Number of Ball Circuits: 6. LM304564UUAJ Type Seals on Both Sides: Slide Bush Clearance Adjustable Made in Japan:NB Linear Systems Nippon Bearing Linear Systems LM304564UUAJ Linear Slide Bush, bearing is Seals on Both Sides and Clearance Adjustable, bearing is a high accuracy grade linear bushings, series mainly used in the USA, NB brand (Nippon Bearing Linear Systems), made in Japan. This item is in the category "Business, Office & Industrial\Industrial Automation & Motion Controls\Mechanical Power Transmission\Bearings & Bushings\Bearing & Bushing Parts\Other Bearing & Bushing Parts". The seller is "irvineman" and is located in this country: US. This item can be shipped worldwide.