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SMC 21-CDJ2W SMC 21-CDJ2W — 10-11-21-22-CDJ2W-Z Air Cylinder Double Acting Double Rod Clean Room
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SMC

21-CDJ2W

SMC 21-CDJ2W — 10-11-21-22-CDJ2W-Z Air Cylinder Double Acting Double Rod Clean Room

The SMC 21-CDJ2W is an official catalog model within the CJ2 Small Bore Actuator series, featuring a Series 21 clean configuration specified as a relief type with copper, fluorine, and silicon-free construction plus low particle generation. This dual-acting unit is available in bore sizes of 10mm or 16mm, stroke lengths ranging from 15mm to 200mm, and mounting configurations in basic, foot, or flange styles with optional built-in magnets and various solid-state or reed auto switch specifications. Submit your exact part number, quantity, and application requirements to request a quote for this SMC component.

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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-CDJ2W
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-CDJ2W.
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

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-CDJ2W. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.