GX30S-GX60S Spherical Plain Bearings – High-Load, Low-Friction
Specifications
| Inner Diameter | 30 mm |
|---|---|
| Outer Diameter | 75 mm |
| Thickness | 19 mm |
Introduction
The GX30S is a radial spherical plain bearing made of bearing steel with self-lubricating, steel-on-steel sliding contact. It features high precision, long life, and low noise. Widely used in hydraulic cylinders, construction machinery, automation equipment, and automotive shock absorbers. Origin: China. Trademark: BDL.
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Description
Key Specifications & Advantages of GX Series Spherical Plain Bearings
| Feature | Description |
| Model Range | GX30S–GX60S (metric sizes, interchange-compatible with SKF GE series) |
| Material | High-carbon chromium bearing steel (GCr15), hardened to HRC 58–62 |
| Lubrication | Self-lubricating PTFE composite liner — zero maintenance, dry-running capable |
| Load Capacity | Radial dynamic load up to 42 kN (GX50S); misalignment tolerance ±4° |
| Structure | One-piece outer ring + precision-ground inner sphere — enhanced rigidity & sealing |
| Applications | Hydraulic cylinders, construction machinery booms, automotive shock absorbers, automation joints |
| Performance Edge | Low friction coefficient (μ ≤ 0.12), noise-free operation, 3× longer service life vs. standard bronze-lined |
| Quality Assurance | ISO 9001 certified production; 100% dimensional & load testing; RoHS compliant |
| Differentiator | BDL’s proprietary surface treatment reduces wear in dusty/wet environments — validated per DIN 620-3 |
| FAQ | Q: Are these direct replacements for SKF GE…ES? A: Yes — identical mounting dimensions and static/dynamic ratings. |
