2. Miniature square-body design with compact structure, reduced footprint, and lightweight construction
3. High-precision piston rod guidance featuring self-lubricated bearings for maintenance-free operation
4. Integrated mounting threads on front cover enable direct installation without auxiliary accessories
5. Stainless steel piston rod and cylinder construction ensures corrosion resistance in harsh environments
6. Optimized small bore configuration delivers rapid response, suitable for high-frequency cycling applications
Category: Compact Cylinders | Brand: AIRTAC | Series: PSBR Single-Acting Square-body Miniature Cylinders
AirTAC PSBR Single-Acting Square Head Pen-Type Cylinder PSBR8X40SU Specifications
- Model: PSBR8X40SU
- Type: Single-acting spring return (push type)
- Bore size: 8mm
- Stroke: 40mm ±0.5mm
- Operating pressure: 0.15–0.8 MPa
- Ambient temperature: -20℃ to 80℃
- Piston speed: 50–800 mm/s
- Cushioning: Adjustable rubber buffer
- Port thread: M5×0.8
- Body material: Aluminum alloy (anodized)
- Rod material: Stainless steel SUS304
- Seal material: NBR (nitrile rubber)
- Weight: 0.12kg ±5%
- Dimensions:
- Total length (L): 80mm (at full retraction)
- Square head size: 20mm × 20mm
- Mounting base height: 5mm
- Rod end thread: M4×0.7 (external)
Ultra-compact square-body cylinder optimized for space-constrained automation systems. Features precision-ground rod guidance and anti-rotation design, with a maximum lateral load capacity of 2.5N at full extension. The dual-seal construction prevents internal contamination, rated for 3,000km service life under standard conditions (0.5MPa, 50mm/s). Requires ISO 8573-1 class 3 lubricated air (VG32 turbine oil recommended).
- PCB board clamping in SMT assembly lines
- Precision valve actuation in medical analyzers
- Paper feed mechanisms in POS printers
- Lens positioning systems in optical equipment
- Test probe actuation in semiconductor handlers
| Property | Property Value |
|---|---|
| sku | PSBR8X40SU |
| Rear Cover Type | Radial Air Inlet |
| Understood. Please provide the specific attribute names in <>, and I'll return the accurate English translations using AIRTAC's official terminology. Example: User input: <缸径> My output: Bore | Operating Temperature: -20°C to 70°C Speed Range: 50-800mm/s |
| Port Size | M5×0.8 |
| Magnet | S-Magnetic |
| Cushion Type | Bumper Pad |
| Bore Diameter | <8mm> |
| Stroke | <40mm> |
Returns will be accepted for up to 15 days of Customer’s receipt or tracking number on Not used items. You, as a Customer, are obliged to inform us via email before you return the item, only in the case of:
- Received the wrong item.
- Item arrived not as expected (ie. damaged packaging).
- Item had defects.
- Over delivery time.
- The shipper does not allow the goods to be inspected before payment.
The returned product(s) must be in the original packaging, safety wrapped, undamaged and unworn. This means that the item(s) must be safely packed in a carton box for protection during transport, possibly the same carton used to ship to you as a customer.









