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CJ2 Series Miniature Stainless Steel Air Cylinder CJ2 Series Miniature Stainless Steel Air Cylinder CJ2 Series Miniature Stainless Steel Air Cylinder CJ2 Series Miniature Stainless Steel Air Cylinder

CJ2 Series Miniature Stainless Steel Air Cylinder

  • CJ2B cylinder
  • CJ2B miniature air cylinder
  • SMC stainless steel mini cylinder
  • double-acting pneumatic cylinder
  • compact round body cylinder
  • SMC CDJ2B auto-switch cylinder
  • small bore pneumatic cylinder
  • corrosion resistant air cylinder
  • SMC CJ2B for automation
  • miniature single rod cylinder
The SMC type CJ2B Series is a high-performance miniature pneumatic air cylinder designed for compact, precision linear motion in modern automation systems. Engineered to SMC’s global quality standards, this round-body cylinder features a durable stainless steel tube and piston rod for exceptional corrosion resistance and long service life in diverse industrial environments.


  • Action Type: Standard double-acting, single rod design; also available in single-acting (spring return/extend) variants

  • Bore Sizes: 6mm, 10mm, 16mm; standard strokes 15–200mm (bore-dependent)

  • Body Material: SUS304 stainless steel cylinder body & piston rod, NBR seals

  • Cushioning: Standard rubber bumper cushion (ø6 only) for smooth end-position deceleration

  • Pressure Rating: Operating pressure 0.1–0.7MPa (double-acting); 0.15/0.25MPa min (single-acting)

  • Temperature Range: -10°C to +60°C (with auto-switch); -10°C to +70°C (without auto-switch)

  • Speed Range: Piston speed 50–750mm/s; non-lubricated operation (ISOVG32 oil optional)

  • Port Size: M5×0.8 metric threaded ports; radial/axial piping options

  • Mounting Flexibility: Basic (B), foot, front flange, double clevis, and rod-end bracket mounts

  • Auto-Switch Compatible: Built-in slots for SMC magnetic sensors (CDJ2B variant with built-in magnet)

  • Compact Design: Slim round profile for space-constrained installations


Applications

Perfect for precision positioning, small-part transfer, clamping, ejecting, sorting, and micro-assembly—ideal for electronics, packaging, medical devices, and small-scale automation machinery where space and reliability are critical.


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