Product Specifications
| Parameter |
Details |
| Model NO. |
GEWZ88ES |
| Material |
Bearing Steel |
| Load Direction |
Radial Spherical Plain Bearing |
| Lubrication |
Self-lubricating |
| Outer Structure |
Whole Outer Ring |
| Rod End |
General |
| Series |
Gewz |
| Product Name |
Spherical Plain Bearing |
| Sliding Contact |
Steel-on-Steel |
| Features |
High Precision, Long Life, Low Noise |
| Specification |
88.9*139.7*133.35mm |
| Origin |
China |
| HS Code |
8482101000 |
Application Industries
| Industry |
Typical Equipment |
| Construction Machinery |
Hydraulic Cylinders, Excavators, Loaders |
| Manufacturing |
Forging Machines, Automation Equipment |
| Automotive |
Shock Absorbers |
| Water Conservancy |
Water Conservancy Machinery |
Minimize Downtime with GEWZ88ES GEWZ95ES Self-lubricating Spherical Plain Bearings for Construction Machinery
Construction machinery operators know the frustration of unexpected downtime caused by bearing failures. When hydraulic cylinders or excavator joints seize, projects stall, labor costs mount, and deadlines slip. Sourcing reliable replacement bearings often means choosing between long lead times for genuine parts or questionable quality from uncertified suppliers.
Self-lubricating Spherical Plain Bearings Engineered for Heavy-Duty Performance
Our GEWZ88ES Spherical Plain Bearing addresses these challenges with its self-lubricating design that eliminates the need for frequent maintenance in hard-to-reach construction machinery components. As an integrated bearing manufacturer since 2005, we produce these bearings to P0-P4 precision standards, ensuring consistent performance under the radial loads and oscillating movements common in hydraulic cylinders and forging machines.
Optimized for Construction Machinery Operating Conditions
This Spherical Plain Bearing excels in the harsh environments typical of construction sites. The steel-on-steel sliding contact handles heavy radial loads while the self-lubricating feature maintains performance in dusty, high-vibration conditions where traditional lubrication systems fail. Its whole outer ring design provides structural integrity during shock loads, making it ideal for excavator arms, loader buckets, and engineering hydraulic cylinders.
Key Technical Features That Deliver Reliability
The 88.9*139.7*133.35mm specification balances load capacity with compact installation, critical for machinery where space is limited. Constructed from high-grade bearing steel, this bearing offers the durability needed to withstand the 24/7 operating cycles of construction equipment. The self-lubricating system reduces friction and wear, directly translating to longer maintenance intervals and extended equipment life—key factors in controlling total ownership costs.
Avoid the Hidden Costs of Substandard Bearings
Choosing uncertified spherical plain bearings may save upfront costs but often leads to premature failures. A single bearing failure in a hydraulic cylinder can cause catastrophic damage to adjacent components, resulting in repair bills far exceeding the initial savings. Our bearings undergo rigorous quality control in ISO9001-certified facilities, ensuring each unit meets the precision and performance requirements of construction machinery OEMs.
Why Global Buyers Choose Our Bearings
With over 18 years of experience serving global markets across Europe, America, and Southeast Asia, we have established a reputation for reliability. Our production capacity of 1,000,000 units annually ensures stable supply, while our ISO14001 certification reflects our commitment to quality and environmental standards. We offer OEM/ODM customization to meet specific machinery requirements and provide free technical guidance to ensure proper bearing selection and installation.
Packaging & Shipping
- Neutral packing with protective carton and pallet
- Sample lead time: 3–5 days for standard items
- Bulk delivery: 5–15 days after order confirmation
- Flexible shipping options: air freight, sea freight, and express delivery
- Minimum order quantity: 1 piece for standard bearings
Get Your Construction Machinery Bearings Quickly
Don’t let equipment downtime impact your project timeline. Whether you need a single GEWZ88ES bearing for emergency repairs or bulk orders for production, we can fulfill your requirements with fast lead times. Contact us with your specific model and application details for a tailored quote.
Frequently Asked Questions
Q: Are these bearings suitable for heavy-duty construction machinery?
A: Yes, the GEWZ88ES Spherical Plain Bearing is specifically designed for heavy radial loads and oscillating movements in construction equipment like hydraulic cylinders and excavators.
Q: How does the self-lubricating feature work in dusty environments?
A: The self-lubricating design contains embedded lubricants that release gradually during operation, maintaining performance even in dirty conditions where traditional lubrication would be compromised.
Q: What is your warranty policy for these bearings?
A: We provide a 12-month global warranty covering manufacturing defects, with free replacement or refund available for non-conforming products.
Q: Can you supply the GEWZ95ES model as well?
A: Yes, we manufacture both GEWZ88ES and GEWZ95ES self-lubricating spherical plain bearings for construction machinery applications.
Q: How do I confirm if this bearing fits my equipment?
A: Provide your machinery model or existing bearing specifications, and our technical team can verify compatibility and provide free选型 guidance.
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