ZC 188 Friction Hinge Series

ZC-188-Family-friction-hinge
Here is the life test information (click the image to open the full PDF):
ZC 188 Friction Hinge Life Cycle Test Information - Torqmaster
Hinge FamilyTorque Range Balanced or Unbalanced (Left or Right)Applications
ZC – 188 Series4 to 8 in.- lb. BalancedLCD screens, medical screens and devices, electronics, automotive interiors, etc.