Spindel- und Lagerungstechnik Fraureuth GmbH (SLF)

Founded in Germany, SLF (Spindel- und Lagerungstechnik Fraureuth GmbH) has over 70 years of manufacturing history and is a professional manufacturer of precision rolling bearings and spindle systems. Adhering to the high-quality standards of “Made in Germany,” SLF’s products are widely applied in machining, machine tools, energy, medical technology, food packaging, printing equipment, and special engineering fields.

• Angular Contact Ball Bearings
‣ Suitable for high-speed spindles and machine tools; available in single-row, double-row, and multi-row designs, achieving P4 / P2 accuracy levels

• Cylindrical Roller Bearings
‣ High load capacity; commonly used in grinding machines, rolling mills, and heavy machinery

• Deep Groove Ball Bearings
‣ Available in standard and customized non-standard designs; features high-speed capability and low noise

• Spherical Roller Bearings
‣ Self-aligning to compensate for shaft eccentricity and misalignment; suitable for heavy machinery and harsh operating conditions

• Thrust Bearings
‣ Includes thrust ball bearings and thrust roller bearings, used in axial load-dominated applications

Spindle Systems
• Lathe, grinder, and milling machine spindle units
‣ Integrated precision spindle design and assembly services
• High-frequency electric spindles and belt-driven spindles
‣ Applied in CNC machining centers and automation equipment
• Customized high-speed spindle units
‣ Developed according to customer requirements, including cooling, lubrication, and sealing designs

Special Bearings
• High-Temperature Bearings: Capable of withstanding up to 300°C operating temperature
• Stainless Steel Bearings: Suitable for food, pharmaceutical, and chemical industries, with corrosion resistance
• Non-Standard Size Bearings: Manufactured according to customer drawings and special dimensions
• Sealed Bearings: Equipped with dust- and water-resistant structures, extending service life and reducing maintenance frequency