SMC MY1H Series Mechanical Joint Rodless Cylinder, Linear Guide Type, MY1H20 150 Type_17^Cylindrical and Tapered Bore Rc (ø20 to ø25) cylinder Rc (ø20 to ø25) cylinder stroke 50 cylinder stroke 50mm adjustment options BS Forward stage absorber function options standard auto switch M9BL Solid state auto switch Specification item model symbol Specification information bearing type M plain bearing tube inner diameter 15 tube inner diameter 15mm Types of port screws M screw Rc1 8 cylinder stroke 100 cylinder stroke 100mm auto switch Without auto switch Built in magnet cylinder Auto switch additional symbol 2 with or without Custom made specifications standard