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Modular Backup

Seals/Backup Rings
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Modular Backup | CRC Distribution Inc.
SKU: MB37-4.50-28N

MB37-4.50-28N 70 Shore D Nylon Modular Back-Ups | 4 1/2 in ID

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These back-up rings, made from urethane or nylon, are commonly used as spacers for u-seals.

$22.95 / EA
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70 Shore D Durometer | Nylon Material | 4 1/2 in Nominal Inner Diameter | Modular Back-Ups

Features

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

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Item Specifications

  • 70 Shore D
  • Nylon
  • 250 °F
  • -40 °F
  • 0.285 Inch
  • 4 1/2 Inch
  • 5 1/4 Inch
  • Unlimited
  • 3 ft/sec
  • MB
  • inch
  • 0.19 lbs per EA