SMC MHZ2 Series Air Gripper, Parallel Opening, Closing Linear Guide Parallel Type, MHZ2 40D M9NWL IREGA Specification item model symbol Specification Specification item model symbol Specification information bearing type A High precision ball bushing bearing tube inner diameter 50 tube inner diameter 50mm Types of port screws TF G cylinder stroke 50 cylinder stroke 50mm Stroke adjustment symbol doesn't exist auto switch Without auto switch (Built in magnet) ※No magnet for XB6 made to order Auto switch additional symbol 2 with or without Custom made specifications standard Reference Mechanical Grease Oil NU2212W 60 110 28 1