Airtac PTBR Single Acting Square Head Compact Cylinder PTBR8X50SR
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 PTBR Single-Acting Square Head Compact Cylinder PTBR8X50SR Specifications
- Model: PTBR8X50SR
- Type: Single-acting spring return (piston return)
- Bore size: 8mm
- Stroke: 50mm (±0.5mm tolerance)
- Operating pressure: 0.05–0.7 MPa
- Operating temperature: -20℃ to 80℃
- Cushioning: Rubber buffer (adjustable end caps)
- Port thread: M5×0.8 (standard) / G1/8 optional
- Piston material: Aluminum alloy (hard anodized)
- Rod material: SUS304 stainless steel
- Seal type: NBR (nitrile rubber)
- Mounting: Square head with 2x M3 threaded holes (4mm depth)
- Weight: 0.15kg (without accessories)
- Dimensions: 20mm(W) × 20mm(H) × 98mm(L) (full extension)
- Rod diameter: 4mm
- Max theoretical force: 35.2N @0.7MPa
- Air consumption: 2.5cm³/stroke
Ultra-compact square-body cylinder designed for precision linear motion in confined spaces. Features corrosion-resistant construction with IP54 protection rating and low friction seals. Requires filtered air (5-50μm) with ISO VG32 lubricant (optional oil-free operation). Includes built-in magnet for sensor mounting (S version feature).
- PCB component insertion machines
- Medical device actuation systems
- Semiconductor wafer handling
- Precision valve operators
- Laboratory automation jigs
- Robotic gripper mechanisms
Installation notes:
Maintain 0.5mm minimum clearance between rod end and workpiece.
Lubricate through air supply (1 drop/1m³) for non-oil-free applications.
Max lateral load: 0.3N·m. Magnetic switch models require 2mm gap adjustment.
| Property | Property Value |
|---|---|
| sku | PTBR8X50SR |
| 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 | S-Magnetic |
| Cushion Type | Bumper Pad |
| Bore Diameter | <8mm> |
| Stroke | <50mm> |
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.