Product Specifications
| Parameter |
Details |
| Model NO. |
GAC170S |
| Material |
Bearing Steel |
| Load Direction |
Radial Spherical Plain Bearing |
| Lubrication Type |
Self-lubricating |
| Outer Structure |
Whole Outer Ring |
| Rod End |
General |
| Series |
GAC |
| Product Name |
Spherical Plain Bearing |
| Package |
Neutral Packing Bearing |
| Sliding Contact |
Steel-on-Steel |
| Features |
High Precision, Long Life, Low Noise |
| Service |
OEM ODM |
| Transport Package |
Carton Pallet |
| Specification |
120*180*38 mm |
| Origin |
China |
| HS Code |
8482101000 |
Application Industries
| Industry |
Typical Equipment |
| Construction Machinery |
Excavators, Loaders, Bulldozers |
| Hydraulic Engineering |
Engineering Hydraulic Cylinders |
| Manufacturing |
Forging Machines, Automation Equipment |
| Automotive |
Automobile Shock Absorbers |
| Water Conservancy |
Water Conservancy Machinery |
Eliminate Downtime with GAC Series Self-lubricating Spherical Plain Bearings for Construction Machinery
Construction machinery operators know the frustration of unexpected downtime—especially when it stems from bearing failures in critical components like hydraulic cylinders or pivot joints. Frequent lubrication requirements, premature wear under heavy loads, and mismatched bearings causing equipment instability cost time and money on job sites. When your excavator or forging machine stops working, every minute counts.
Self-lubricating Design Cuts Maintenance Costs for Heavy-Duty Applications
Our Spherical Plain Bearing GAC Series addresses these challenges head-on. The self-lubricating feature eliminates the need for regular grease application, reducing maintenance intervals and labor costs—critical advantages for construction sites where accessibility is limited. Made from high-grade bearing steel with a steel-on-steel sliding contact, these bearings deliver high precision and long life even under the radial loads common in engineering hydraulic cylinders and construction machinery. With ISO9001 and ISO14001 certifications backing our manufacturing process, you get consistent quality that meets global industry standards.
Engineered for the Toughest Construction Environments
Spherical plain bearings in construction machinery face unique demands: heavy radial loads, oscillating movements, and exposure to dust, debris, and variable temperatures. The GAC170s and GAC200s models excel in these conditions, featuring a whole outer ring design that enhances structural integrity and load-bearing capacity. Whether installed in excavator booms, loader arms, or forging machine pivot points, these bearings maintain performance in dynamic applications where reliability directly impacts project timelines.
Key Technical Features Driving Performance
The GAC Series’ 120*180*38 mm specification balances size and strength, making it suitable for medium to heavy-duty equipment. The self-lubricating mechanism ensures continuous operation without lubricant replenishment, a critical feature in hard-to-reach areas of construction machinery. High precision manufacturing minimizes clearance variation, reducing vibration and noise during operation—an important consideration for operator comfort and equipment longevity. The combination of bearing steel material and optimized sliding contact design delivers the low friction and wear resistance needed to handle the repetitive stresses of hydraulic cylinder actuation and machinery articulation.
Why Genuine Bearings Matter for Total Cost of Ownership
Choosing substandard spherical plain bearings may save upfront costs, but the hidden expenses add up quickly. Counterfeit bearings often fail prematurely under heavy loads, leading to equipment breakdowns, costly repairs, and project delays. In contrast, our GAC Series bearings come with a 12-month global warranty, covering manufacturing defects and ensuring replacement or refund if issues arise. The high precision and long life of genuine bearings reduce the total cost of ownership by minimizing downtime, maintenance, and replacement frequency—essential factors for construction companies managing tight project schedules and budgets.
Our Commitment to Reliable Bearing Solutions
With 18 years of experience as an integrated bearing manufacturer and exporter, Jinan Saifan Bearing has supplied global buyers across Europe, America, Southeast Asia, and the Middle East. Our in-house R&D and QC lab ensure each GAC Series bearing meets strict quality standards before shipment. We offer flexible order options, including 1pc MOQ for standard items and 3–5 day sample lead times, supporting both small-scale repairs and large production runs. Technical guidance is available free of charge, helping customers select the right bearing for their specific application. Our commitment to stable supply and competitive pricing has made us a trusted partner for industrial equipment manufacturers worldwide.
Packaging & Shipping
- Neutral packing with carton pallet for secure transportation
- Sample lead time: 3–5 days for standard items
- Bulk delivery: 5–15 days after order confirmation
- Multiple shipping options: T/T, credit card, and Alibaba trade保障 available
- 1pc MOQ supported for emergency maintenance needs
Get Your GAC Series Bearing Today
Don’t let bearing issues derail your construction projects. Whether you need a single GAC170s for emergency repair or bulk GAC200s for production, we have the inventory and expertise to meet your needs. Send us your bearing model, application details, and quantity requirements, and our team will provide a quote within 24 hours. Fast delivery means minimal downtime—so you can get back to work sooner.
Frequently Asked Questions
Q: Are these bearings suitable for heavy-load construction machinery?
A: Yes, the GAC Series is specifically designed as radial spherical plain bearings for heavy radial loads, making them ideal for construction machinery like excavators and hydraulic cylinders.
Q: How does the self-lubricating feature work in dusty environments?
A: The steel-on-steel sliding contact with self-lubricating properties reduces friction without relying on external grease, minimizing contamination risks in dusty construction sites.
Q: What warranty coverage do you offer?
A: We provide a 12-month global warranty covering manufacturing defects, with free replacement or refund available for qualified issues.
Q: Can you customize bearings for specific equipment models?
A: Yes, we offer full OEM/ODM customization services to match your exact specifications, including size, material, and lubrication options.
Q: What is the minimum order quantity for GAC Series bearings?
A: We accept 1pc MOQ for standard items, supporting both emergency repairs and small-batch purchases.
Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we’ll respond within 24 hours.
