SMC CRQ2 Series Compact Rotary Actuator, Rack and Pinion Type, CDRQ2BS30 90C M9BL Stroke_19^300mm Specification item model symbol Specification Specification item model symbol Specification information With auto switch D With auto switch Mounting support type D Double clevis type tube inner diameter 16 tube inner diameter 16mm cylinder stroke 50 dual stroke mark No dual stroke mark cylinder stroke 2 Cylinder stroke 2 None Cylinder additional symbol rubber cushion Port location on head cover 90° about axis 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 Auto switch mounting type B band attached Custom made specifications standard NTN Deep Groove Ball Bearings 6021ZZC3