Bearings for ball screw drives

Always the best bearing solution

For screw drives, the bearing of the threaded spindle is most important for the kind of use. The RODRIGUEZ® modular design system provides best possible bearing solutions for your application.

Double row bearings, like the bearings of the series DRF/DRN of Rodriguez are always a good solution if you need the highest dynamic und precision f.ex. in the main axis of machine tools. DRF/DRN are double row high precision bearings with 60° contact angle. They can absorb radial as well as axial loads in both directions and due to high runout accuracy and high stiffness these bearings guarantee precise positioning and repeatability. The bearings can be offered with and without fixing holes in the outer ring.

SFT support units are developed for the use in transport ball screws. The bearing units and flange bearings are robust, precise and most cost-effective. The preloaded angular contact bearings are installed in a solid steel housing with a contact angle of 30°, 45 ° or 60°.
Thereby a good stiffness and precision is guaranteed. Depending on the application, bearing units can be supplied in block or flange design. In addition, the customer can choose between floating bearings, provided with double sealed standard bearings, and fixing bearing units.

Spindle roller bearings like the SRB-bearings from the Rodriguez modular design system are used when maximum rigidity and durability are most important – f.ex. in precision balls screws in machine tool applications. The bidirectional operating high precision needle-axial cylinder roller bearings are compact and absorb high axial and radial loads. Their special bearing design where the outer ring faces are acting as raceways in both axial directions and are centred on the inner ring, guarantees high precision and stiffness combined with compact bearing dimensions.