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Backup Rings

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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 106 (1,057 results)

Used primarily as an anti-extrusion device for u-seals, these back-up rings combine high performance with very low friction. “ST” suffix designates a split ring.

PTFE Material | 1 in Nominal Inner Diameter | Backup Ring

Features

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

$7.71
/EA

Solid Teflon backup ring with a flat cross-section.

PTFE can withstand high temperatures and is compatible with nearly all fluids.

  • High temperature range
  • Deals very well with surface wear
$7.88
/EA

Solid Teflon backup ring with a flat cross-section.

PTFE can withstand high temperatures and is compatible with nearly all fluids.

  • High temperature range
  • Deals very well with surface wear
$5.77
/EA

Solid Teflon backup ring with a flat cross-section.

PTFE can withstand high temperatures and is compatible with nearly all fluids.

  • High temperature range
  • Deals very well with surface wear
$6.69
/EA

Split Teflon backup ring with a flat cross-section.

PTFE can withstand high temperatures and is compatible with nearly all fluids.

PTFE Material | 2 3/8 in Nominal Inner Diameter | 3/16 in Cross Section | Backup Ring

Features

  • High strength and abrasion resistance
  • Wide temperature range
  • Chemical resistance
  • Low friction
  • Easy installation
  • Deals very well with surface wear

$8.91
/EA

Solid Teflon backup ring with a flat cross-section.

PTFE can withstand high temperatures and is compatible with nearly all fluids.

PTFE Material | 2 1/8 in Nominal Inner Diameter | 3/16 in Cross Section | Backup Ring

Features

  • High strength and abrasion resistance
  • Wide temperature range
  • Chemical resistance
  • Low friction
  • Easy installation
  • Deals very well with surface wear

$10.90
/EA

Solid Teflon backup ring with a flat cross-section.

PTFE can withstand high temperatures and is compatible with nearly all fluids.

PTFE Material | 1 1/4 in Nominal Inner Diameter | 1/8 in Cross Section | Backup Ring

Features

  • High strength and abrasion resistance
  • Wide temperature range
  • Chemical resistance
  • Low friction
  • Easy installation
  • Deals very well with surface wear

$2.86
/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 | 80 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

$8.88
/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 | 170 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

$17.56
/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 | 95 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

$12.31
/EA
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