Confirm the exact configuration
Use the manufacturer part number and model code—not appearance alone. Connection, size, material, voltage, pressure, seal, and control options can differ within the same product family.
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SMC
21-CA2
SMC 21-CA2 — 10-11-21-22-CDA2 Air Cylinder Double Acting Single Rod Clean Room
The SMC 21-CA2 is an official catalog model of CA2 Tie Rod Linear Actuators featuring the 21 clean series designation with copper, fluorine, and silicon-free construction plus low particle generation. This linear actuator is available in bore sizes of 40mm, 50mm, and 63mm, with stroke options ranging from 50mm to 500mm, Rc, NPT (TN), or G (TF) port threads, and basic, front flange, head side flange, or axial foot mountings. Optional configurations include built-in magnets, solid-state or reed auto switches with various lead wire lengths, prewired connectors, and quantities. Please submit your exact part number, quantity, and application requirements to request a quote.
Request pricing and availabilityCommercial response within one business day for your destination and required quantity.
Request a QuoteWhy no listed price?
Industrial and obsolete parts are priced per enquiry: the final price depends on available stock, condition, quantity, and your delivery destination, so a fixed list price would be misleading. Request a quote and we confirm current pricing, lead time, and sourcing options — including hard-to-find and discontinued SMC references — within one business day.
- Manufacturer
- SMC
- Part number
- 21-CA2
- Product series
- CA2 Tie Rod Linear Actuators
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to 21-CA2.
Worldwide sourcingSupport for planned and urgent industrial requirements.
Manufacturer documentationA document is added when the reviewed source provides one.
Verified configuration
Technical Specifications
- Product Series
- CA2 Tie Rod Linear Actuators
- Configuration Status
- Official catalog model
- Clean Series
- 10 (Relief Type), 11 (Vacuum Suction Type), 21 [Relief Type (Copper, Fluorine and Silicon-free + Low Particle Generation)], 22 [Vacuum Suction Type (Copper, Fluorine and Silicon-free + Low Particle Generation)]
- -
- -
- C
- C
- Magnet
- None, D (Built-in)
- Series
- A2 (Standard)
- Mounting
- B (Basic Style), F (Front Flange), G (Head Side Flange), L (Axial Foot)
- Bore Size
- 40mm, 50mm, 63mm
- Port Thread
- Rc, TN (NPT), TF (G)
- Stroke
- 50mm, 75mm, 100mm, 125mm, 150mm, 200mm, 250mm, 300mm, 350mm, 400mm, 450mm, 500mm
- Auto Switch
- No Switch, M9B--Solid State, Gen. Purpose, 2 Wire, Horizontal, M9BA--Solid State, Water Resist., 2 Wire, Horizontal, M9BV--Solid State, Gen. Purpose, 2 Wire, Vertical, M9BW--Solid State, 2-color Indication, 2 Wire, Horizontal, M9BWV--Solid State, 2-color Indication, 2 Wire, Vertical, M9N--Solid State, Gen. Purpose, 3 Wire NPN, Horizontal, M9NA--Solid State, Water Resist., 3 Wire NPN, Horizontal, M9NV--Solid State, Gen. Purpose, 3 Wire NPN, Vertical, M9NW--Solid State, 2-color Indication, 3 Wire NPN, Horizontal, M9NWV--Solid State, 2-color Indication, 3 Wire NPN, Vertical, M9P--Solid State, Gen. Purpose, 3 Wire PNP, Horizontal, M9PA--Solid State, Water Resist., 3 Wire PNP, Horizontal, M9PV--Solid State, Gen. Purpose, 3 Wire PNP, Vertical, M9PW--Solid State, 2-color Indication, 3 Wire PNP, Horizontal, M9PWV--Solid State, 2-color Indication, 3 Wire PNP, Vertical, A90--Reed, AC Volt, Horizontal, A90V--Reed, DC Volt, AC Volt, Vertical, A93--Reed, DC Volt, AC Volt, LED, Horizontal, A93V--Reed, DC Volt, AC Volt, LED, Vertical
- Lead Wire or Prewired Connector
- 0.5m (Or None in the Case of No Switch), M (1m), L (3m), Z (5m), SC (0.3m Cord Length, M12-4 Pin Connector, 3 & 4 Out), SAPC (0.5m Cord Length, M8-3 Pin Connector), SBPC (0.5m Cord Length, M8-4 Pin Connector), SDPC (0.5m Cord Length, M12-4 Pin Connector), MAPC (1.0m Cord Length, M8-3 Pin Connector), MBPC (1.0m Cord Length, M8-4 Pin Connector), MDPC (1.0m Cord Length, M12-4 Pin Connector)
- Number
- 2 pcs. (Or None in the Case of No Switch), 3 pcs., 4 pcs., S (1 pc.)
Engineering context
Identification and RFQ Guidance
What to include in your RFQ
Provide quantity, delivery country and ZIP/postal code, required condition, target date, and photographs of the existing nameplate when available.
Technical verification
Our sourcing response is prepared against SMC 21-CA2. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.