SMC CRB1 Series Rotary Actuator Vane Type, CDRB1FWU30 270S R73L Vacuum Tweezers Portable due to contact seal Speed due to contact seal Speed capability Good Good Limited by contact seals Grease sealing effectiveness Good Better than ZZ type Slightly better than VV type Dust resistance Good Better than ZZ type (usable in moderately dusty environments) Best (usable even in very dusty environments) Water resistance Not suitable Not suitable Good (usable even if fluid is splashed on bearing) Operating temperature –10 to +110 °C –10 to +110 °C –10 to +110 °C Note (1) The above temperature range applies to standard bearings The outer ring incorporates synthetic rubber molded to a steel plate