Overview
The SMC NCQ8B300-300 is a compact pneumatic cylinder designed for general-purpose industrial automation applications. With a 3-inch bore and 3-inch stroke, this double-acting single-rod unit operates at up to 200PSI (1.37MPa), delivering consistent force and motion control. The NCQ8 series is recognized for durability and reliability in demanding manufacturing and process automation environments.
Key Features
- 3-inch (76mm) bore diameter for mid-range load capacity
- 3-inch (76mm) stroke length, compact form factor
- Maximum operating pressure: 200PSI (1.37MPa)
- Double-acting configuration with single rod design
- Made in USA construction ensuring quality and serviceability
- Proven reliability in factory automation, material handling, and assembly line applications
Technical Specifications
| Bore Size | 3 inches (76 mm) |
| Stroke Length | 3 inches (76 mm) |
| Maximum Pressure | 200 PSI (1.37 MPa) |
| Cylinder Type | Double-Acting, Single Rod |
| Port Size | 1/8″ NPT (metric equivalent: M14×1.5) |
| Mounting Style | Trunnion or foot mounting (bracket sold separately) |
| Operating Temperature | -5°C to +60°C standard (consult for extended range) |
| Series | NCQ8 Compact Pneumatic Cylinder |
| Manufacturer | SMC Corporation of America |
| Origin | Made in USA |
Typical Applications
- Assembly and clamping operations in manufacturing
- Automated material handling and transfer systems
- Press and punch applications
- Workholding and fixturing systems
- Industrial automation control where medium force and compact design are needed
- OEM equipment and machinery integration
Compatibility & Replacements
Compatible With
- Standard pneumatic control valve manifolds rated for 1/8″ NPT ports
- Industrial pneumatic systems operating 50–200 PSI
- Air preparation units (filter, regulator, lubricator combinations)
- Pneumatic auto-switches and limit switches compatible with SMC cylinders
- Standard trunnion and foot mounting brackets (ordered separately)
Replaces / Drop-In Replacement For
- Other NCQ8 series cylinders with identical bore and stroke specifications
- Legacy 3-inch bore compact pneumatic cylinders from equivalent manufacturers (verify mounting and port orientation before replacement)
- Verify mount style and port configuration with your system integrator before ordering as a replacement
Works With
- Pneumatic control systems and PLC-based automation platforms
- Standard 24 VDC solenoid valve control circuits
- Industrial pneumatic networks using ISO 4401 (CETOP) valve standards
- SMC pneumatic accessory range including cushion valves, quick-disconnect couplers, and porting blocks
