POS&PHS series

POS and PHS series are premium inch-sized rod end bearings for North American aftermarket. POS with right-hand external thread and PHS with right-hand internal thread share solid steel-on-steel structure and lubrication hole design. With great misalignment resistance, low wear performance and full interchangeability with heim & rose joints, they are widely used in machinery, automotive and agricultural transmission systems.

Classification :

Rod End Bearings

Keywords :

rod end bearing, POS rod end, PHS rod end, inch rod end bearing, heim joint, rose joint, POS8 rod end, PHS6 rod end, automotive rod end, external thread rod end, internal thread rod end

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🔥 Hot Selling Models

Model	Thread Size	Model	Thread Size
POS4	1/4"-28	PHS4	1/4"-28
POS5	5/16"-24	PHS5	5/16"-24
POS6	3/8"-24	PHS6	3/8"-24
POS8	1/2"-20	PHS8	1/2"-20
POS10	5/8"-18	PHS10	5/8"-18
POS12	3/4"-16	PHS12	3/4"-16

✅ Key Advantages

Standard inch thread for global market compatibility
Strong misalignment compensation and shock resistance
Lubrication port for extended service life
Economical and durable for mass applications
Easy installation and replacement

💼 Typical Applications

Automotive modification & heim joint systems

Mechanical linkages & control arms

Agricultural machinery & trailers

Industrial automation equipment

Hydraulic and pneumatic linkages

Category Overview

Rod end bearings (heim joints / rose joints) are spherical plain bearings with an integrated threaded shank, designed to handle radial and axial loads while allowing angular misalignment. They are widely used in linkages, control systems, automotive, and machinery for flexible, reliable connection. Our products follow ISO 12240-4 standards, with durable steel construction, smooth operation, and long service life.

Our Series Breakdown

Series	Features	Typical Applications
POS & POSA Series	Male thread, steel body, lubrication groove, medium load, general industrial standard	Automation linkages, textile machinery, small agricultural equipment
PHS & PHSA Series	Female thread, compact design, good alignment ability, cost-effective	Automotive controls, valve linkages, fitness equipment, small machinery
SI Series (SA Series)	Male thread, heavy-duty, forged steel, high load & impact resistance	Hydraulic cylinders, construction machinery, truck linkages
SA & SAL Series	Female thread, heavy-duty, self-lubricating option, long service life	Engineering machinery, mining equipment, industrial linkages
JK Series	High-precision, low friction, corrosion-resistant optional	Precision instruments, automotive suspension, robotics

Core Advantages

Strong ability to compensate angular misalignment
High load capacity and shock resistance
Standard thread sizes for easy installation and replacement
Available with lubrication grooves for extended service life
Smooth operation, low noise, stable under vibration
Compatible with most industrial linkage systems

Typical Applications

Widely used in mechanical linkages, hydraulic cylinders, automotive steering & suspension, agricultural machinery, construction equipment, automation robots, textile machines, fitness equipment, and precision control systems.

PRODUCT TESTING

Bearing Forging

Bearing Annealing

Turning Process

Quenching

Bearing Assembly

Bearing Clearance Testing

Grease injection

Bearing Marking

Rod End Bearings