Hydraulic Cylinder Guide Bushing | Alloy Steel Rod Guide Sleeve
Product Introduction
Hydraulic Cylinder Guide Bushing, crafted from high-strength alloy steel, is an essential component designed to provide precise guidance and support for the piston rod within hydraulic cylinders operating under extreme pressure and load conditions. Unlike standard bronze sleeves, this guide sleeve is engineered for demanding environments where strength, impact resistance, and long service life are top priorities.
Manufactured from materials like 42CrMo, SCM440, or 20CrMnTi, this alloy steel guide sleeve undergoes precision machining and heat treatment to achieve high surface hardness, excellent structural integrity, and a superior wear-resistant profile. The bushing not only supports the piston rod but also absorbs lateral forces, ensuring axial alignment, reducing friction, and enhancing the overall reliability of the hydraulic system.
Product Description
The cylinder guide sleeve plays a guiding and supporting role on the piston rod, which requires high matching precision, small friction resistance, good wear resistance, and can withstand the pressure, bending force and impact vibration of the piston rod. The inside is equipped with a sealing device to ensure that the cylinder is sealed by the rod cavity, and the outside is equipped with a dust ring to prevent impurities, dust and moisture from being brought to the sealing device and damaging the seal.
Metal guide sets are generally made of bronze, gray cast iron, nodular cast iron and oxidized cast iron with small friction coefficient and good wear resistance; Non-metal guide sleeve can be made of polytetrafluoroethylene and polytrifluorochloroethylene, etc.
Product parameters
| Product Name | Cylinder Guide Sleeve / Hydraulic Rod Guide Bushing |
| Application | Hydraulic Cylinders – Construction, Industrial |
| Steel Grade | 42CrMo/SCM440/4140, 40Cr, 20CrMnTi, C45/S45C,HT200/HT250,QT450,CuSn8 |
| Outer Diameter (OD) | 20-30μm(min |
| Inner Diameter (ID) | 850HV(min) |
| Length | Ra0.2um(max |
| Tolerance (OD/ID) | ≥350 Mpa |
| Hardness | HB 90–130 (bronze) / HRC 45–55 (hardened steel) / HB 170–250 (cast iron) |
| Customization | Material, dimensions, tolerances, grooves, surface finish |
| Common Standards | ISO 3320, ISO 6020-2, DIN 24336, customer drawing |
| Lubrication Feature | Optional oil groove, grease hole, self-lubricating surface (PTFE/bronze) |
| Surface Treatment Options | 1.Phosphating |
| 2.Black Oxide | |
| 3.Quenched | |
| 4.Painted |
Product Applications
> Earth-moving equipment: excavators, bulldozers
> Mining machinery: underground loaders, hydraulic drills
> Heavy-duty industrial presses and forging machinery
> Marine and offshore hydraulic systems
> Steel mill hydraulic control systems
> Tunnel boring and oilfield equipment
Product Display
Inspection and packaging drawings
| Keywords
Heavy Duty Hydraulic Cylinder Bushing, Alloy Steel Cylinder Guide Sleeve, 42CrMo Guide Bushing for Piston Rod, Hydraulic Rod Guide Bushing, High Load Cylinder Sleeve, Wear-Resistant Guide Bushing, Steel Hydraulic Cylinder Parts, Custom Alloy Steel Bushing, Quenched Tempered Guide Sleeve, Rod Guide Sleeve for Industrial Cylinder