The THK FK5 bearing unit is a housing unit for fixed bearings with an angular ball bearing and a flange design. With an inner diameter of 5mm and a weight of only 0.06 kg, it is ideal for applications where space and weight are important factors. The bearing unit features preload and a combination of FK/FF. Thanks to the labyrinth seal, it is well protected against contamination. Made of steel and equipped with lubrication, the THK FK5 bearing unit offers reliable performance. It contains 2x AC5-14 bearings in a DF arrangement for optimal load distribution.