Manufactured from high-quality bearing steel,quenched,and precision ground for high dimensional and running accuracy.The nylon cage is lightweight,offers excellent self-lubrication and low friction,allowing high-speed operation while reducing noise and temperature rise.The open design allows users to pack different types of grease or oil according to specific operating conditions.The optimized internal geometry enables it to withstand moderate bidirectional axial loads while providing stable radial support.Suitable for applications requiring frequent maintenance or clean lubricant.
Bearing designation is 6205-2Z,conforming to ISO 15:2011 standard dimensions.Rings and rolling elements are made of high-purity,vacuum-degassed GCr15 bearing steel,ensuring low internal impurities and long contact fatigue life.The cage material is Polyamide(Nylon)PA66 with 30%glass fiber reinforcement,with a maximum continuous operating temperature of 120°C.Radial internal clearance is standard CN group(normal).The bearing undergoes martensitic hardening,achieving a surface hardness of HRC 58-62 with a tough core.Raceways are super-finished to a surface roughness of Ra<0.05μm.
Widely used in small and medium-sized electric motors,fans,pumps,gearboxes,conveyor rollers,agricultural machinery,and general industrial drive shafts.It is one of the most common models in the replacement and maintenance market.In electric motors,it primarily supports the rotor,carrying radial loads and minor axial forces.In transmission systems,it serves as a locating or non-locating bearing.The installation environment should be relatively clean or equipped with effective external seals.
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