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-CDJ2RA
SMC 21-CDJ2RA — 10-11-21-22-CDJ2RA-Z Air Cylinder Direct Mount Clean Room
The SMC 21-CDJ2RA is an official catalog model within the CJ2 Small Bore Actuator series featuring the Series 21 clean configuration with relief type, copper, fluorine, and silicon-free construction, and low particle generation. Available in 10mm and 16mm bore sizes with stroke options ranging from 15mm to 200mm, this unit supports optional built-in magnets and various head cover port locations including axial direction or perpendicular to axis. Configure your required auto switch types, lead wire lengths, and quantities to submit your exact specifications for a formal 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-CDJ2RA
- 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-CDJ2RA.
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
- J2RA
- Bore Size
- 10mm, 16mm
- Stroke
- 15mm, 30mm, 45mm, 60mm, 75mm, 100mm, 125mm, 150mm, 175mm, 200mm
- Head Cover Port Location
- Perpendicular to Axis, R (Axial Direction)
- 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-CDJ2RA. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.