TK20 NB Self Aligning 20mm Ball Bushings Linear Motion
TK20 NB TopBall Linear Systems Bearing
20mm Inner Diameter
Made in Japan
TK20 NB 20mm Bore Standard TopBall type linear motion ball bushings bearings, inner diameter(bore) is 20mm dimensions with built-in seals, the Topball slide bush is a high performance bushing with three times the load capacity, capable of providing up to 27 times normal travel life of a conventional slide bushing, high accuracy grade linear bushings, series mainly used in the USA, NB brand (Nippon Bearing Linear Systems), made in Japan.