... outer ring and the two grooves on the inner ring for there bearings. Since the center of the arc raceway on ... double directions. The especial radial load carrying capability makes there bearings suitable for heavy load and shock load carrying. If you are interested in ... (NA,NK,NKI,NAV,NAO,HJ,BR,BRI)SeriesWidely used for automobile, motocycle, electrie tools, textile machines, printing machines food ...