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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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