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Higher Performance Capacity Through the Use of Coatings
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Catalog excerpts

Higher Performance Capacity  Through the Use of Coatings - 1

Higher Performance Capacity Through the Use of Coatings Coated rolling bearings and precision components

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Higher Performance Capacity  Through the Use of Coatings - 3

Contents Coating systems and their areas of application 2 1 Main function Anti-corrosion protection 2 Main function Anti-wear protection / 3 Main function Current insulation 5 4 Main function Surfaces subjected to high 1 Main function - Anti-corrosion protection Corrotect® coating systems: Corrotect® thin layer coating (zinc-iron alloy) 6 Corrotect® Zl (zinc-iron alloy) 7 Corrotect® ZN (zinc-nickel alloy) 8 Corrotect® ZK (zinc, electroplated) 8 Corrotect® ZF (zinc, lamellar coating) 9 2 Main function - Anti-wear protection / friction reduction Durotect® coating systems: Durotect® B (mixed...

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Coating systems and their areas of application Anti-corrosion protection Corrotect® HA (AI) Corrotect® A*, C, F Corrotect® N*, P, T Durotect® ZK Corrotect® ZI Corrotect® ZN Durotect® ZF Anti-wear protection Insutect® A Durotect® CK Durotect® CM Triondur® TN Durotect® P Durotect® CK* Triondur® CX+ Triondur® C, C+ Triondur® CN, CH Durotect® B Durotect® M Durotect® Z Durotect® C Durotect® S Durotect® P Friction reduction

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Coatings · Overview Bearings and precision components from the Schaeffler Group offer high performance capacity and a long operating life. They provide the user with thoroughly developed and economical solutions for the large majority of requirements. The characteristics of the components can be expanded by the use of suitable coating systems, thus offering the customer advantages in the application. The Schaeffler modular coating concept allows a dedicated solution for the customer with the coating as a design element. Through the prevention of corrosion and wear, Schaeffler coating...

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2 Main function: Anti-wear protection and friction reduction – Durotect ® coating systems Main functions Anti-corrosion Anti-wear Friction protection reduction protection Designation Coating system Comment Suffix Mixed iron oxide CT240 Columnar hard chromium coating CT230 Columnar hard chromium coating plus mixed chromium oxide CT231 Microcracked hard chromium coating CT220 – CT224 Hard anodising (Al) Polymer-based coating CT700 – CT702 Additional function Main area of application Special feature Improved running-in behaviour, reduced slippage damage, slight anti-corrosion protection...

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3 Main function: Current insulation – Insutect ® coating systems Designation Coating system Comment Suffix Main functions Anti-corrosion Anti-wear protection protection Aluminium oxide Main area of application Special feature Friction reduction Main function Current insulation Industrial, rail vehicles, electric motors, generators 4 Main function: Surfaces subjected to high tribomechanical stresses – Triondur ® coating systems Additional function Main area of application Special feature Automotive, valve train components Reduced slippage damage Automotive, valve train components Industrial,...

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Higher Performance Capacity  Through the Use of Coatings - 8

Main function: – Anti-corrosion protection Corrotect ® thin layer coating (zinc-iron alloy) Features Colour: dependent on post-treatment A*: iridescent silver - Cr(VI)-free N*: silver, slightly iridescent - Cr(VI)-free Coating structure Zinc-iron coating with passivation A*/N* Layer thickness 0,5 – 3 μm or 2 – 5 μm. A* = thick layer passivation N* = nanoparticle-based passivation Advantages/benefits • Anti-corrosion protection, 48 – 360 hours against red rust formation (depending on design type) in accordance with salt spray test to DIN EN ISO 9227. • Economical cathodic anti-corrosion...

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Main function: – Anti-corrosion protection Corrotect ® ZI (zinc-iron alloy) Features Colour: dependent on post-treatment A*: iridescent silver - Cr(VI)-free N*: silver, slightly iridescent - Cr(VI)-free Coating structure Zinc-iron coating with passivation A*/N* Layer thickness Dependent on requirement, 5 μm or more. A* = thick layer passivation N* = nanoparticle-based passivation Advantages/benefits • Anti-corrosion protection, 120 – 600 hours against red rust formation (depending on design type) in accordance with salt spray test to DIN EN ISO 9227. • Economical cathodic anti-corrosion...

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Main function: – Anti-corrosion protection Corrotect ® ZN (zinc-nickel alloy) Features Colour: dependent on post-treatment, preferably with thick layer passivation A* silver, at some points slightly iridescent yellow; Cr(VI)-free Coating structure Zinc-nickel coating with thick layer passivation A*. Layer thickness Dependent on requirement, 2 μm or more. Advantages/benefits • Anti-corrosion protection, 360 – 720 hours against red rust formation (depending on design type) in accordance with salt spray test to DIN EN ISO 9227. • High quality cathodic anti-corrosion protection. Applications •...

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Main function: – Anti-corrosion protection Corrotect ® ZF (zinc lamellar coating) Features Colour: silver-grey Coating structure Soft zinc lamellar coating, partially cathodic, paint-type anti-corrosion protection. Layer thickness 8 – 15 μm Advantages/benefits • Anti-corrosion protection, up to 720 hours against red rust formation (salt spray test to DIN EN ISO 9227). Applications • Principally automotive sector: wheel bearings, sensor and intermediate rings, screws.

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Main function – Anti-wear protection / friction reduction Durotect ® B (mixed iron oxide) Features (dependent on material) Colour: dark brown to deep black Coating structure Coating comprising mixed iron oxides. Layer thickness 0,5 – 2 μm. Advantages/benefits • Improvement in running-in behaviour of bearings • Favourable under low risk of slippage. Applications • Rolling elements and rings for bearings in wind turbines and railway drive bearings • Full complement cylindrical roller bearingsBall bearings under poor lubrication conditions.

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