Features： 1、Plain Bearing: Works in coordination with the machine in a uniform rotational speed, largely improves the efficiency. 2、Sturdy Design: Long, thin, the sturdy structure with even hardness ensures great load bearing capacity with stability. 3、Broad Utility: Widely used in engineering hydraulic cylinders, forging machine tools, engineering machinery and so on. 4、Good Material: Forged with high quality high carbon chromium bearing steel, very durable with wearing and corrosion. 5、4Pcs in 1 Set: Including 4pcs spherical plain bearing, which adds more convenience to installation and replacement. Specification： Item Type: Spherical Bearing Material: High Carbon Chromium Bearing Steel Application: Widely used in engineering hydraulic cylinders, forging machine tools, engineering machinery, automation equipment, automotive shock absorbers, water conservancy machinery, etc. Product Parameter and Specifications:  Model ID, OD and Thickness(Approx.) GE20ES-2RS 20mm / 0.79in, 35mm / 1.38in, 16mm / 0.63in GE25ES-2RS 25mm / 0.98in, 42mm / 1.65in, 20mm / 0.79in GE30ES-2RS 37mm / 1.46in, 47mm / 1.85in, 22mm / 0.87in GE35ES-2RS 35mm / 1.38in, 55mm / 2.17in, 25mm / 0.98in GE40ES-2RS 40mm / 1.57in, 62mm / 2.44in, 28mm / 1.1in Package List： 4 x Spherical Bearing