BetaBetaBetaGives an R-series ball bearing by its designation: its bore, its outside diameter and its width, open or shielded.
Several sizes are wider shielded than open. Example: R8 -> 1/2 bore, 1-1/8 outside, 1/4 wide open, 5/16 shielded
The designation, whether it is shielded and the unit
The bearing's sizes in unit
The sizes of inch deep groove ball bearings of the R-series, from the miniature R1-4 to R20, with no CAD kernel needed, in the unit asked for.
occt.parts.mechanical.bearings.ansibuilds them as solids.