TRK30UUE NB 30mm Slide Bush Bushings Motion Linear Bearing Inner Diameter - 3 7/16 inch (3.4375") Fits American Classic Micro 58

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TRK30UUE NB 30mm Slide Bush Bushings Motion Linear Bearing Inner Diameter - 3 7/16 inch (3.4375") Fits American Classic Micro 58TRK30UUE NB Triple Wide Square Flange Pilot End Slide Bush Made in Japan: NB Linear Systems TRK30UUE NB Triple Wide Square Flange Pilot End Type Miniature Slide Bush, The retainer material is steel, It is seals on both sides, series mainly used in the USA, NB brand (Nippon Bearing Linear Systems), Made in Japan. TRK30UUE NB Bearing Linear Slide Bush Bearing Inner Diameter: 30mm Retainer Material: steel Quantity: 1 Bearing Dynamic Load Rating Cr: 2490