The SMC MGPM32-75Z is a compact guided pneumatic cylinder from SMC’s MGP series, configured as the MGPM slide-bearing type with a 32 mm bore and 75 mm stroke. This model is widely used in automation equipment where a standard cylinder alone is not enough because the application requires better resistance to side load, improved anti-rotation performance, and stable linear guidance for attached tooling or fixtures. Distributor listings for the exact part number confirm the key configuration: 32 mm bore, 75 mm stroke, and slide bearing / guided cylinder structure.
Within the MGP platform, SMC positions the MGPM series as the slide-bearing version, intended for compact guided motion in applications such as pushers, lifters, stoppers, and transfer mechanisms. The MGP catalog also highlights the updated “Z” generation design advantages, including reduced weight, shorter guide rod projection, and equivalent rigidity/performance relative to the previous generation, while keeping mounting dimensions compatible.
A key point for engineering use is the product weight. In SMC’s MGP weight table for the standard type, the MGPM (slide bearing) basic weight at bore size 32 mm and stroke 75 mm is listed as 2.22 kg. This is the most relevant catalog value for mechanical design, moving-mass calculations, and BOM planning for the base cylinder assembly.
Product Weight and Core Specifications
Product Weight
The basic weight of SMC MGPM32-75Z is 2.22 kg (MGPM slide-bearing type, 32 mm bore, 75 mm stroke), according to SMC’s standard weight table for the MGP series.
Specification Summary Table
| Item | Specification / Description |
|---|---|
| Product Model | SMC MGPM32-75Z |
| Series | MGP Series (Compact Guide Cylinder) |
| Type | MGPM (Slide Bearing Type) |
| Bore Size | 32 mm |
| Stroke | 75 mm |
| Action | Double acting |
| Fluid | Compressed air |
| Proof Pressure | 1.5 MPa |
| Max. Operating Pressure | 1.0 MPa |
| Min. Operating Pressure | 0.1 to 0.12 MPa (series table range by size) |
| Ambient / Fluid Temperature | -10 to 60°C (no freezing) |
| Piston Speed | 50 to 400 / 500 mm/s (series table range by size) |
| Cushion | Rubber bumper on both ends |
| Lubrication | Not required (non-lube) |
| Product Net Weight | 2.22 kg |
These operating values are from the SMC MGP series catalog specification table and the MGP weight table. Exact model identity (32 mm × 75 mm MGPM guided cylinder) is additionally reflected in industrial distributor listings.
Product Structure and Functional Positioning
The MGPM32-75Z belongs to a class of guided cylinders designed for jobs where a normal rod cylinder may struggle with offset loads or tool mounting stability. A standard air cylinder can create linear thrust, but once you mount a plate, pusher, or bracket on the rod side, the mechanism often experiences side force and moment load. The MGP design solves that problem by integrating guide rods and a guided plate structure, allowing the cylinder to push or position components while maintaining alignment under lateral load conditions. SMC explicitly describes the MGP series as suitable for applications where lateral load and shock can be applied, and identifies the MGPM version as the slide-bearing type.
For the MGPM variant specifically, the slide bearing design is generally chosen when the machine needs:
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stable guided motion,
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compact dimensions,
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practical cost control,
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and smooth operation for pushing or lifting tasks.
SMC’s catalog language for the MGPM series notes that the slide-bearing type is suitable for pushers and lifters and for minimizing plate displacement in guided motion applications. This is one of the reasons MGPM cylinders are commonly used in parts handling stations, stopper units, transfer pushers, and small lift tables in automated production equipment.
Why the 32 mm Bore and 75 mm Stroke Combination Is Useful
The 32 mm bore is a practical mid-range size in the MGP family. It offers substantially more thrust and rigidity than smaller guided cylinders while remaining compact enough for use in machine modules with limited installation space. The 75 mm stroke is also a common travel length for automation tasks such as:
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pushing parts from one fixture position to another,
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lifting or positioning trays,
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extending a stop plate,
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or driving a small transfer motion.
SMC’s stroke variation table for the MGP series shows that 75 mm is a standard stroke for the 32 mm bore size, which makes MGPM32-75Z a standard catalog configuration rather than a special build. That matters for sourcing, replacement planning, and lead-time reliability.
