Female And Male Rod End Bearing PHS12 POS12
Large load capacity
Impact resistance
Corrosion resistance,
Wear resistance,
Self centering,
Good lubrication
Self-lubricating without lubricating dirt pollution
🔩 Detailed Overview of Female and Male Rod End Bearings – PHS12 & POS12
Rod end bearings like PHS12 (female thread) and POS12 (male thread) are critical components in mechanical systems that require precise movement and robust load support. These bearings are designed to handle oscillating movements under varying loads, making them ideal for applications in automation, industrial machinery, automotive systems, and more.
Below is a comprehensive guide to understanding the differences, specifications, and applications of the PHS12 and POS12 rod end bearings.
📐 Specifications & Technical Comparison
| Model | Type | Bore (Inner Diameter) | Thread Size | Ball Outer Diameter | Overall Length | Dynamic Load | Static Load | Material & Finish |
|---|---|---|---|---|---|---|---|---|
| PHS12 | Female | 12mm | M12×1.75 (Right) | 30mm | 65mm | 1,330 KGF | 1,730 KGF | Chrome steel ball, brass race, zinc-plated housing, pre-lubricated |
| POS12 | Male | 12mm | M12×1.75 (Right) | 30mm | 65mm | 3,799 lbf | 2,945 lbf | Chrome steel ball, brass race, zinc-plated housing, pre-lubricated |
🔍 Key Features
✅ PHS12 – Female Thread Rod End Bearing
Internal thread design allows it to be screwed onto male-threaded rods or shafts.
Suitable for applications where external connection is needed.
Often used in linkages with flexible mounting and adjustable length.
Applications:
Robotic joints and industrial arms
Textile and printing machines
Agricultural implements
Conveyor systems
Suspension systems in vehicles
✅ POS12 – Male Thread Rod End Bearing
External thread design for insertion into components with female threads.
Ideal for compact environments or applications requiring threaded insertion.
Provides strong axial support and rotational flexibility.
Applications:
Hydraulic and pneumatic cylinders
Steering linkages and control rods
Motion control systems
Aerospace and marine equipment
Construction machinery
How to Choose Between PHS12 and POS12?
When selecting the appropriate rod end bearing, consider the following:
Connection Type:
Choose PHS12 if you need to connect to a male thread. Opt for POS12 if you're attaching to a female-threaded component.Load Requirements:
Evaluate your system’s dynamic and static load conditions to ensure proper bearing performance.Installation Space:
Check the available space for installation — female types may require more room due to their external body.Environmental Conditions:
Consider corrosion resistance, lubrication, and exposure to dust or chemicals.





