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GE4C Spherical Plain Bearing 4x12x5mm Maintenance-Free Radial Joint Bearing
Model: GE4C
- · Bore Diameter: 4mm
- · Outer Diameter: 12mm(0.47in)
- · Precision Rating: P0
- · Material: Chrome Steel
- · Lubrication: Grease
- · Seals Type: OPEN
- · Type: Rod End
- · Ball Diameter: 12mm
- · Body Material: chrome steel/stainless steel
- · Eye Thickness: 5mm
Product Overview
The GE4C (also designated as GE4-C / GE4T) is a compact, high-precision radial spherical plain bearing engineered for oscillating, tilting, and rotational movements under heavy radial loads. Featuring a self-lubricating sliding contact pair (hardened chrome steel inner ring sliding against a PTFE-composite lined outer ring), it delivers smooth articulation without the need for periodic relubrication.
Designed for high structural stability and wear resistance, the GE4C accommodates multi-directional angular misalignment while maintaining a low coefficient of friction across extended operational lifecycles.
Technical Specifications
| Bore Diameter | 4mm |
| Outer Diameter | 12mm(0.47in) |
| Precision Rating | P0 |
| Material | Chrome Steel |
| Lubrication | Grease |
| Seals Type | OPEN |
| Type | Rod End |
| Ball Diameter | 12mm |
| Body Material | chrome steel/stainless steel |
| Eye Thickness | 5mm |
| Thread Type | Female Thread |
Key Features
100% Maintenance-Free Operation: Self-lubricating PTFE composite liner eliminates the need for ongoing oiling or greasing, reducing downtime and maintenance costs.
High Load Capacity & Misalignment Accommodation: Spherical contact geometry easily absorbs dynamic tilting and angular deviations under high radial stress.
Corrosion & Wear Resistance: Hard chrome-plated inner ring surface prevents seizing, scuffing, and abrasive wear in harsh industrial settings.
Compact & Lightweight Form Factor: Ideal for space-constrained linkages, robotic pivots, and miniature motion assemblies.
Applications
Hydraulic cylinder rod ends and pneumatic actuators
RC models, drone control linkages, and miniature steering mechanisms
Industrial automation linkages, robotic arms, and pick-and-place pivots
Precision instruments, medical equipment, and textile machinery
Packaging machinery, sensor brackets, and suspension damper pivots
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