What are you looking for?

Enter search term

We are sorry!

Unfortunately no results were found.

Login

Are you a new customer?

Register and get many benefits:

Checking the product availability
Fast reordering & order history
Personal product recommendation
Payment by invoice

Help & Contact

Your direct line to us

If you have any questions about the online store or our products, you can call our customer service at:

Mon-Fri 8:00AM-5:30PM

Or use our FAQ

There you get answers to the most frequently asked questions.

Helping people help themselves
FAQs

QR 435

Quad ring 6.99x145.42 NBR 70SH
Product details for

QR 435

a
6.99 mm
Ø A
145.42 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
Rotational movements (consult us) up to 2 m/s
QR6, QR7, QR8 must be fitted into an open groove type B
Clearance:
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
Description
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

93 Results
Show dimensional drawing
Identifier
a (mm)
Ø A (mm)
Price / items

Shows 10 of 93

Column selection

a (mm)
Ø A (mm)