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L1

C

R2

R1

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INSTALLATION DIMENSIONS

Rod diameter

Ød1 f8/h9

Groove diameter

Groove width

Radial section

O’Ring

cross-section

BECA 170

Standard range

BECA 179

Extended range

ØD1 H9

L1 0/+0.20

S

Ød2

4.0 - 9.9

2.0 - 129.9

d1 + 2.90

2.40

1.45

1.78

10.0 - 19.9

5.0 - 249.9

d1 + 4.50

3.60

2.25

2.62

20.0 - 39.9

5.0 - 449.9

d1 + 6.20

4.80

3.10

3.53

40.0 - 119.9

12.0 - 649.9

d1 + 9.40

7.10

4.70

5.33

120.0 - 649.9

60.0 - 999.9

d1 + 12.20

9.50

6.10

6.99

650.0 - 999.9

110.0 - 999.9

d1 + 15.00

10.00

7.50

8.40

* The codes that define the materials are set out in the materials table on the previous page.

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EXAMPLE OF CODIFICATION

STANDARD CODIFICATION

Materials ________ : Friction ring, PTFE + 60% Bronze - Code DB

________________ : NBR 70 Shore A O'Ring - Code K6

Rod diameter _____ : Ød1 = 50.00 mm

Groove diameter __ : ØD1 = 59.40 mm

Part number______ : 170. 050DBK6

Family

Rod diameter

Friction ring material*

O'Ring material*

170.

050

DB

K6

Part number -

HYDRAULIC SEALS | ROD SEALS |

BECA 170 - 179