Hydraulic cylinder bush ensures precise linear motion of the piston rod through its high-precision inner bore guidance, effectively preventing deflection while maintaining smooth cylinder operation. Its rigid support structure withstands radial loads to protect the cylinder barrel from direct stress, serving as a fundamental component for stable hydraulic performance.
Constructed from wear-resistant bronze alloy or chrome-plated steel, the bush incorporates optimized lubrication channels to reduce friction coefficients to 0.05-0.1. This advanced material and design combination minimizes energy loss through reduced motion resistance while simultaneously protecting the piston rod surface from premature wear, significantly extending the service life of critical moving components.
Functioning as a protective barrier, the bush isolates sealing areas from external contaminants and dampens operational vibrations. Its ability to filter particulate matter and absorb high-frequency impacts contributes to quieter system performance. Regular maintenance inspections every 5,000 operating hours are recommended to monitor wear patterns and prevent potential hydraulic system failures before they occur.
Material: Carbon steel, Alloy steel, Stainless steel
Surface Treatment: Polishing, Deburring, Chrome Plate, Ni Plated, Zinc plated, Silver plating
Customization: Custom design is our primary manufacturing principle.
| Product |
ID Range Diameter |
OD Range Diameter |
Height Range |
| Cylinder Bushing |
10mm ~ 350mm |
20mm ~ 420mm |
8mm ~ 350mm |
| Inner hole H9, outer circle h9, special dimension tolerances can be customized. Others are in accordance with ISO 2768-mK. |
We have been providing the following hydraulic cylinder accessories services to global customers for decades.
- Business Type: OEM & ODM Manufacturer (Custom CNC Machining Services)
- DRW Format: DWG, PDF, IGS, STEP, SLDPRT, SLDDRW, PRT, DRW, DXF, X_T, etc.
- Equipment: CNC Milling Machines, CNC Lathes, Oblique Guide NC Lathe
- QC System: ISO9001: 2008
Our Advantages:
- Reliable Quality
- Competitive Price
- High precision, high quality, tight tolerance
- Continuous Improvement
- Defect-Free Products
- On-Time Delivery
- Customer Satisfaction
- Excellent After-Sales Service
Frequently Asked Questions
What is the primary function of a hydraulic cylinder bush?
It ensures precise linear motion of the piston rod by providing high-precision guidance, preventing deflection, and protecting the cylinder barrel from radial loads.
What materials are used for your cylinder bushings?
We typically use wear-resistant bronze alloys, carbon steel, alloy steel, or stainless steel depending on the application requirements.
Can I customize the dimensions of the bushing?
Yes, customization is our first principle. We can produce ID ranges from 10mm to 350mm and OD ranges from 20mm to 420mm with specific tolerances like H9/h9.
How often should these components be inspected?
We recommend regular maintenance inspections every 5,000 operating hours to monitor wear patterns and ensure optimal system performance.
What surface treatments are available for better durability?
Available treatments include polishing, deburring, chrome plating, Ni plating, zinc plating, and silver plating to reduce friction and prevent wear.
What design file formats do you accept for custom orders?
We support most professional formats including DWG, PDF, IGS, STEP, SLDPRT, DXF, and X_T for our CNC machining services.
Micro Precision
