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-CJ2W
SMC 21-CJ2W — 10-11-21-22-CDJ2W-Z Air Cylinder Double Acting Double Rod Clean Room
The SMC 21-CJ2W is an official catalog model from the CJ2 Small Bore Actuator series, featuring a relief type configuration that is copper, fluorine, and silicon-free with low particle generation. This unit offers bore sizes of 10mm or 16mm, strokes ranging from 15mm to 200mm, and basic, foot, or flange mounting styles with optional built-in magnets and auto switches. Submit the exact part number, quantity, and application requirements to receive a formal quotation.
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-CJ2W
- Product series
- CJ2 Small Bore Actuator
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to 21-CJ2W.
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
- CJ2 Small Bore Actuator
- 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 Magnet)
- Series
- J2W
- Mounting
- B (Basic Style), L (Foot Style), F (Flange Style)
- Bore Size
- 10mm, 16mm
- Stroke
- 15mm, 30mm, 45mm, 60mm, 75mm, 100mm, 125mm, 150mm, 175mm, 200mm
- Z
- Z
- Auto Switch
- No Switch, M9B--Solid State, Gen. Purpose, 2 Wire, Horizontal, M9BA--Solid State, Water Resist., 2 Wire, Horizontal, M9BAV--Solid State, Water Resist., 2 Wire, Vertical, 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, M9NAV--Solid State, Water Resist., 3 Wire NPN, Vertical, 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, M9PAV--Solid State, Water Resist., 3 Wire PNP, Vertical, 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
- Lead Wire or Prewired Connector
- 0.5m (Or None in the Case of No Switch), M (1m), L (3m), Z (5m)
- Number
- 2 pcs. (Or None in the Case of No Switch), 3 pcs., 4 pcs., S (1 pc.)
- Auto Switch Mounting Type
- None, B (Band Mounting)
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-CJ2W. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.