SMC CRB2 Series Rotary Actuator Vane Type,CDRB2BW15 180SZ 90L junghwa Cr C0r Grease Oil Y2 Cr C0r Grease Oil Y2 Y3 Y0 1208 40 80 18 1 Specification item model symbol Specification information With auto switch D With auto switch Mounting support type B Basic type (with bosses on both sides) tube inner diameter 20 tube inner diameter 20mm cylinder stroke 50 cylinder stroke 50mm how it works T single acting retract Rod end screw shape rod end male thread rocking support bracket no metal fittings rod end bracket no metal fittings auto switch Without auto switch Auto switch additional symbol 2 with or without Custom made specifications standard