IKO RNA 49/28U bearing

Series, Type, Caged needle roller bearings, Guide roller bearins. Without inner ring, with inner ring, Without inner ring, With inner ring. Metric, Dimension series 49. Dimension series 69. Dimension series 48. Heavy duty. Light duty, RNA 49. RNA 69. RNA 48. TR TAF, NA 49. NA 69. NA 48. TRI TAFI, GTR, GTRI. Inch, BR