Airtac PTBR Single Acting Square Head Compact Cylinder PTBR8X25R
2. Features a compact miniaturized design with minimized dimensions and lightweight construction
3. Precision-guided piston rod with self-lubricating guide bearings requiring no additional lubrication
4. Front cover integrates mounting threads for direct installation without auxiliary accessories
5. Stainless steel piston rod and cylinder barrel ensure corrosion resistance in mildly aggressive environments
6. Optimized for high-frequency operations with rapid response from small bore configuration
Category: Pen Type Cylinders | Brand: AIRTAC | Series: PTBR
AirTAC PTBR8X25R Single-Action Square Head Compact Cylinder Specifications
- Model: PTBR8X25R
- Type: Single-acting spring return (normally extended)
- Bore size: 8mm
- Stroke length: 25mm
- Operating pressure: 0.15–0.8 MPa
- Operating temperature: -20℃ to 80℃
- Port size: M5x0.8 (dual ports)
- Cushioning: Adjustable rubber buffer
- Mounting type: 2xM3 threaded side mounts + front flange
- Material:
- Cylinder tube: Hard anodized aluminum alloy
- Piston rod: Stainless steel (SUS304)
- Seals: NBR (nitrile rubber)
- Weight: 0.12kg ±3%
- Dimensions:
- Total length (extended): 55mm
- Body width: 20mm
- Height (with rod): 32mm
- Mounting hole spacing: 12mm (vertical) × 16mm (horizontal)
Ultra-compact square-profile cylinder designed for space-constrained linear motion applications. Features dual mounting options (side screws or front flange) and corrosion-resistant construction. The chrome-plated piston rod ensures smooth operation with ≤0.15mm radial play. Requires 1-3 drops of ISO VG32 turbine oil monthly for maintenance.
- Precision part ejection in SMT equipment
- Medical device actuation mechanisms
- 3D printer Z-axis brake systems
- Semiconductor wafer handling robots
- Automated test probe positioning
Installation note:
Maximum side load 2.5N. Use flexible tubing with ≥R1mm bend radius.
For vertical mounting, install with rod end downward to prevent debris accumulation.
| Property | Property Value |
|---|---|
| sku | PTBR8X25R |
| Rear Cover Type | Axial Port Type |
| 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 | Non-magnetic |
| Cushion Type | Bumper Pad |
| Bore Diameter | <8mm> |
| Stroke | <25 mm> |
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.