21-CDA2

Name: SMC 21-CDA2 — 10-11-21-22-CDA2 Air Cylinder Double Acting Single Rod Clean Room
Brand: SMC

SMC 21-CDA2 — 10-11-21-22-CDA2 Air Cylinder Double Acting Single Rod Clean Room

The SMC 21-CDA2 series features CA2 tie rod linear actuators configured with copper, fluorine, and silicon-free clean series options offering low particle generation. These official catalog models support bore sizes of 40mm, 50mm, and 63mm, multiple mounting styles including basic, front flange, head side flange, and axial foot, alongside configurable strokes from 50mm to 500mm. Optional configurations include built-in magnets, various auto switch types with multiple lead wire or prewired connector lengths, and port thread choices in Rc, NPT, or G. Submit the 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 Quote

Why 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-CDA2
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-CDA2.

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

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.

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-CDA2. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.