Pneumatic cylinder
Fish Eye Joint for Pneumatic cylinder
Fish Eye Joint for Pneumatic cylinder
Specifications
- Material
- Carbon steel
- Operation pressure
- 0.1-0.9Mpa
- Working Medium
- Air
- Working temperature range
- -5-60 degree
Fish Eye Joint (Rod End Bearing)
The Fish Eye Joint is a high-strength rod end bearing designed for pneumatic cylinders and linear motion systems. It connects the cylinder piston rod to external equipment while allowing angular movement, reducing misalignment and minimizing side loads during operation.
Manufactured from high-quality carbon steel with a hardened bearing race, and offer excellent wear resistance, smooth rotation, and long service life. It is widely used in industrial automation, packaging machinery, textile equipment, woodworking machines, material handling systems, and other pneumatic applications.
Key Features
- High Load Capacity
- Designed to withstand both radial and axial loads.
- Suitable for continuous industrial operation.
- Compensates for Misalignment
- Allows angular movement between the cylinder and machine.
- Reduces stress on the piston rod.
- Smooth Rotation
- Precision-machined spherical bearing.
- Low friction for stable motion.
- Long Service Life
- Hardened bearing surface improves wear resistance.
- Reliable performance in demanding environments.
- Easy Installation
- Standard male thread connection.
- Compatible with most ISO pneumatic cylinders.
- Strong Corrosion Resistance
- Zinc-plated steel body for improved corrosion protection.
- Suitable for humid industrial environments.
Technical Specifications
Item | Description |
Product Name | Fish Eye Joint |
Type | Male Thread Rod End Bearing |
Body Material | High Carbon Steel |
Bearing Material | Hardened Bearing Steel |
Surface Finish | Zinc Plated |
Thread Type | Metric Male Thread |
Bore Sizes | 20, 25, 32, 40 mm |
Rotation Angle | Multi-directional Angular Movement |
Working Temperature | -20°C to +80°C |
Application | Pneumatic Cylinders |
Advantages of Using Fish Eye Joints
Unlike rigid rod connections, fish eye joints provide flexible movement that helps protect the cylinder from excessive side loading.
Benefits include:
- Longer cylinder life
- Reduced seal wear
- Improved installation tolerance
- Lower maintenance costs
- Smoother machine operation
- Better positioning accuracy
For equipment with slight alignment deviations, a fish eye joint is often the preferred solution.
Quality Control
Every Fish Eye Joint undergoes strict quality inspection before shipment, including:
- Thread accuracy inspection
- Bearing rotation test
- Surface finish inspection
- Dimension measurement
- Load testing
- Packaging inspection
This ensures consistent quality and reliable field performance.
Why Choose Us
As a professional supplier and exporter of pneumatic components, we provide:
- Stable product quality
- Competitive factory pricing
- Fast delivery
- OEM & ODM customization
- Low minimum order quantities
- Professional export packaging
- Technical support before and after sales
- Worldwide shipping experience
Frequently Asked Questions
Q1: What is a fish eye joint used for?
A fish eye joint connects the piston rod of a pneumatic cylinder to moving equipment while allowing angular movement, helping prevent side loads and extending cylinder life.
Q2: Is it compatible with ISO standard cylinders?
Yes. it designed to fit most ISO pneumatic cylinders with matching thread specifications.
Q3: Can you supply customized thread sizes?
Yes. We offer OEM manufacturing for special thread sizes, dimensions, materials, and surface treatments.
Q4: What material is used?
The body is made from high-strength carbon steel with a hardened bearing and zinc-plated surface for excellent durability and corrosion resistance.
Q5: Do you provide bulk orders?
Yes. We support wholesale orders, OEM branding, customized packaging, and global distribution.
