Spherical Plain Bearing At Rod End

Spherical Plain Bearing At Rod End is designed for articulated joints requiring spherical movement between connected components. The listed configuration uses a steel/PTFE sliding contact, carbon steel housing with zinc plating, and a hardened, chrome-plated chrome steel inner ring. SI..T/K, SA..T/K, PHS and POS series cover male and female rod-end configurations for mechanical linkage and oscillating applications.

PTFE Sliding Surface
The PTFE liner provides a dry-running sliding interface for the specified maintenance-free configuration, reducing the need for routine grease replenishment.
Hardened Inner Ring
The chrome steel inner ring is hardened and chrome-plated to provide a controlled sliding surface and defined contact with the PTFE liner.
Zinc-Plated Housing
The carbon steel housing uses zinc plating as the specified surface treatment, providing a practical finish for general mechanical assemblies.
Threaded Connection
Male and female rod-end configurations are available. Right-hand and left-hand thread options can be selected according to the required connection.

Rod-End Housing
The eye-shaped housing integrates the bearing seat and threaded shank into one compact connection. This arrangement allows the bearing to be installed directly into linkage assemblies.
Spherical Inner Ring
The spherical inner ring provides the mating surface for angular movement between the bearing and housing. The listed configuration uses hardened chrome steel with chrome plating.
PTFE Liner
The PTFE liner forms the sliding interface in the maintenance-free configuration. Sliding material should be matched to the required load, movement and operating conditions.

Material Inspection
Housing and inner-ring materials are checked against the specified material and production requirements before machining.
Precision Machining
Turning, drilling and thread machining establish the bore, shank and connection dimensions. Critical dimensions are controlled against the applicable drawing or model specification.
Heat Treatment
The inner ring is hardened before final finishing to establish the required surface condition for the specified construction.
Surface Treatment
The carbon steel housing receives zinc plating. The inner ring receives chrome plating after the required machining and heat-treatment stages.
Assembly
The spherical inner ring, sliding layer and housing are assembled according to the selected configuration, followed by dimensional and functional inspection.

Dimensional Inspection
Bore diameter, thread dimensions and critical housing dimensions are checked against drawings or model specifications.
Hardness Inspection
The hardened inner ring is inspected to verify the specified heat-treatment condition.
Surface Inspection
Chrome-plated and zinc-plated surfaces are checked for coating condition, surface finish and visible defects.
Final Inspection
Finished rod ends are checked for dimensions, thread condition, assembly quality, movement and appearance before packing.

Hydraulic Engineering
Used at articulated cylinder and linkage points where connected components require angular movement.
Construction Machinery
Suitable for mechanical joints exposed to oscillating movement and changing alignment during operation.
Automation Equipment
Used in compact linkage mechanisms where a threaded rod-end connection simplifies installation.
Metal Forming Machinery
Applied to articulated connections between moving mechanical components.
Water Machinery
Used in sluice-gate and navigation-lock mechanisms requiring controlled articulated movement.
Textile Machinery
Suitable for linkage and oscillating mechanisms requiring a compact spherical joint.
Shock Absorbers
Used at articulated connection points where the rod-end construction accommodates angular movement.

Drawing-Based Production
Custom dimensions can be reviewed from engineering drawings, including bore, housing dimensions, overall length and connection dimensions.
Thread Configuration
Male or female threads, thread size and right-hand or left-hand direction can be specified according to the required assembly.
Material Options
Housing, inner-ring and sliding-contact materials can be reviewed according to the application and required construction.
Sample Matching
An existing component or sample can be used to confirm dimensions and identify a suitable replacement configuration.

Individual Protection
Finished rod ends are separated and protected during handling to reduce surface contact and contamination.
Carton Packing
Products are packed in cartons with model and quantity information arranged according to the order requirement.
Pallet Packing
Larger shipments can be palletized for handling during international transportation.
Product Identification
Model number, quantity, batch information and agreed packing marks can be included for receiving and inventory control.

Quality Management
Production is supported by an ISO 9001 quality management system.
Product Documentation
Available documentation includes CE, RoHS, SGS and MSDS-related documents according to the applicable product and order requirements.
Inspection Records
Dimensional and quality inspection records can be prepared according to the agreed specification, inspection plan and order requirements.

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