THK EK, EK-L, BK & FK Series Fixed-Side Support Units

The THK EK, EK-L, BK and FK Series Support Units are fixed-side support units designed for reliable ball screw shaft support and precise rotational performance. They incorporate preloaded angular bearings to provide high rigidity and low torque, while compact designs help simplify installation and save space.

The range includes square EK and BK models and round FK models, with versions available for THK BNK precision ball screws and general ball screws. Models cover shaft diameters from 4 to 40 mm, depending on the series.