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Servo Flex SFC (Part Numbers)

Servo Flex SFC
  • On Sale Till 31/03/2025

· SFC Model for Servo Coupling
· Application: Servo Motor / Stepping Motor / Encoder.
· Body material: Using aluminum clad in a clear anodized finish.
· Disc members are made of 304 stainless steels.
· Single and double element configurations are available.
· Bores can be configured with clamp, taper-lock, or keyed styles.
· Maximum Rotational Speed Range: 4001 ~ 10000 (r/min).
· Maximum allowable torque: 250 Nm.
· Bore size range: 3 mm to 45mm.
· Backlash: Zero.
· Operating Temperature Range: -30 to 100 °C
· Couplings are precisely assembled using high strength, corrosion resistant fasteners.

(i)Caution

  • Some of the items are scheduled to be discontinued as of end of March in 2023. The manufacturer keep the items produced but they are not available with Misumi.
    There are not the replacement items and the plan to resumption of sale. Please check the quotation and order screen for details.

PDF

Japanese Only

Part Number
SFC-060SA2-17B-32B
SFC-060SA2-17B-35B
SFC-060SA2-18B-16BC
SFC-060SA2-18B-18B
SFC-060SA2-18B-19B
SFC-060SA2-18B-20B
SFC-060SA2-18B-22B
SFC-060SA2-18B-24B
SFC-060SA2-18B-25B
SFC-060SA2-18B-28B
SFC-060SA2-18B-30B
SFC-060SA2-18B-32B
SFC-060SA2-18B-35B
SFC-060SA2-19B-16BC
SFC-060SA2-19B-19B
SFC-060SA2-19B-20B
SFC-060SA2-19B-22B
SFC-060SA2-19B-24B
SFC-060SA2-19B-25B
SFC-060SA2-19B-28B
SFC-060SA2-19B-30B
SFC-060SA2-19B-32B
SFC-060SA2-19B-35B
SFC-060SA2-20B-16BC
SFC-060SA2-20B-20B
SFC-060SA2-20B-22B
SFC-060SA2-20B-24B
SFC-060SA2-20B-25B
SFC-060SA2-20B-28B
SFC-060SA2-20B-30B
SFC-060SA2-20B-32B
SFC-060SA2-20B-35B
SFC-060SA2-22B-16BC
SFC-060SA2-22B-22B
SFC-060SA2-22B-24B
SFC-060SA2-22B-25B
SFC-060SA2-22B-28B
SFC-060SA2-22B-30B
SFC-060SA2-22B-32B
SFC-060SA2-22B-35B
SFC-060SA2-24B-16BC
SFC-060SA2-24B-24B
SFC-060SA2-24B-25B
SFC-060SA2-24B-28B
SFC-060SA2-24B-30B
SFC-060SA2-24B-32B
SFC-060SA2-24B-35B
SFC-060SA2-25B-16BC
SFC-060SA2-25B-25B
SFC-060SA2-25B-28B
SFC-060SA2-25B-30B
SFC-060SA2-25B-32B
SFC-060SA2-25B-35B
SFC-060SA2-28B-16BC
SFC-060SA2-28B-28B
SFC-060SA2-28B-30B
SFC-060SA2-28B-32B
SFC-060SA2-28B-35B
SFC-060SA2-30B-16BC
SFC-060SA2-30B-30B
SFC-060SA2-30B-32B
SFC-060SA2-30B-35B
SFC-060SA2-32B-16BC
SFC-060SA2-35B-16BC
SFC-080SA2-18B-18B
SFC-080SA2-18B-19B
SFC-080SA2-18B-20B
SFC-080SA2-18B-22B
SFC-080SA2-18B-24B
SFC-080SA2-18B-25B
SFC-080SA2-18B-28B
SFC-080SA2-18B-30B
SFC-080SA2-18B-32B
SFC-080SA2-18B-35B
SFC-080SA2-18B-38B
SFC-080SA2-18B-40B
SFC-080SA2-19B-19B
SFC-080SA2-19B-20B
SFC-080SA2-19B-22B
SFC-080SA2-19B-24B
SFC-080SA2-19B-25B
SFC-080SA2-19B-28B
SFC-080SA2-19B-30B
SFC-080SA2-19B-32B
SFC-080SA2-19B-35B
SFC-080SA2-19B-38B
SFC-080SA2-19B-40B
SFC-080SA2-20B-20B
SFC-080SA2-20B-22B
SFC-080SA2-20B-24B
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipRoHSHole diameter d1
(Ø)
Hole diameter d2
(Ø)
O.D.
(Ø)
Full Length
(mm)
Allowable Torque Range
(N•m)
Allowable Torque
(N•m)
Allowable Angular Misalignment
(deg)
Allowable Lateral Misalignment
(mm)
Allowable Lateral Misalignment Range
(mm)
Maximum Rotation Speed
(r/min)
Allowable Axial Clearance (±)
(mm)
Moment of Inertia
(kg・m2)
The size of the tapered adapter
(mm)
Keyway Standard Disc Specifications Allowable Angular Misalignment Detail
(deg)

