Spherical Plain Bearing GAC120s GAC130s GAC140s GAC150s GAC160s Self-lubricating for Construction Machinery

Product Specifications

Application Industries

Minimize Downtime with GAC Series 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 pivot joints seize, projects stall, labor costs rise, and deadlines slip. Finding reliable bearings that handle heavy loads while reducing maintenance frequency remains a constant challenge in the industry.

Self-lubricating Design Cuts Maintenance Costs for Heavy-Duty Applications

The Spherical Plain Bearing GAC120s series eliminates the need for frequent lubrication, a critical advantage for construction machinery working in remote sites or harsh environments. As an integrated manufacturer with ISO9001 certification, we ensure each bearing meets P0-P4 precision standards, delivering consistent performance in engineering hydraulic cylinders and forging machines where reliability directly impacts operational efficiency.

Engineered for the Toughest Construction Environments

These GAC140s and GAC160s bearings excel in radial load applications with their steel-on-steel sliding contact and whole outer ring structure. Designed to withstand the shock and vibration of excavators and construction equipment, they maintain high precision even under extreme working conditions. The self-lubricating feature ensures smooth operation without regular maintenance intervals, making them ideal for machinery operating in dusty or wet job sites.

Key Technical Advantages That Maximize Equipment Uptime

The 120*180*38 mm specification of the GAC120s bearing provides an optimal balance of load capacity and compact design for hydraulic cylinder applications. Its bearing steel construction delivers the toughness required for heavy machinery, while the high-precision manufacturing reduces noise during operation—a benefit for both operator comfort and equipment longevity. The combination of long service life and low noise characteristics directly addresses the dual demands of construction equipment owners: reducing maintenance costs and improving working conditions.

Avoid Hidden Costs of Low-Quality Bearings in Construction Projects

Choosing inferior spherical plain bearings may seem cost-effective initially, but the hidden expenses add up quickly. Early bearing failure in construction machinery can lead to expensive equipment repairs, project delays, and safety risks. Our GAC series bearings, backed by a 12-month global warranty, offer predictable performance and reduce the total cost of ownership by minimizing unplanned maintenance and extending equipment service intervals. Each bearing undergoes rigorous quality control in our dedicated lab, ensuring compliance with international industry standards.

Why Construction Machinery Manufacturers Trust Saifan Bearings

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
• MOQ: 1 piece for standard items, supporting both emergency repairs and large-scale projects

Get Your GAC Series Bearings Delivered Fast

Don’t let bearing issues slow down your construction projects. Send us your equipment model, required bearing size (GAC120s to GAC160s), and quantity, and our technical team will confirm the right fit for your application. With our fast production turnaround and global shipping network, we’ll help you get back to work with minimal disruption.

Frequently Asked Questions