Ball bushing guides
Precision steel shafts with shaft support rails
Bosch Rexroth precision steel shafts with shaft support rails are continuously supported shafts for ball bushing guides. The WU series support rail carries the shaft over its full length and absorbs deflection under load. The range covers sizes WU25, WU30 and WU80 in several versions (AF, AF1, AF2, AFH, AS2, SFRA) and lengths (600 and 1800 mm), each assigned by R part number.
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Buying guide
How to choose Precision steel shafts with shaft support rails
What matters when choosing: properties, comparison and typical applications.
Technical features
Typical applications
Typical applications: Continuously supported shafts are used for long travel and higher loads where an unsupported shaft would deflect too much, such as gantries, feeders and long handling axes. Selection follows shaft diameter (WU25, WU30, WU80), support version and length (600 or 1800 mm) according to load and travel. The matching ball bushing is found in the related category.