SGD 214.40

1 Piece(s) 12 Day(s) or more 1017326853.650.01~100.006010.020.02~0.2100000.45205.0×10-6--Single-

SGD 214.41

1 Piece(s) 12 Day(s) or more 1017356853.650.01~100.006010.020.02~0.2100000.45205.0×10-6--Single-

SGD 249.40

1 Piece(s) 16 Day(s) or more 1018-6869.650.01~100.006010.020.02~0.2100000.9228.7×10-616-Single-

SGD 214.82

1 Piece(s) 12 Day(s) or more 1018186853.650.01~100.006010.020.02~0.2100000.45145.9×10-6--Single-

SGD 214.82

1 Piece(s) 12 Day(s) or more 1018196853.650.01~100.006010.020.02~0.2100000.45145.9×10-6--Single-

SGD 214.82

1 Piece(s) 12 Day(s) or more 1018206853.650.01~100.006010.020.02~0.2100000.45145.9×10-6--Single-

SGD 214.82

1 Piece(s) 12 Day(s) or more 1018226853.650.01~100.006010.020.02~0.2100000.45145.9×10-6--Single-

SGD 214.82

1 Piece(s) 12 Day(s) or more 1018246853.650.01~100.006010.020.02~0.2100000.45145.9×10-6--Single-

SGD 214.82

1 Piece(s) 12 Day(s) or more 1018256853.650.01~100.006010.020.02~0.2100000.45205.0×10-6--Single-

SGD 214.82

1 Piece(s) 12 Day(s) or more 1018286853.650.01~100.006010.020.02~0.2100000.45205.0×10-6--Single-

SGD 214.82

1 Piece(s) 12 Day(s) or more 1018306853.650.01~100.006010.020.02~0.2100000.45205.0×10-6--Single-

SGD 214.41

1 Piece(s) 12 Day(s) or more 1018326853.650.01~100.006010.020.02~0.2100000.45205.0×10-6--Single-

SGD 214.42

1 Piece(s) 12 Day(s) or more 1018356853.650.01~100.006010.020.02~0.2100000.45205.0×10-6--Single-

SGD 249.40

1 Piece(s) 16 Day(s) or more 1019-6869.650.01~100.006010.020.02~0.2100000.9228.7×10-616-Single-

SGD 214.82

1 Piece(s) 12 Day(s) or more 1019196853.650.01~100.006010.020.02~0.2100000.45145.9×10-6--Single-

SGD 214.82

1 Piece(s) 12 Day(s) or more 1019206853.650.01~100.006010.020.02~0.2100000.45145.9×10-6--Single-

SGD 214.82

1 Piece(s) 12 Day(s) or more 1019226853.650.01~100.006010.020.02~0.2100000.45145.9×10-6--Single-

SGD 214.82

1 Piece(s) 12 Day(s) or more 1019246853.650.01~100.006010.020.02~0.2100000.45145.9×10-6--Single-

SGD 214.82

1 Piece(s) 12 Day(s) or more 1019256853.650.01~100.006010.020.02~0.2100000.45205.0×10-6--Single-

SGD 214.82

1 Piece(s) 12 Day(s) or more 1019286853.650.01~100.006010.020.02~0.2100000.45205.0×10-6--Single-

SGD 214.82

1 Piece(s) 12 Day(s) or more 1019306853.650.01~100.006010.020.02~0.2100000.45205.0×10-6--Single-

SGD 214.42

1 Piece(s) 12 Day(s) or more 1019326853.650.01~100.006010.020.02~0.2100000.45205.0×10-6--Single-

SGD 214.43

1 Piece(s) 12 Day(s) or more 1019356853.650.01~100.006010.020.02~0.2100000.45205.0×10-6--Single-

SGD 249.40

1 Piece(s) 16 Day(s) or more 1020-6869.650.01~100.006010.020.02~0.2100000.9228.7×10-616-Single-

SGD 214.82

1 Piece(s) 12 Day(s) or more 1020206853.650.01~100.006010.020.02~0.2100000.45145.9×10-6--Single-

SGD 214.82

1 Piece(s) 12 Day(s) or more 1020226853.650.01~100.006010.020.02~0.2100000.45145.9×10-6--Single-

SGD 214.82

1 Piece(s) 12 Day(s) or more 1020246853.650.01~100.006010.020.02~0.2100000.45145.9×10-6--Single-

SGD 214.82

1 Piece(s) 12 Day(s) or more 1020256853.650.01~100.006010.020.02~0.2100000.45205.0×10-6--Single-

