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Spherical Plain Bearing
Durable Gewz31es-Gewz50es Spherical Plain Bearing – High-Load, Corrosion-Resistant
Basic Specifications
| Inner Diameter | 31.75 mm |
|---|---|
| Outer Diameter | 50.8 mm |
| Thickness | 47.625 mm |
Product Overview
GEWZ31ES is a radial spherical plain bearing made of bearing steel, featuring self-lubricating steel-on-steel sliding contact. Designed for high precision, long life and low noise, it suits hydraulic cylinders, construction machinery, automotive shock absorbers and automation equipment. Supplied in neutral packing with whole outer ring structure and OEM/ODM service available.7
Day Prototype
vs. 8-12 wks standard
50+
Countries Served
Global logistics network
12h
Quote Response
Expert engineers on call
Typical Applications
Wind Power
Mining
Steel & Metallurgy
Automotive / EV
Rail Transit
Precision Machinery
Genuine SKF Bearings
NDA Protected
Free Sample for Orders > $50K
Global Shipping
Product Details
Key Specifications & Advantages of Durable Gewz31es–Gewz50es Spherical Plain Bearings
| Description | Core Value |
|---|---|
| Model Range | GEWZ31ES to GEWZ50ES — precision-matched sizes for modular hydraulic & mechanical systems |
| Material & Sliding Pair | Bearing steel-on-steel — high hardness, wear resistance, and thermal stability (no polymer degradation) |
| Lubrication | Self-lubricating — zero maintenance, ideal for sealed or hard-to-access applications |
| Load Capacity | Radial spherical design — accommodates misalignment up to ±4° with consistent load distribution |
| Dimensional Accuracy | 31.75×50.8×47.625 mm (GEWZ31ES) — ISO-compliant tolerances, interchange-ready with SKF GEW series |
| Applications | Hydraulic cylinders, forging machines, construction equipment, auto shock absorbers & water conservancy systems |
| Durability | 1M units annual capacity + OEM/ODM validation — proven in 50,000+ hr field deployments |
| Differentiator vs. Generic Brands | Whole outer ring + high-precision grinding — 32% higher static load rating than standard Chinese equivalents |
| Quality Assurance | 100% dimensional inspection, salt-spray tested ≥96 hrs, BDL trademark registered in China & EU |
| FAQ: Can it replace SKF GEWZ31ES? | Yes — identical mounting dimensions, load ratings, and material specs; certified cross-reference available upon inquiry |
Product Summary
- Product Name
- Durable Gewz31es-Gewz50es Spherical Plain Bearing – High-Load, Corrosion-Resistant
- Category
- Spherical Plain Bearing
- Brand
- SKF
- Certification
- ISO 9001 · TS 16949
- Lead Time
- 7 Working Days
Get a Custom Quote
Our engineers will respond within 12 hours with a tailored solution.
Request QuoteGeneral Specifications
| Bearing Type | Spherical Plain Bearing |
| Brand | SKF |
| Quality Standard | ISO 9001 / TS 16949 |
| Precision Grade | P0 / P5 / P6 (custom) |
| Material | Chrome Steel / Stainless |
| Cage Material | Steel / Brass / Polyamide |
| Lubrication | Grease / Oil (specify) |
| Operating Temp. | -40°C to +200°C |
| Min. Order Qty | 1 pc (samples available) |
| Prototype Lead Time | 7 Working Days |
Performance Parameters
| Load Capacity | Contact for C0/Cr values |
| Speed Rating | Contact for ndm limit |
| Vibration Level | Z1 / Z2 / Z3 (custom) |
| Noise Level | V1 / V2 / V3 (custom) |
| Fatigue Life | L10h per ISO 281 |
| Sealing Options | Open / Z / 2Z / RS / 2RS |
Custom Specifications Available
Our engineering team can modify bearing dimensions, materials, seals, and clearances to meet your specific operating requirements. Submit your drawing or spec sheet for a tailored proposal.
Wind Power
Main shaft bearings, gearbox bearings, and generator bearings for onshore and offshore wind turbines.
Mining & Quarrying
Heavy-duty bearings for crushers, conveyors, and rotary equipment in extreme dust and shock-load environments.
Steel & Metallurgy
High-temperature bearings for rolling mills, continuous casting, and furnace applications.
Automotive / EV
Wheel hub bearings, transmission bearings, and e-motor bearings for passenger and commercial vehicles.
Rail Transit
Axle box bearings, traction motor bearings, and gearbox bearings meeting EN/UIC railway standards.
Precision Machinery
High-precision spindle bearings, angular contact bearings, and super-precision bearings for CNC and robotics.
Application Design
EngineeringOur engineers analyze your operating conditions -- load, speed, temperature, environment -- and select or design the optimal bearing solution to maximize service life and reduce total cost of ownership.
Custom Modification
7-Day TurnaroundNeed non-standard dimensions, special materials, or modified clearances? We can modify standard SKF bearings or manufacture fully custom solutions with a 7-day prototype turnaround.
Failure Analysis
DiagnosticsWhen bearings fail prematurely, our team conducts root-cause analysis using advanced diagnostic tools to identify the failure mode and recommend corrective action.
Predictive Maintenance
Up to 40% Less DowntimeWe deploy vibration monitoring, thermal imaging, and oil analysis programs that detect bearing deterioration early -- reducing unplanned downtime by up to 40%.
On-site Installation
Global CoverageProper installation is critical to bearing performance. Our certified technicians provide on-site installation support, alignment verification, and operator training worldwide.
Lifecycle Support
Enterprise SLAFrom initial selection through end-of-life, our dedicated account managers provide scheduled maintenance plans, re-lubrication programs, and replacement forecasting for enterprise clients.
Why SKF China
The engineering partner advantage
7 Days
Prototype Lead Time
vs. 8-12 weeks via standard channels
15+
Certified Engineers
SKF-certified, on-call for your project
50+
Countries Delivered
Reliable global logistics network
Request a Quote
Get a custom quote for
Durable Gewz31es-Gewz50es Spherical Plain Bearing – High-Load, Corrosion-Resistant
NDA protected · Free samples for orders > $50K · Reply within 12 hours
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