21-CDBM2

Name: SMC 21-CDBM2 — 10-11-21-22-CDBM2 Single Rod End Lock Clean Room
Brand: SMC

SMC 21-CDBM2 — 10-11-21-22-CDBM2 Single Rod End Lock Clean Room

The SMC 21-CDBM2 is an official catalog model within the CM2 Stainless Steel Cylinder series featuring a built-in magnet and a Clean Series 21 specification for copper, fluorine, and silicon-free construction with low particle generation. This component supports bore sizes of 20mm, 25mm, 32mm, and 40mm, various mounting styles including basic, axial foot, and flange configurations, along with multiple port thread types and stroke lengths ranging from 25mm to 300mm. Additional options include configurable auto switches with specific lead wire lengths, connector types, and mounting brackets. Submit the exact part number, quantity, and application requirements to receive a formal quotation.

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Manufacturer: SMC
Part number: 21-CDBM2
Product series: CM2 Stainless Steel Cylinder
Data verification: Manufacturer evidence reviewed

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Exact part-number verificationTechnical properties are matched to 21-CDBM2.

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: CM2 Stainless Steel Cylinder
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)
BM2: BM2
Mounting: B (Basic Style), L (Axial Foot Style), F (Rod Side Flange Style), G (Head Side Flange Style)
Bore Size: 20mm, 25mm, 32mm, 40mm
Port Thread: Rc, TN (NPT), TF (G)
Stroke: 25mm, 50mm, 75mm, 100mm, 125mm, 150mm, 200mm, 250mm, 300mm
HN: HN
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, M9P--Solid State, Gen. Purpose, 3 Wire PNP, Horizontal, M9PA--Solid State, Water Resist., 3 Wire PNP, 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, 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), 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.)
Auto Switch Mounting Bracket: None, C (Auto Switch Mounting Bracket)

Engineering context

Identification and RFQ Guidance

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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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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-CDBM2. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.