LM12UU Closed Linear Ball Bushing with Rubber Seals 12x21x30mm

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