JIS SUJ2 bearing steel is JIS standard Alloy Bearing steel, It belong to the high quality high carbon, alloy chromium,manganese steel.SUJ2 Steel properties is a chromium,manganese alloy steel specification. it is equivalent to AISI 52100, DIN 100Cr6, GB GCr15 steel. Most applications can replace each others.
Alloy 52100 Var-Arc (LESCALLOY®) is a deep hardening alloy steel. Alloy 52100 is generally used for aircraft bearings and in other high stressed parts where good rolling contact fatigue strength is required at operating temperatures below 400°F. Availability Alloy 52100 is available in Bars (Rounds bar).
Martensitic Stainless Steel Bearings- AISI 440C. The carbon content in 400 series stainless steels is high enough so it can be hardened using standard heat-treating methods up to Rc58. Due to the lower hardness, the load carrying capacity is 20% lower in bearings made from this material, than they are with 52100 chrome steel bearings.
Steel with a grade of 52100 is a type of low alloy steel. It consists of the elements carbon, chromium, iron, manganese, silicon, phosphorus and sulphur, with high levels of carbon and chromium. This grade of steel is corrosion-resistant, has excellent hardenability and good machinability. It is mainly used commercially to make steel bearings.
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Tapered roller bearings have tapered rolling elements and rings. This increases the surface contact area between the inner and outer rings, allowing for large radial and thrust loads compared to ball or cylindrical bearings. While there are many steels used for the production of bearings, the most commonly used bearing material is AISI 52100.
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Alloy Steel 52100, as known as AISI 52100, contains a high level of carbon and chromium. This alloy offers users good machinability, as well as forming through conventional methods. The hardening of Alloy Steel 52100 can be achieved by cold working, heating, and quenching.
SAE-AISI 52100 steel is an alloy steel formulated for primary forming into wrought products. 52100 is the designation in both the SAE and AISI systems for this material. G52986 is the UNS number. The properties of SAE-AISI 52100 steel include three common variations. This page shows summary ranges across all of them.
Effects of Heat Treatments on Steels for Bearing Applications K. Clemons, C. Lorraine, G. Salgado, A. Taylor, J. Ogren, P. Umin, and O.S. Es-Said (Submitted July 31, 2006; in revised form August 29, 2006) AISI 52 100, 440C, REX20, and Crucible CRU80 steel samples were exposed to 16 different heat treatments to vary the levels of retained austenite.