SMC CRBU2 Series Free Installation Rotary Actuator Vane TypeCRB2BW40 90SEZ Ball Hex Key Set Magic Ring exhibition stand construction exhibition stand construction Specification item model symbol Specification information With auto switch D With auto switch form pneumatic type Mounting support type B Basic type (with bosses on both sides) tube inner diameter 40 tube inner diameter 40mm Types of port screws Rc cylinder stroke 50 cylinder stroke 50mm cushion A air cushion Rod end screw shape rod end male thread with bellows doesn't exist auto switch Without auto switch Auto switch additional symbol 2 with or without Custom made specifications standard