NA 118

DIN Standards Committee Rolling Bearings and Plain Bearings

About NAWGL

The DIN Standards Committee Rolling Bearings and Plain Bearings (NAWGL) has emerged from the amalgamation of the DIN Standards Committee Plain Bearings, which was founded in 1917, with the DIN Standards Committee Rolling Bearings, also founded in 1917.

Technical Committee 1 deals with the standardization of rolling bearings and its accessories of all kinds, spherical plain bearings and rod ends as well as linear motion rolling bearings. Standardization work at national level is carried out in the respective DIN committees and at international level in ISO/TC 4 "Rolling bearings".

Standardization work in the field of rolling bearings in particular deals with the subject areas listed below:

  • vocabulary;
  • product features;
  • dimensions and tolerances;
  • fittings;
  • test methods;
  • load ratings, revolution per minute and life;
  • methods of design.

Technical Committee 2 deals with the standardization of thin-walled and thick-walled plain bearings. Standardization work at national level is carried out in the respective DIN committees and at international level in ISO/TC 123 "Plain bearings".

Standardization work in the field of rolling bearings in particular deals with the subject areas listed below:

  • vocabulary;
  • dimensions and tolerances;
  • classifications of materials and lubricants;
  • methods of design and calculation of plain bearings;
  • quality analysis and assurance.

How is NAWGL composed?

Contact

DIN e. V.
Kim Ihlow

Am DIN-Platz
Burggrafenstraße 6
10787 Berlin

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New projects
Document number Begin Title
ISO/CD 22423 2025-02-03 Foil bearings - Performance testing of foil thrust bearings - Testing of static load capacity, bearing torque, friction coefficient and lifetime More  Comment 
ISO/AWI 15243 2025-01-27 Rolling bearings - Damage and failures - Terms, characteristics and causes More  Comment 
ISO/WD 5753-1 2025-01-27 Rolling bearings - Internal clearance - Part 1: Radial internal clearance for radial bearings More  Comment 

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Current Draft Standards
Document number Edition Title
DIN ISO 14728-1/A100 2025-05 Rolling bearings - Linear motion rolling bearings - Part 1: Dynamic load ratings and rating life (ISO 14728-1:2017); Amendment A100 More  Read draft and comment

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New publications
Document number Edition Procedure Title
ISO 17956 2025-01 Standard Rolling bearings - Method for calculating the effective static safety factor for universally loaded rolling bearings More  Order from DIN Media
ISO 16281 2025-01 Standard Rolling bearings - Methods for calculating the modified reference rating life for universally loaded rolling bearings More  Order from DIN Media
DIN 637 2024-12 Standard Rolling bearings - Safety regulations for dimensioning and operation of profiled rail guides with recirculating rolling elements; Text in German and English More  Order from DIN Media

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