S1=(Segment Heat Stab., Code 1)=Bearing Rings Or Washers Dimensionally Stabilized For Use At Operating Temperatures Up To +200°C (392°F). R250-350=Radial Clearance In µm.
Inner (d) Inch
Outer (D) Inch
Width (B) Inch
Description from Medias
Deep groove ball bearings 63, main dimensions to DIN 625-1