LM12UU 12mm Linear Ball Bearing 12x21x30mm – 3D Printer – RepRap

Description: LM Series Rubber Sealed Linear Ball Bushings: Manufactured with rubber seals these linear ball bushings are characterised by their smooth movement, high rigidity and low friction, they are easy to maintain or replace and have a good life span in service. They consist of steel outer housings with sets of balls running around their own tracks within the low friction polyamide / steel inner raceways. The UU series has the benefit of rubber seals to prevent the ingress of dust and moisture. Closed: LM Closed types – the outer raceway is solid with no relief machined so clearances are preset, choose the adjustable type if you need to control clearances. Benefits: Low friction, low maintenance, rubber seal limits moisture and dirt ingress, cost effective solution Specifications: Inside Diameter dr = 12mm Tol 0 to – 6µm Outside Diameter D = 21mm Tol 0 to – 10µm Length L = 30mm Tol 0 to – 200µm What you will receive: LM12UU Bearing Picture is for illustration purposes only.