The robust RLS magnetic rings consist of a vulcanised elastoferrite layer securely attached to a steel hub. The elastoferrite layer is magnetised with 2 mm or 5 mm long alternating magnetic poles which form an incremental magnetic pattern.

Additionally, reference mark magnetic signature can be added to incremental magnetic pattern. Unique, multiple or distance coded reference marks are available.


  • Radial rings
  • Excellent dirt immunity
  • Bi-directional reference mark
  • High reliability from proven noncontact sensing technology
Configure and Buy Configure Data sheet

Product data


Available ring sizes (outer diameter)
31 mm, 31.85 mm, 40 mm, 40.7 mm, 47.5 mm, 50.10 mm, 56.5 mm, 57.3 mm, 57.5 mm, 75.4 mm, 80.3 mm, 100.5 mm, 122 mm, 161.7 mm


Operating and storage temperature
HNBR: -40 °C to +160 °C
Compliant with EU Directive 2002/95/EC
More info in Data sheet