SFS Model datasheets
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METAL DISC COUPLINGS SINGLE ELEMENT TYPE / Key/Set Screw Type ■ Specifications Misalignment Torsional stiffness [N·m/rad] • Higher rpm possible with balancing. • The moment of inertia and mass are specified for the maximum bore diameter. Pilot bore ■ Standard Bore Diameter Model Standard bore diameter d1 • d2 [mm] 8 SFS-10S-25H-30H Bore diameter: d1 (Small diameter) ‒ d2 (Large diameter) Blank: Pilot bore Bore specifications Blank: Compliant with the old JIS standards (class 2) E9 Type: S H: Compliant with JIS standards H9 Single element J: Compliant with JIS standards JS9

Unit [mm] Models compliant with the old JIS standard (class 2) JIS B 1301 1959 Models compliant with the new JIS standard (H9) JIS B 1301 1996 Models compliant with the new JIS standard (JS9) JIS B 1301 1996 Models compliant with the new JIS standard (P9) JIS B 1301 1996 Set screw hole [M] Keyway Keyway Bore height Nominal diameter width [d1 • d2] [W1 • W2] [T1 • T2] bore diameter Tolerance Tolerance — H7, H8 E9 Keyway Keyway Bore width height Nominal diameter [d1 • d2] [W1 • W2] [T1 • T2] bore diameter Tolerance Tolerance H9 — H7, H8 Keyway Bore width Nominal diameter [d1 • d2] [W1 • W2]...

METAL DISC COUPLINGS SERVOFLEX SFS S-C – Datasheet SINGLE ELEMENT TYPE Electroless nickel coat / Key/Set Screw Type ■ Specifications Misalignment Torsional stiffness [N·m/rad] • Higher rpm possible with balancing. • The moment of inertia and mass are specified for the maximum bore diameter. ■ Standard Bore Diameter Model Standard bore diameter d1 • d2 [mm] 8 SFS-10S-C-25H-30H Bore diameter: d1 (Small diameter) ‒ d2 (Large diameter) Surface finishing Bore specifications ‒C: Electroless nickel plating Blank: Compliant with the old JIS standards (class 2) E9 H: Compliant with JIS standards H9...

Unit [mm] Models compliant with the old JIS standard (class 2) JIS B 1301 1959 Models compliant with the new JIS standard (H9) JIS B 1301 1996 Models compliant with the new JIS standard (JS9) JIS B 1301 1996 Models compliant with the new JIS standard (P9) JIS B 1301 1996 Set screw hole [M] Keyway Keyway Bore height Nominal diameter width [d1 • d2] [W1 • W2] [T1 • T2] bore diameter Tolerance Tolerance — H7, H8 E9 Keyway Keyway Bore width height Nominal diameter [d1 • d2] [W1 • W2] [T1 • T2] bore diameter Tolerance Tolerance H9 — H7, H8 Keyway Bore width Nominal diameter [d1 • d2] [W1 • W2]...

METAL DISC COUPLINGS SERVOFLEX SFS S-M-C – Datasheet SINGLE ELEMENT TYPE Conical Clamp Hub / Tapered Shaft Supported ■ Specifications Misalignment Torsional stiffness [N·m/rad] • Higher rpm possible with balancing. • The moment of inertia and mass are specified for the maximum bore diameter. Detachment screw hole M2 Bore diameter • The machining tolerance for paired mounting shafts of the hub on the friction-coupled side is h7 (h6 or g6) class. SFS-08S-20M- 16 C Size Types 　S Single element ： Bore diameter d1 Affixing method 　M: Conical clamping hub Bore diameter d2 Material: S45C...

METAL DISC COUPLINGS SERVOFLEX SFS S-M-M – Datasheet SINGLE ELEMENT TYPE / Conical Clamping Hub ■ Specifications Misalignment Torsional stiffness [N·m/rad] • Check the Standard Bore Diameters as there may be limitations on the rated torque caused by the holding power of the coupling shaft section. • Higher rpm possible with balancing. • The moment of inertia and mass are specified for the maximum bore diameter. Detachment screw hole M2 Detachment screw hole M2 Reamer bolt M Unit [mm] Model Bore diameter

Standard bore diameter d2 [mm] SFS-06 Standard bore diameter d1 [mm] ● Standard bore diameter d2 [mm] 15M 16M Standard bore diameter d1 [mm] Standard bore diameter d2 [mm] 25M Standard bore diameter d1 [mm] ● Standard bore diameter d2 [mm] 25M Standard bore diameter d1 [mm] ● Standard bore diameter d2 [mm] SFS-12 Standard bore diameter d1 [mm] ● Standard bore diameter d2 [mm] SFS-14 Standard bore diameter d1 [mm] • Bore diameters marked with ● or numbers are supported as the standard bore diameters. Contact Miki Pulley regarding special arrangements which may be possible for other bore...

METAL DISC COUPLINGS DOUBLE ELEMENT TYPE / Key/Set Screw Type ■ Specifications Model Torsional stiffness [N·m/rad] • Higher rpm possible with balancing. • The moment of inertia and mass are specified for the maximum bore diameter. Pilot bore ■ Standard Bore Diameter Model Standard bore diameter d1 • d2 [mm] 8 SFS-10W-25H-30H Size Type: W Double element Material: S45C heat-treated or an equivalent Bore diameter: d1 (Small diameter) ‒ d2 (Large diameter) Blank: Pilot bore Bore specifications Blank: Compliant with the old JIS standards (cla

Unit [mm] Models compliant with the old JIS standard (class 2) JIS B 1301 1959 Models compliant with the new JIS standard (H9) JIS B 1301 1996 Models compliant with the new JIS standard (JS9) JIS B 1301 1996 Models compliant with the new JIS standard (P9) JIS B 1301 1996 Set screw hole [M] Keyway Keyway Bore height Nominal diameter width [d1 • d2] [W1 • W2] [T1 • T2] bore diameter Tolerance Tolerance — H7, H8 E9 Keyway Keyway Bore width height Nominal diameter [d1 • d2] [W1 • W2] [T1 • T2] bore diameter Tolerance Tolerance H9 — H7, H8 Keyway Bore width Nominal diameter [d1 • d2] [W1 • W2]...

METAL DISC COUPLINGS SERVOFLEX SFS W-C – Datasheet DOUBLE ELEMENT TYPE Electroless nickel coat / Key/Set Screw Type ■ Specifications Model Torsional stiffness [N·m/rad] • Higher rpm possible with balancing. • The moment of inertia and mass are specified for the maximum bore diameter. ■ Standard Bore Diameter Model Standard bore diameter d1 • d2 [mm] 8 SFS-10W-C-25H-30H Bore diameter: d1 (Small diameter) ‒ d2 (Large diameter) Surface finishing Bore specifications ‒C: Electroless nickel plating Blank: Compliant with the old JIS standards (class 2) E9 H: Compliant with JIS standards H9 Type: W...