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Draft of Egyptian standard ES 4986-1 “Rolling bearings — Internal clearance — Part 1: Radial internal clearance for radial bearings" 


Egypt
TBT
2025-01-10
2025-03-11

This draft of Egyptian standard specifies values of radial internal clearance for:

  • Radial contact groove ball bearings, except those for insert bearings
  • Double-row self-aligning ball bearings
  • Cylindrical roller bearings
  • Needle roller bearings, except drawn cup needle roller bearings
  • Toroidal roller bearings
  • Double-row self-aligning roller bearings.

It gives clearance values for all six types of bearing with cylindrical bore and also for double-row self-aligning ball bearings, cylindrical roller bearings, toroidal roller bearings and double-row self-aligning roller bearings with tapered bore.

Worth mentioning is that this draft standard adopts the technical content of ISO 5753-1:2009 (confirmed in 2021)


G/TBT/N/EGY/511
原文文档   翻译文档

21.100.20 - Rolling bearings

Quality requirements (TBT)

Rolling bearings (ICS code(s): 21.100.20)

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