SGD 214.82

1 Piece(s) 12 Day(s) or more 1020286853.650.01~100.006010.020.02~0.2100000.45205.0×10-6--Single-

SGD 214.82

1 Piece(s) 12 Day(s) or more 1020306853.650.01~100.006010.020.02~0.2100000.45205.0×10-6--Single-

SGD 214.43

1 Piece(s) 12 Day(s) or more 1020326853.650.01~100.006010.020.02~0.2100000.45205.0×10-6--Single-

SGD 214.44

1 Piece(s) 12 Day(s) or more 1020356853.650.01~100.006010.020.02~0.2100000.45205.0×10-6--Single-

SGD 249.40

1 Piece(s) 16 Day(s) or more 1022-6869.650.01~100.006010.020.02~0.2100000.9228.7×10-616-Single-

SGD 214.82

1 Piece(s) 12 Day(s) or more 1022226853.650.01~100.006010.020.02~0.2100000.45145.9×10-6--Single-

SGD 214.82

1 Piece(s) 12 Day(s) or more 1022246853.650.01~100.006010.020.02~0.2100000.45145.9×10-6--Single-

SGD 214.82

1 Piece(s) 12 Day(s) or more 1022256853.650.01~100.006010.020.02~0.2100000.45205.0×10-6--Single-

SGD 214.82

1 Piece(s) 12 Day(s) or more 1022286853.650.01~100.006010.020.02~0.2100000.45205.0×10-6--Single-

SGD 214.82

1 Piece(s) 12 Day(s) or more 1022306853.650.01~100.006010.020.02~0.2100000.45205.0×10-6--Single-

SGD 214.44

1 Piece(s) 12 Day(s) or more 1022326853.650.01~100.006010.020.02~0.2100000.45205.0×10-6--Single-

SGD 214.45

1 Piece(s) 12 Day(s) or more 1022356853.650.01~100.006010.020.02~0.2100000.45205.0×10-6--Single-

SGD 249.40

1 Piece(s) 16 Day(s) or more 1024-6869.650.01~100.006010.020.02~0.2100000.9228.7×10-616-Single-

SGD 214.82

1 Piece(s) 12 Day(s) or more 1024246853.650.01~100.006010.020.02~0.2100000.45145.9×10-6--Single-

SGD 214.82

1 Piece(s) 12 Day(s) or more 1024256853.650.01~100.006010.020.02~0.2100000.45205.0×10-6--Single-

SGD 214.82

1 Piece(s) 12 Day(s) or more 1024286853.650.01~100.006010.020.02~0.2100000.45205.0×10-6--Single-

SGD 214.82

1 Piece(s) 12 Day(s) or more 1024306853.650.01~100.006010.020.02~0.2100000.45205.0×10-6--Single-

SGD 214.45

1 Piece(s) 12 Day(s) or more 1024326853.650.01~100.006010.020.02~0.2100000.45205.0×10-6--Single-

SGD 214.46

1 Piece(s) 12 Day(s) or more 1024356853.650.01~100.006010.020.02~0.2100000.45205.0×10-6--Single-

SGD 249.40

1 Piece(s) 16 Day(s) or more 1025-6869.650.01~100.006010.020.02~0.2100000.9287.8×10-616-Single-

SGD 214.82

1 Piece(s) 12 Day(s) or more 1025256853.650.01~100.006010.020.02~0.2100000.45268.6×10-6--Single-

SGD 214.82

1 Piece(s) 12 Day(s) or more 1025286853.650.01~100.006010.020.02~0.2100000.45268.6×10-6--Single-

SGD 214.82

1 Piece(s) 12 Day(s) or more 1025306853.650.01~100.006010.020.02~0.2100000.45268.6×10-6--Single-

SGD 214.47

1 Piece(s) 12 Day(s) or more 1025326853.650.01~100.006010.020.02~0.2100000.45268.6×10-6--Single-

SGD 214.47

1 Piece(s) 12 Day(s) or more 1025356853.650.01~100.006010.020.02~0.2100000.45268.6×10-6--Single-

SGD 249.40

1 Piece(s) 16 Day(s) or more 1028-6869.650.01~100.006010.020.02~0.2100000.9287.8×10-616-Single-

SGD 214.82

1 Piece(s) 12 Day(s) or more 1028286853.650.01~100.006010.020.02~0.2100000.45268.6×10-6--Single-

SGD 214.82

