NA 118

DIN Standards Committee Rolling Bearings and Plain Bearings

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Projects of NA 118

Number: 37

DIN ISO 17956 2024-04-26 Rolling bearings - Method for calculating the effective static safety factor for universally loaded rolling bearings More  Comment 
DIN/TR 31695 2024-04-26 Methods for predicting the frictional torque of rolling bearings More  Comment 
ISO/WD TR 25165 2024-03-18 Rolling Bearings - Method for calculating the rating life with additional consideration of surface distress More  Comment 
DIN 631 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/DIS 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/DIS 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/DIS 31657-2 2024-02-05 Plain bearings - Hydrodynamic plain journal bearings under steady-state conditions - Part 2: Characteristic values for calculation of multilobed journal bearings More  Comment 
ISO/DIS 31657-3 2024-02-05 Plain bearings - Hydrodynamic plain journal bearings under steady-state conditions - Part 3: Characteristic values for calculation of 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/DIS 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 

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