QUALITY & EXPERTISE FOR YOUR SEALING NEEDS



DESCRIPTION

The BECA 477 profile is a

single acting wiper seal with a

polyurethane metal insert.



ADVANTAGES

Tight and precise fitting in the housing

Very good external wiping effect

Excellent abrasion and wear resistance



APPLICATIONS

Agriculture

Mobile machinery

Material handling - Lifting

Hydraulic cylinders



MATERIALS

Profiled seal

PU 94 Shore A - White

Metal cage

Steel

Other grades of materials are available.

Please contact our experts.



TECHNICAL DATA

Temperature

-30°C / +110°C

Speed

1 m/s

Media

Mineral hydraulic oils

The figures above indicate the maximum values and may not be cumulated. They may be

developed, depending on the materials used.



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



CHAMFER

The chamfer length as well as the chamfer angle are determined by the rod seal.

WIPER SEALS

BECA 477

HYDRAULIC SEALS | WIPER SEALS |

BECA 477