LMB101824 5/8 Linear Motion Ball BushingLMB101824 NB Linear System Nippon Bearing Linear System Made in Japan 5 8" Bore linear motion ball bushing bearing, the innerdiameter(bore) is 5 8" inch dimensions with steelretainer, bearing is high accuracy grade linear bushing,series mainly used in the USA, NB brand (Nippon Bearing Linear Systems), made in Japan. Item: LMB101824 NB Ball Bearing Type: Nippon Bearing Linear System Number of ball circuits: 4 Size: 5 8" x 1 1 8" x 1 1 2" inch Inner