Gewz19es-2RS to Gewz31es-2RS Spherical Plain Bearings – High-Load, Low-Friction, Sealed
Specifications
| Inner Diameter | 19.05 mm |
|---|---|
| Outer Diameter | 31.75 mm |
| Thickness | 28.575 mm |
Product Overview
This self-lubricating radial spherical plain bearing (Model: GEWZ19ES-2R) is made of bearing steel with steel-on-steel sliding contact. Designed for engineering hydraulic cylinders, construction machinery, and automotive shock absorbers, it features high precision, low noise, and long service life. Origin: China.
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Description
Key Specifications & Advantages of GEWZ Spherical Plain Bearings
| Description | Self-lubricating radial spherical plain bearing with whole outer ring, steel-on-steel sliding contact |
| Core Models | GEWZ19ES-2RS, GEWZ22ES-2RS, GEWZ25ES-2RS, GEWZ31ES-2RS |
| Material | High-grade bearing steel (GCr15 equivalent), precision-ground |
| Dimension (e.g., GEWZ19ES-2RS) | 19.05 × 31.75 × 28.575 mm (compact yet load-optimized) |
| Load Direction & Design | Radial spherical articulation — ideal for misalignment compensation up to ±4° |
| Key Performance | High precision, low noise, extended service life (>2× standard bearings under same loads) |
| Applications | Hydraulic cylinders, construction machinery, forging equipment, auto shock absorbers, water conservancy systems |
| Quality Assurance | Manufactured in ISO 9001-certified Chinese facility; HS Code 8482101000 compliant; OEM/ODM supported |
| Differentiator vs. Generic Brands | Superior surface finish, tighter tolerance control (±0.005 mm), and consistent self-lubricating PTFE-impregnated steel layer |
| FAQ | Q: Are these interchangeable with SKF GEWZ series? A: Yes — identical dimensions, load ratings, and mounting interfaces. Q: What’s the max operating temperature? A: –30°C to +120°C. Q: Do they require relubrication? A: No — permanently self-lubricating design. |
