Spherical Plain Bearing GAC25s GAC28s GAC30s for Engineering Hydraulic Cylinder
Joint Bearing

ISO

Certified

P0-P4

Precision

1 PC

Min. Order

Joint Bearing Spherical Plain Bearings

Spherical Plain Bearing GAC25s GAC28s GAC30s for Engineering Hydraulic Cylinder

Keep your engineering hydraulic cylinders operating smoothly with the Spherical Plain Bearing GAC25s GAC28s GAC30s — self-lubricating steel-on-steel design eliminates maintenance downtime while delivering high precision (25*47*15mm for GAC25s) and long service life under heavy loads. Perfect for construction machinery, forging equipment, and automation systems where reliable rotation under stress is non-negotiable.

  • Whole outer ring structure ensures stability in dynamic applications, reducing wear and extending equipment lifespan
  • Low noise operation enhances workplace comfort without compromising performance
  • Supports OEM/ODM customization to match your specific hydraulic cylinder requirements, backed by our ISO 9001-certified manufacturing process

MOQ

1 Piece

Lead Time

5-15 Days

Warranty

12 Mo.

Precision

P0-P4

Noise Grade

Z2-Z4

Customization

OEM/ODM

  • High-grade chrome steel for long service life
  • Strict raw material inspection & full process monitoring
  • ISO 9001:2015 & ISO 14001 certified
  • ABMA & DIN standards compliant
  • Free samples for qualified distributors
  • T/T, Credit Card & Alibaba payment accepted

Product Details

Product Specifications

Parameter Details
Model NO. GAC25S
Material Bearing Steel
Load Direction Radial Spherical Plain Bearing
Lubrication Type Self-lubricating
Outer Structure Whole Outer Ring
Rod End General
Series GAC
Sliding Contact Steel-on-Steel
Features High Precision, Long Life, Low Noise
Specification 25*47*15 mm
Origin China
HS Code 8482101000

Application Industries

Industry Typical Equipment
Construction Machinery Excavators, Hydraulic Cylinders
Manufacturing Forging Machines, Automation Equipment
Automotive Automobile Shock Absorbers
Water Conservancy Water Conservancy Machinery

Reduce Downtime with Reliable Spherical Plain Bearings GAC25s GAC28s GAC30s for Hydraulic Cylinders

Hydraulic cylinder failures often trace back to bearing issues—premature wear from low-quality materials or poor lubrication costs hours of production time. Many suppliers force minimum orders that leave you overstocked, while slow delivery times extend equipment downtime. For engineering machinery, choosing the wrong bearing means frequent replacements and compromised safety in heavy-load operations.

Self-Lubricating Spherical Plain Bearings Engineered for Heavy-Duty Performance

Our Spherical Plain Bearing GAC series eliminates lubrication maintenance with self-lubricating steel-on-steel construction, ideal for engineering hydraulic cylinders where regular upkeep is difficult. With 16 years of manufacturing experience under ISO9001 and ISO14001 certifications, we ensure each bearing meets P0-P4 precision standards. Whether for forging machines or construction equipment, these bearings deliver consistent performance with 12-month global warranty coverage.

Optimal Performance in Demanding Engineering Environments

Designed for radial load applications, GAC25s, GAC28s, and GAC30s bearings excel in high-stress environments like hydraulic cylinders and construction machinery. Their whole outer ring structure provides stability under heavy loads, while the self-lubricating design reduces friction in dynamic operations. When paired with equipment like excavators or water conservancy machinery, these bearings maintain performance even in dust, vibration, and varying temperature conditions.

Key Technical Features That Maximize Equipment Uptime

The GAC series combines critical engineering elements for reliable operation. Bearing steel construction ensures high load capacity and resistance to wear, extending service life in heavy-duty applications. The 25*47*15 mm specification (GAC25s) offers precise fitment in standard hydraulic cylinder designs, reducing installation time and errors. Self-lubricating properties eliminate the need for regular maintenance, a critical advantage in remote or hard-to-reach machinery components. Steel-on-steel sliding contact provides durability without sacrificing smooth movement, essential for equipment requiring both strength and precision.

Why Quality Bearings Lower Total Operating Costs

Choosing low-grade spherical plain bearings may save upfront costs, but frequent replacements and unplanned downtime quickly erase those savings. A single hydraulic cylinder failure can halt an entire construction project, costing thousands in lost productivity. Our bearings, built to high precision standards, reduce replacement frequency by up to 50% compared to generic alternatives. With ISO certifications and strict quality control, each bearing undergoes testing to ensure load capacity and dimensional accuracy, protecting your equipment investment and minimizing long-term costs.

Your Trusted Partner for Engineering Bearings Since 2005

With operations spanning Europe, America, Southeast Asia, and the Middle East, Jinan Saifan Bearing has built a reputation for reliability. Our in-house R&D and QC lab ensure each bearing meets global standards, while OEM/ODM capabilities allow customization to your exact specifications. We offer flexible ordering with 1pc MOQ for standard items and 3–5 day sample lead times, supporting both emergency repairs and large-scale production. Every bearing comes with free technical guidance and defect replacement, backed by a 12-month warranty that demonstrates our confidence in product quality.

Packaging & Shipping

  • Neutral packing with carton pallet for secure transportation
  • 3–5 day sample lead time for testing and verification
  • 5–15 day bulk delivery via T/T, credit card, or Alibaba trade payment
  • Free samples available (buyer covers freight costs)
  • 1pc MOQ supported for emergency replacement needs

Get Your GAC Series Bearings Shipped Fast

Don’t let bearing failures delay your projects. Send us your required model (GAC25s, GAC28s, GAC30s) and application details, and we’ll provide a quote within 24 hours. With our quick sample delivery and bulk production capacity, you can minimize downtime and keep your equipment running at peak performance.

Frequently Asked Questions

Q: Are these bearings suitable for high-load hydraulic cylinders?

A: Yes, the GAC series is designed as radial spherical plain bearings with bearing steel construction, ideal for heavy-load applications like engineering hydraulic cylinders.

Q: How do I confirm the right size for my equipment?

A: Provide your equipment model or existing bearing specifications, and our technical team will verify compatibility with the GAC25s, GAC28s, or GAC30s dimensions.

Q: What warranty coverage do you offer?

A: All bearings come with a 12-month global warranty, including free defect replacement and technical support.

Q: Can I order a single unit for emergency replacement?

A: Yes, we offer 1pc MOQ for standard items to support urgent repair needs.

Q: How long does it take to receive bulk orders?

A: Bulk delivery typically takes 5–15 days after payment confirmation, with faster options available for urgent orders.

Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we’ll respond within 24 hours.

Tags: engineering hydraulic cylinder bearing GAC25s Bearing GAC28s Bearing GAC30s Bearing High-Precision Spherical Bearing Self-lubricating Spherical Bearing Spherical Plain Bearing Steel-on-Steel Plain Bearing
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