Myth: Rack and pinions are old technology that only offers low precision. In fact, rack and pinions are an old technology, but that isn't a drawback. First, not all applications require high precision ...

Roller-pinion systems are a better option than rack and pinions where accuracy and a minimum of friction are important. • Roller pinions can provide accurate positioning up to ±30 µm (±0.00118 in.) • ...