1 Piece(s) 12 Day(s) or more 1028306853.650.01~100.006010.020.02~0.2100000.45268.6×10-6--Single-

SGD 214.48

1 Piece(s) 12 Day(s) or more 1028326853.650.01~100.006010.020.02~0.2100000.45268.6×10-6--Single-

SGD 214.48

1 Piece(s) 12 Day(s) or more 1028356853.650.01~100.006010.020.02~0.2100000.45268.6×10-6--Single-

SGD 249.40

1 Piece(s) 16 Day(s) or more 1030-6869.650.01~100.006010.020.02~0.2100000.9287.8×10-616-Single-

SGD 214.82

1 Piece(s) 12 Day(s) or more 1030306853.650.01~100.006010.020.02~0.2100000.45268.6×10-6--Single-

SGD 214.49

1 Piece(s) 12 Day(s) or more 1030326853.650.01~100.006010.020.02~0.2100000.45268.6×10-6--Single-

SGD 214.49

1 Piece(s) 12 Day(s) or more 1030356853.650.01~100.006010.020.02~0.2100000.45268.6×10-6--Single-

SGD 249.49

1 Piece(s) 16 Day(s) or more 1032-6869.650.01~100.006010.020.02~0.2100000.9287.8×10-616-Single-

SGD 249.49

1 Piece(s) 16 Day(s) or more 1035-6869.650.01~100.006010.020.02~0.2100000.9287.8×10-616-Single-

SGD 301.07

1 Piece(s) 12 Day(s) or more 101818826850.01~100.0010010.020.02~0.2100000.55710.6×10-6--Single-

SGD 301.07

1 Piece(s) 12 Day(s) or more 101819826850.01~100.0010010.020.02~0.2100000.55710.6×10-6--Single-

SGD 301.08

1 Piece(s) 12 Day(s) or more 101820826850.01~100.0010010.020.02~0.2100000.55710.6×10-6--Single-

SGD 301.08

1 Piece(s) 12 Day(s) or more 101822826850.01~100.0010010.020.02~0.2100000.55710.6×10-6--Single-

SGD 301.09

1 Piece(s) 12 Day(s) or more 101824826850.01~100.0010010.020.02~0.2100000.55710.6×10-6--Single-

SGD 301.09

1 Piece(s) 12 Day(s) or more 101825826850.01~100.0010010.020.02~0.2100000.55710.6×10-6--Single-

SGD 301.10

1 Piece(s) 12 Day(s) or more 101828826850.01~100.0010010.020.02~0.2100000.55710.6×10-6--Single-

SGD 301.10

1 Piece(s) 12 Day(s) or more 101830826850.01~100.0010010.020.02~0.2100000.55710.6×10-6--Single-

SGD 301.11

1 Piece(s) 12 Day(s) or more 101832826850.01~100.0010010.020.02~0.2100000.55710.6×10-6--Single-

SGD 301.11

1 Piece(s) 12 Day(s) or more 101835826850.01~100.0010010.020.02~0.2100000.55710.6×10-6--Single-

SGD 301.12

1 Piece(s) 12 Day(s) or more 101838826850.01~100.0010010.020.02~0.2100000.55710.6×10-6--Single-

SGD 301.12

1 Piece(s) 12 Day(s) or more 101840826850.01~100.0010010.020.02~0.2100000.55710.6×10-6--Single-

SGD 301.13

1 Piece(s) 12 Day(s) or more 101919826850.01~100.0010010.020.02~0.2100000.55710.6×10-6--Single-

SGD 301.13

1 Piece(s) 12 Day(s) or more 101920826850.01~100.0010010.020.02~0.2100000.55710.6×10-6--Single-

SGD 301.14

1 Piece(s) 12 Day(s) or more 101922826850.01~100.0010010.020.02~0.2100000.55710.6×10-6--Single-

SGD 301.14

1 Piece(s) 12 Day(s) or more 101924826850.01~100.0010010.020.02~0.2100000.55710.6×10-6--Single-

SGD 301.15

1 Piece(s) 12 Day(s) or more 101925826850.01~100.0010010.020.02~0.2100000.55710.6×10-6--Single-

SGD 301.15

1 Piece(s) 12 Day(s) or more 101928826850.01~100.0010010.020.02~0.2100000.55710.6×10-6--Single-

SGD 301.16

1 Piece(s) 12 Day(s) or more 101930826850.01~100.0010010.020.02~0.2100000.55710.6×10-6--Single-

SGD 301.16

