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Back-ups

Back-up rings are installed together with o-rings or other accompanying seals to prevent gap extrusion in sealing applications. They are available in a spiral, split, or solid design.

Seals/Backup Rings 
Viewing Page 1 of 1 (8 results)
Teflon Backup Ring | CRC Distribution Inc.

Commonly used with metric o-rings, these back-up rings are made of virgin PTFE unless suffix specifies otherwise.

PTFE Material | 130 MM Nominal Inner Diameter | 5 MM Cross Section | Backup Ring

Features

  • High strength and abrasion resistance
  • Wide temperature range
  • Chemical resistance
  • Low friction
  • Easy installation

$13.64
/EA
Teflon Backup Ring | CRC Distribution Inc.

Commonly used with metric o-rings, these back-up rings are made of virgin PTFE unless suffix specifies otherwise.

PTFE Material | 135 MM Nominal Inner Diameter | 2.5 MM Cross Section | Backup Ring

Features

  • High strength and abrasion resistance
  • Wide temperature range
  • Chemical resistance
  • Low friction
  • Easy installation

$14.38
/EA
Urethane Backup Ring | CRC Distribution Inc.

Backup rings are used in sealing and are designed to limit o-ring clearance gaps. They are used in high-pressure sealing situations.

95A Durometer | Urethane Material | 130 MM Nominal Inner Diameter | 5 MM Cross Section | Backup Ring

Features

  • High strength and abrasion resistance
  • Wide temperature range
  • Chemical resistance
  • Low friction
  • Easy installation

$3.68
/EA
Nylon Backup Ring - Split | CRC Distribution Inc.

Hard nylon back-up rings for use with U-seals.

Nylon Material | 120 MM Nominal Inner Diameter | 10 MM Cross Section | U-Seal Back-Up Ring

Features

  • High strength and abrasion resistance
  • Wide temperature range
  • Chemical resistance
  • Low friction
  • Easy installation

$17.23
/EA
Nylon Backup Ring - Split | CRC Distribution Inc.

Hard nylon back-up rings for use with U-seals.

Nylon Material | 130 MM Nominal Inner Diameter | 5 MM Cross Section | U-Seal Back-Up Ring

Features

  • High strength and abrasion resistance
  • Wide temperature range
  • Chemical resistance
  • Low friction
  • Easy installation

$12.34
/EA
Urethane Backup Ring | CRC Distribution Inc.

Backup rings are used in sealing and are designed to limit o-ring clearance gaps. They are used in high-pressure sealing situations.

95A Durometer | Urethane Material | 135 MM Nominal Inner Diameter | 2.5 MM Cross Section | Backup Ring

Features

  • High strength and abrasion resistance
  • Wide temperature range
  • Chemical resistance
  • Low friction
  • Easy installation

$2.90
/EA
Bronze-filled Teflon Backup - Split | CRC Distribution Inc.

Filled PTFE back-up rings primarily used with U-seals.

Bronze Filled PTFE Material | 120 MM Nominal Inner Diameter | 10 MM Cross Section | U-Seal Back-Up Ring

Features

  • High strength and abrasion resistance
  • Wide temperature range
  • Chemical resistance
  • Low friction
  • Easy installation

$46.87
/EA
Bronze-filled Teflon Backup - Split | CRC Distribution Inc.

Filled PTFE back-up rings primarily used with U-seals.

Bronze Filled PTFE Material | 125 MM Nominal Inner Diameter | 7.5 MM Cross Section | U-Seal Back-Up Ring

Features

  • High strength and abrasion resistance
  • Wide temperature range
  • Chemical resistance
  • Low friction
  • Easy installation

$44.47
/EA