The 1 micron resolution HCDS-051-032-013-01-B1-01 Voice Coil Stage features cross roller linear bearings whereas the 30 micron HCDS-051-032-013-01-B1-30 Voice Coil Stage uses linear ball bearings.
Source URL: Moticont introduces HCDS-051-032-013-01-B1-30 and the HCDS-051-032-013-01-B1-01 Voice Coil Stages
Source Website: Factory Automation – Automation.com