NA 118

DIN Standards Committee Rolling Bearings and Plain Bearings

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Projects of NA 118

Number: 33

ISO/AWI TR 25165 2024-03-18 Rolling Bearings - Method for calculating the rating life with additional consideration of surface distress More  Comment 
DIN 631-1 2024-02-12 Rolling bearings - Testing conditions for the experimental verification of the dynamic load rating of ball carriage or roller carriage profiled rail guides More  Comment 
ISO/CD 31657-2 2024-02-05 Plain bearings - Hydrodynamic plain journal bearings under steady-state conditions - Part 2: Functions for calculation of multi-lobed journal bearings More  Comment 
ISO/CD 31657-1 2024-02-05 Plain bearings - Hydrodynamic plain journal bearings under steady-state conditions - Part 1: Calculation of multi-lobed and tilting pad journal bearings More  Comment 
ISO/CD 31657-3 2024-02-05 Plain bearings - Hydrodynamic plain journal bearings under steady-state conditions - Part 3: Functions for calculation of tilting pad journal bearings More  Comment 
ISO/CD 31657-4 2024-02-05 Plain bearings - Hydrodynamic plain journal bearings under steady-state conditions - Part 4: Permissible operational parameters for calculation of multi-lobed and tilting pad journal bearings More  Comment 
ISO/CD 12301 2023-10-19 Plain bearings - Quality control techniques and inspection of geometrical and material quality characteristics More  Comment 
ISO/CD 7148-2 2023-10-19 Plain bearings - Testing of the tribological behaviour of bearing materials - Part 2: Testing of polymer-based bearing materials More  Comment 
ISO/CD 4383 2023-10-19 Plain bearings - Multilayer materials for thin-walled plain bearings More  Comment 
ISO/CD 7148-1 2023-10-19 Plain bearings - Testing of the tribological behaviour of bearing materials - Part 1: Testing of bearing metals More  Comment 

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