1 Piece(s) 12 Day(s) or more 101932826850.01~100.0010010.020.02~0.2100000.55710.6×10-6--Single-

SGD 301.17

1 Piece(s) 12 Day(s) or more 101935826850.01~100.0010010.020.02~0.2100000.55710.6×10-6--Single-

SGD 301.17

1 Piece(s) 12 Day(s) or more 101938826850.01~100.0010010.020.02~0.2100000.55710.6×10-6--Single-

SGD 301.18

1 Piece(s) 12 Day(s) or more 101940826850.01~100.0010010.020.02~0.2100000.55710.6×10-6--Single-

SGD 303.16

1 Piece(s) 12 Day(s) or more 102020826850.01~100.0010010.020.02~0.2100000.55710.6×10-6--Single-

SGD 303.16

1 Piece(s) 12 Day(s) or more 102022826850.01~100.0010010.020.02~0.2100000.55710.6×10-6--Single-

SGD 303.16

1 Piece(s) 12 Day(s) or more 102024826850.01~100.0010010.020.02~0.2100000.55710.6×10-6--Single-

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Basic Information

Type Type of Flat Springs Application Servo Motor / Stepping Motor / Encoder Features High torsional rigidity / High Torque / High accuracy / High durability / Backlash 0 / Low Inertia Moment / Small
Allowable Misalignment Angular Misalignment / Eccentricity / Axial Misalignment Max. Rotational Speed Range(r/min) 4001~10000 Body Material Aluminum
Product Category Coupling body Disc Material Stainless Steel Operating Temperature Range(°C) -30::100

Frequently asked question (FAQ)

Question: What is the main feature of the SFC model coupling?
Answer: The SFC model coupling features a lightweight, high-strength aluminum alloy clamp hub, offering a high torsional rigidity that enables high responsiveness. It is available in a high-rigidity single element type and a double element type with spacers for flexibility, both designed to reduce inertia by linking the hub outer diameter with the shaft diameter.
Question: How does the SFC model ensure ultra-low inertia?
Answer: The SFC model achieves ultra-low inertia by adjusting the clamp hub's outer diameter to match the adopted bore size. For smaller bore sizes, the outer diameter is reduced to minimize inertia, making it ideal for high acceleration operations. There are three shape patterns based on the bore size combinations.
Question: What makes the installation of the SFC model simple and reliable?
Answer: The SFC model uses a clamp method for shaft fastening, requiring only the tightening of one bolt on each side for installation. The clamp hub is resistant to vibration and shock, ensuring a secure connection with friction-based power transmission, eliminating backlash. Both sides of the coupling are aligned with a dedicated jig to ensure concentricity.
Question: Can it be used in clean room?
Answer: Yes, the SFC model offers a simplified clean solution with clean washing and assembly (ISO Class 6) and clean packaging. To enhance anti-corrosion effects, surface treatment changes and bolt upgrades to stainless steel or electroless nickel plating are implemented.

Check other FAQ (1 items) Hide

Tech Support

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Tel:(65) 6733 7211 / FAX:(65) 6733 0211
9:00am - 6:00pm (Monday - Friday)