LBB32 2 inch Linear Motion Ball BushingLBB32: Made in Japan: NB Linear Systems Nippon Bearing Linear LBB32 NB Systems Linear Motion Ball Bushing, 2" Bore linear motion ball bushing bearing, the inner diameter(bore) is 2" inch dimensions with a resin retainer bearing is high accuracy grade linear bushing NB brand (Nippon Bearing Linear Systems) made in Japan. Item Number of ball circuits Dimensions Inches Eccentricity radial clearance basic load rating dr D L B W D1 inch tolerance inch mm