21-CBM2

Name: SMC 21-CBM2 — 10-11-21-22-CDBM2 Single Rod End Lock Clean Room
Brand: SMC

SMC 21-CBM2 — 10-11-21-22-CDBM2 Single Rod End Lock Clean Room

The SMC 21-CBM2 is an official catalog model from the CM2 Stainless Steel Cylinder series featuring the 21 Clean Series designation for copper, fluorine, and silicon-free operation with low particle generation and a relief type configuration. This unit is available in bore sizes of 20mm, 25mm, 32mm, and 40mm, with stroke lengths ranging from 25mm to 300mm and multiple mounting styles including basic, axial foot, rod side flange, and head side flange. Configure your required port thread, magnetic piston options, auto switch configurations, lead wire lengths, and quantities. Submit the exact part number, quantity, and application requirements to receive an official price and availability quote.

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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-CBM2
Product series: CM2 Stainless Steel Cylinder
Data verification: Manufacturer evidence reviewed

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Exact part-number verificationTechnical properties are matched to 21-CBM2.

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

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-CBM2. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.