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QR 445

Quad ring 6.99x202.57 NBR 70SH
Product details for

QR 445

a
6,99 mm
Ø A
202,57 mm

Characteristics

Max. sliding velocity
  • 0.5 m/s
Installation
  • in external and internal grooves 
Construction type
  • quad ring 
Material
  • NBR 70 Shore A 
Max. working pressure
  • up to 150 bar, up to 400 bar with support ring 
Media
  • mineral oil 
  • Hydraulic fluids HFA, HFB 
Temp. max.
  • 110 °C
Temp. min.
  • -30 °C
Working pressure
  • 150 bar
Customs tariff number
  • 40169300 
All characteristics

Product description

Notes
Mouvements rotatifs (nous demander conseil) jusqu'à 2 m/s
QR6, QR7, QR8 doivent être montés dans une rainure ouverte de type B
Jeu:
a = 1,78 ; e maxi = 0,05
a = 2,62 - 3,53 ; e maxi = 0,07
a = 5,34 - 6,99 ; e maxi = 0,1
Description
Faible encombrement et peu de frottements.
Nombreuses possibilités d'application en statique et en dynamique, torsion impossible en cas de mouvements rotatifs.
Ordering information
Consultez-nous en cas de conditions d'utilisation particulières (fluide, température, pression, etc.).
Autres matériaux disponibles: NBR 90, EPDM, MVQ, FPM

Product variants

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