SKF
Customized Thin Section Bearings
SKF’s customized thin section bearings address applications where standard Reali-Slim or Ultra-Slim catalog products do not fully meet the envelope, load, integration, or environmental requirements. SKF engineering teams collaborate with OEMs to design bearings with specific diameters, cross-sections, material grades (including high-nitrogen stainless or high-temperature steels), coatings, integrated seals, sensor targets, gear teeth, or bolt holes. The process includes finite element analysis of the thin rings under load, preload optimisation, and lubrication selection matched to cleanroom, vacuum, or cryogenic conditions. Custom thin section bearings are delivered with full documentation and test reports, ensuring they integrate seamlessly into high-value equipment such as semiconductor lithography tools, high-energy physics apparatus, and defence systems.
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Trusted by Industry Leaders
Unlimited Diameter and Profile
Any bore, any cross-section, any width.
Functionally Integrated
Bearings with mounting flanges, gears, encoder rings.
Special Materials
HNSS, titanium, ceramic balls for extreme environments.
Application-Specific Lubrication
Dry film, vacuum grease, or solid lubricant.
FEA Design Optimisation
Computer-validated stress, stiffness, and life predictions.
Dedicated Project Management
SKF engineers manage from concept through validation.
Custom Bearings for Semiconductor Wafer Stages
Next-generation lithography stages require bearings with nanometer runout and integrated cooling. SKF custom thin section bearings incorporate these features in a single, validated component, reducing stage complexity and accelerating tool development.
Process for Requesting a Custom Thin Section Bearing
OEMs can submit load, space, precision, and environmental requirements via SKF application engineers. A feasibility study is performed, followed by a 3D CAD model and prototype delivery. SKF’s manufacturing flexibility ensures low to medium volume custom production is cost-effective.