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.

• Item Name: TK20 NB Bearing
• Type: NB Linear System Ball Bushing
• Shaft Diameter: 20mm
• Ball circuit: 6
• Dynamic Load Rating: 2090 N
• Static Load Rating: 2630 N