In practical machine design, the 32 × 75 combination is often selected when engineers need a balanced setup: enough stroke to complete transfer motion, enough bore size to handle load and friction margin, and enough guide support to avoid binding under off-center tooling loads.
Weight, Handling, and Design Implications
The 2.22 kg basic weight is an important engineering parameter for this model. In many automation systems, the guided cylinder itself becomes a moving component, especially in:
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gantry tooling,
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indexing modules,
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compact machine slides,
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and end-of-arm pneumatic fixtures.
In these scenarios, total moving mass directly affects acceleration, cycle time, support structure sizing, and long-term wear on upstream mechanisms. Using the SMC catalog’s basic weight value helps ensure accurate early-stage calculations before accessories are added. If the final assembly includes switches, mounting brackets, custom plates, shock accessories, or fittings, the installed mass will be higher than the base 2.22 kg.
This is also where the MGP-Z generation design improvements are relevant. SMC notes weight reduction and shortened guide rod geometry in the newer MGP series generation, while maintaining equivalent strength and rigidity performance compared with the earlier design. That can be useful when optimizing machine envelope size and moving inertia without changing the overall mounting concept.
Operating Characteristics and Integration Value
The MGP series specification table in the SMC catalog lists the core pneumatic conditions for the platform, including:
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proof pressure: 1.5 MPa,
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maximum operating pressure: 1.0 MPa,
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ambient/fluid temperature: -10 to 60°C (non-freezing),
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rubber bumper cushioning,
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and non-lubricated operation.
These are standard and useful industrial values that make the MGPM32-75Z straightforward to integrate into conventional plant air systems with normal FRL preparation and directional valve control.
SMC also states that lubrication is not required, which simplifies maintenance practice in many OEM machines. For production equipment builders, this reduces commissioning complexity and avoids unintended lubrication mismatch issues. As with most pneumatic actuators, consistent air quality and proper filtration remain important for service life and repeatability.
Typical Application Scenarios
| Application | Why MGPM32-75Z Fits |
|---|---|
| Stopper mechanisms | Guided plate structure resists side load and impact better than a simple rod cylinder |
| Pusher units | Slide-bearing design is suitable for smooth push motion and stable alignment |
| Lifting/positioning modules | Compact body with guided motion supports small fixtures and plates |
| Transfer stations | 75 mm stroke is a common travel length for part relocation tasks |
| Assembly tooling | Anti-rotation guidance helps maintain repeatable positioning under offset load |
These use cases align with SMC’s positioning of the MGP series for lateral-load applications and with the MGPM slide-bearing profile for push/lift style motion.
Selection and Engineering Considerations
When specifying the SMC MGPM32-75Z, engineers should pay attention to more than just bore and stroke. The guided cylinder format improves side-load resistance, but final performance still depends on the attached tooling and load conditions. In practice, you should validate:
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Load direction and eccentricity
Off-center loading creates moments on the guide section. Even guided cylinders have load limits, and these should be checked against the actual bracket and payload design. SMC’s MGP catalog includes model selection guidance and load charts for this purpose. -
Operating speed and shock
The MGP series uses rubber bumper cushioning on the standard type. If the application has high impact at stroke ends, speed control and shock mitigation should be addressed during commissioning. The MGPM type is often used as a stopper, so this point is especially important. -
Mounting and space planning
One practical benefit of the MGP-Z generation is reduced guide rod projection and equivalent mounting dimensions. This helps in retrofit or upgrade situations where envelope space is limited but the machine layout is already fixed. -
Accessory and total mass planning
The listed 2.22 kg is the basic weight. Add switches, fittings, and tooling weight separately when calculating total moving mass and structural support requirements.
Conclusion
The SMC MGPM32-75Z is a robust and practical compact guided cylinder for industrial automation systems that require stable linear motion under side load. Its 32 mm bore and 75 mm stroke make it a versatile standard configuration for pushers, stoppers, lifters, and guided transfer mechanisms, while the MGPM slide-bearing design provides a good balance of compactness, rigidity, and application range.
