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The fisheye joint for pneumatic cylinders (also named pneumatic rod end fisheye bearing) is a critical connecting component for pneumatic actuation systems, designed to deliver reliable articulation and force transmission between pneumatic cylinders and mechanical loads. Engineered to compensate for angular misalignment in dynamic motion, this connecting rod joint bearing for industrial automation eliminates radial stress and mechanical wear on cylinder piston rods, extending the service life of pneumatic components. It is universally compatible with mainstream pneumatic cylinder series including MSQ rotary cylinders, MHS pneumatic grippers, CY3B rodless cylinders, and SC standard cylinders, making it an indispensable part for industrial equipment manufacturers, automation system integrators, and industrial pneumatic component distributors.
Our pneumatic component fisheye joint delivers exceptional radial and angular articulation, effectively offsetting parallel and angular misalignment in high-frequency reciprocating motion. The precision-machined spherical structure ensures low-friction operation, reducing energy loss and maintaining stable performance even in continuous cycling applications up to 120 cycles per minute.
Built for industrial heavy-duty scenarios, the high-load fisheye joint for pneumatic components features a reinforced body structure that withstands high axial and radial loads. The surface treatment provides excellent rust and corrosion resistance, adapting to harsh workshop environments with dust, oil mist, and moderate humidity.
With standardized metric and inch thread specifications, the joint is fully interchangeable with global mainstream pneumatic cylinder brands. The integrated lock nut design enables quick and secure installation without complex tools, reducing assembly time for equipment production lines.
Model | Applicable Cylinder Bore Size | Thread Specification | Mounting Hole Diameter | Flange Width | Overall Length |
SNJ-006B | 6mm | M6×1.0 | 4mm | 8mm | 9.2mm |
SNJ-016B | 10mm/15mm | M10×1.0 | 4mm | 14mm | 16.2mm |
SNJ-020B | 20mm | M20×1.5 | 8mm | 26mm | 30mm |
SNJ-032B | 25mm/32mm | M26×1.5 | 8mm | 32mm | 37mm |
SNJ-040B | 40mm | M32×2.0 | 10mm | 41mm | 47.3mm |
The rod end fisheye bearing adopts a three-piece precision structure: a high-strength medium carbon steel main body, a hardened chrome-plated spherical bearing core, and a high-performance NBR oil-resistant dust seal. The main body undergoes precision forging and CNC machining to ensure dimensional accuracy and structural strength, while the spherical core is ground to a mirror finish for ultra-smooth articulation. The dust seal effectively blocks contaminants, preventing internal wear and maintaining consistent performance in long-term operation.
This fisheye joint is widely used in core industrial scenarios including automated assembly lines, packaging machinery, material handling equipment, automotive manufacturing, metal processing machinery, and electronic production equipment. It is the preferred connecting solution for pneumatic grippers, rotary cylinders, slide table cylinders, and linear actuators in these industries.
All our pneumatic cylinder fisheye joints comply with ISO pneumatic component standards, with 100% load testing and dimensional inspection before delivery. We provide custom support for OEM equipment manufacturers, including non-standard thread specifications, special material options (stainless steel), and surface treatment customization. We offer stable bulk supply, professional technical support, and flexible delivery solutions for industrial distributors and wholesalers.
The joint is fully compatible with MSQ series rotary cylinders, MHS/MHZ2 series pneumatic grippers, CY3B/CY1S series rodless cylinders, MXS/HLS series slide table cylinders, and SC series standard cylinders, covering 99% of mainstream pneumatic cylinder models on the market.
We offer metric (M) thread, PT, NPT, and G thread options to meet the installation requirements of different regional markets and equipment standards.
The standard model supports an operating temperature range of -10℃ to +60℃, with high and low temperature resistant models available for special working conditions.
Contact us today for a free, no-obligation quote on our high-performance fisheye joints for pneumatic cylinders. We can provide customized solutions, sample testing, and bulk pricing tailored to your industrial application needs. Our technical team will respond to your inquiry within 24 hours.
