LMB243848 1 1/2 inch Linear Motion Ball BushingLMB243848: Made in Japan: NB Linear Systems Nippon Bearing Linear Systems LMB243848 1 1 2" Bore linear motion ball bushing bearing, innerdiameter(bore) is 1 1 2" inch dimensions with steel retainer, Bearing is a high accuracy grade linear bushing,series mainly used in the USA, NB brand (Nippon Bearing Linear Systems), made in Japan. Item: LMB243848 Linear Motion Ball Bushing Number of ball circuits: 6 Size: 1 1 2" x 2 3 8" x 3" inch Inner Diameter: 1