00 279,00 8,10
520.310
Standard request
310,00 289,00 8,10
524.320
Standard request
320,00 295,50 8,10
520.320
Standard request
320,00 299,00 8,10
520.330
Standard request
330,00 305,50 8,10
520.340
Standard request
340,00 315,50 8,10
520.350
Standard request
350,00 325,50 8,10
520.360
Standard request
360,00 335,50 8,10
520.370
Standard request
370,00 345,50 8,10
520.380
Standard request
380,00 355,50 8,10
520.390
Standard request
390,00 365,50 8,10
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