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FRANKE FDI-20R-84442NV is a linear bearings units with inner diameter 20 mm, outer diameter 20.40 mm and width 23 mm. Additional specifications include seal YES and lubrication YES.
Franke FDI linear guides are equipped with vacuum-compatible needle bearings and are made almost entirely of lightweight aluminum. Special design, material and lubricants prevent outgassing in a vacuum. Rail elements can be manufactured in a length of 500 mm to 4000 mm and, on request, can also be linked endlessly. Material : Roller shoes, Rail body : aluminum, not anodised, Raceways : non-corrosive steel, Rollers : non-corrosive bearing steel, full needled. Lubricant : Lifetime-lubricated with high-vacuum suitable grease, maintenance-free. Operating temperature -20 °C to +80 °C.For all oders over $99
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