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QR (70° Shore NBR)

Quad ring 70SH NBR


  • quad ring 
Max. operating pressure
  • up to 150 bar, up to 400 bar with support ring 
Operating pressure
  • 150 bar
Sliding speed max.
  • 0.5 m/s
Temp. max.
  • 110 °C
Temp. min.
  • -30 °C
  • mineral oil 
  • HFA, HFB 
  • in external and internal grooves 
  • NBR 70 Shore A 
All characteristics

Product description

Rotational movements (consult us) up to 2 m/s
QR6, QR7, QR8 must be fitted into an open groove type B
a= 1.78
e max.= 0.05
a= 2.62 - 3.53
e max.=0.07
a= 5.34 - 6.99
e max.=0.1
Low spatial requirement and low friction.
Numerous applications possible in static and dynamic sectors, no distortion possible with rotational movements.
Ordering information
For special operating conditions (fluid, temperature, pressure ...) please contact us.
Alternative material possible: NBR 90, EPDM, MVQ, FPM

Product variants

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