Lubrication
Journal bearings
Grades (quality)
Tolerances of position
Plain bearings
Shafts (rotating)
Horizontal
Form tolerances
Roughness (surface)
Axial-thrust bearings
Collars (mechanical components)
Vertical
Designations
Accuracy
Dimensional tolerances
Bearings
Flanges
Link: BS ISO 12129-1:2019 Plain bearings. Tolerances Fits
Source: BSI Standards
