SMK20GW 20mm Slide Bush Bushings Miniature Motion Linear Bearing Inner Diameter - 4mm SMR74ZZ bearing is shielded and

SMR74ZZ bearing is shielded and self lubricated

LB35UU Bearing

SMS8G-P bearing is a Precision accuracy grade Miniature linear bushings

Dynamic load rating Cr: 813 N

SMK20GW 20mm Slide Bush Bushings Miniature Motion Linear Bearing Inner Diameter - 4mm SMR74ZZ bearing is shielded andSMK20GW Square Flange Double wide Slide Bush Made in Japan: NB Linear Systems Nippon Bearing Linear Systems SMK20GW Square Double wide Linear Slide Bush, The retainer material is resin, series mainly used in the USA, NB brand (Nippon Bearing Linear Systems), Made in Japan. SMK20GW Bearing Linear Slide Bush Retainer Material: Resin Bearing Inner Diameter: 20mm Quantity: 1 Bearing Dynamic load rating Cr: 1400 N Static load rating Cor: 2740 N Major