NOK USH 25 Hydraulic U-Cup Seal Specifications:
- Dimensions: Inside Diameter (ID) = 25 mm | Outside Diameter (OD) = 33 mm | Cross-Section Height (H) = 5 mm
- Profile & Function: Symmetrical U-cup cross-section engineered for dual-purpose sealing on both reciprocating hydraulic cylinder piston rods and cylinder bores
- Material: Molded from high-grade Nitrile Rubber (NBR, $-20^\circ\text{C}$ to $+100^\circ\text{C}$) or Fluoroelastomer (FKM, up to $+220^\circ\text{C}$) providing extreme mineral oil resistance and low friction in injection molding machines, presses, and hydraulic jacks.
