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Standard Backup Ring - Hytrel

SKU: 573-351

573-351 55D Hytrel Backup Ring | 4 3/4 in ID 3/16 in CS

Hytrel backup ring with a flat cross-section.

Molded of 55D Durometer Hytrel, these back-up rings provide excellent extrusion resistance and tolerance to fluids such as phosphate esters, hydraulic oil and water. Stretched for installation, they return quickly to their original size for easy installation.

$3.67 / EA

55D Durometer | Hytrel Material | 4 3/4 in Nominal Inner Diameter | 3/16 in Cross Section | Backup Ring

Features

  • Improved extrusion resistance compared to standard FKM or NBR backups
  • Can be stretched over larger diameters and will return quickly to their original size
  • High strength and abrasion resistance
  • Wide temperature range
  • Chemical resistance
  • Low friction
  • Easy installation

Item Specifications

  • Orange
  • 3/16 Inch
  • 55D
  • Hytrel - 55D
  • Hytrel
  • 275 °F
  • -65 °F
  • 0.07 Inch
  • 4 3/4 Inch
  • 5 1/8 Inch
  • Varies According to Diametral Clearance
  • Solid
  • 573
  • 0.07 inch
  • ±0.006
  • inch
  • 0.01 lbs per EA