BECA 080D (Bronze)

Self-lubricating composite sliding bearing in BRONZE + PTFE/Pb. Bronze alloy of particular formulation with high density as matrix. Sintered porous bronze particles as interlayer. Compound of PTFE & Pb mixture as surface layer.

Flanged bush (SF1BF), thrust washer (WC1B) and strip are possible.

Copie de BECA 080A
BECA_080A_080D_2D
BECA_080D_Image

Description

The BECA 150 - 152 - 154 profiles are single acting composite rod seals composed of a filled PTFE friction ring and pre-tightened rubber O'Ring. They can be assembled in grooves according to standard ISO 7425/2. Option of connecting the seal to a back-up ring.

Advantages

Optimal sealing in static and dynamic applications
Low friction coefficient; no stick-slip effect
Excellent abrasion and extrusion resistance
Wide temperature range and excellent chemical resistance, depending on the material selected for the O'Ring

Applications

Mobile machinery
Injection presses
Machine tools
Presses
Standard cylinders

Dimensions
Technical data

Dimensions

Installation drawingLogement Gorge joint de tige Housing Groove rod seal BECA 150 - 152 - 154

Technical data

Housing Groove Gland Rod Seal - BECA 150 - 152 - 154

Extrusion gaps

Radial section
S
Radial extrusion gap
F/2
10 MPa 20 MPa 40 MPa
2.45 0.30 0.20 0.15
3.65 0.40 0.25 0.15
5.35 0.50 0.30 0.20
7.55 0.70 0.40 0.25
10.25 0.80 0.60 0.35
12.00 0.90 0.70 0.40
13.65 1.00 0.80 0.50
19.00 1.20 0.90 0.60

Surface roughness

Roughness Dynamic surface area Static surface area Groove flanks
Ra 0.05 - 0.2 µm ≤ 1.6 µm ≤ 3.2 µm
Rz 0.40 - 1.6 µm ≤ 6.3 µm ≤ 10.0 µm
Rmax 0.63 - 2.5 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
3.65 0.30 0.60 3.00
5.35 0.30 1.00 3.00
7.55 0.30 1.30 5.00
10.25 0.30 1.80 6.00
12.00 0.30 1.80 8.00
13.65 0.30 2.50 10.00
19.00 0.30 3.00 12.00
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