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Step Flex STF

Step Flex STF

Newly developed multi-layer rubber element achieves high attenuation and low recoil force. Couplings with high damping performance. For servo and stepper motors.
Integrated structure with no backlash that adopts HNBR for the power transmitting element. Damps vibration more quickly than a flexible coupling using metal for the elastic part.
This makes it possible to inhibit resonance, a phenomenon which tends to occur with stepper motors, etc. Helps avoid resonance over a wide range of operating speeds. Provides stable high speed control.
Furthermore, by using a layered rubber element sandwiched between HNBR with different levels of hardness, the shaft reaction force due to misalignment is reduced. The burden on the counter shaft and bearing can be reduced drastically.

(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

Configured Part Number is shown.

 
Part Number
STF-056SA1-8B-15B
STF-056SA1-8B-30B
STF-056SA1-10B-25B
STF-056SA1-12B-12B
STF-056SA1-12B-24B
STF-056SA1-12B-25B
STF-056SA1-14B-15B
STF-056SA1-14B-19B
STF-056SA1-14B-22B
STF-056SA1-14B-24B
STF-056SA1-15B-15B
STF-056SA1-15B-22B
STF-056SA1-15B-28B
STF-056SA1-17B-25B
STF-056SA1-18B-18B
STF-056SA1-19B-20B
STF-056SA1-19B-22B
STF-056SA1-19B-25B
STF-056SA1-19B-28B
STF-056SA1-20B-20B
STF-056SA1-20B-22B
STF-056SA1-20B-25B
STF-056SA1-20B-28B
STF-056SA1-22B-25B
STF-056SA1-24B-25B
STF-056SA1-25B-25B
STF-056SA1-25B-30B
STF-056SA1-28B-30B
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 Lateral Misalignment
(mm)
Allowable Axial Clearance (±)
(mm)
Moment of Inertia
(kg・m2)

1,620,716 IDR

1 Piece(s) 16 Day(s) or more 10815566050.01~100.00600.20.3125.5×10-6

1,620,716 IDR

1 Piece(s) 16 Day(s) or more 10830566050.01~100.00600.20.3125.5×10-6

1,620,716 IDR

1 Piece(s) 16 Day(s) or more 101025566050.01~100.00600.20.3125.5×10-6

1,620,716 IDR

1 Piece(s) 16 Day(s) or more 101212566050.01~100.00600.20.3125.5×10-6

1,620,716 IDR

1 Piece(s) 16 Day(s) or more 101224566050.01~100.00600.20.3125.5×10-6

1,620,716 IDR

1 Piece(s) 16 Day(s) or more 101225566050.01~100.00600.20.3125.5×10-6

1,620,716 IDR

1 Piece(s) 16 Day(s) or more 101415566050.01~100.00600.20.3125.5×10-6

1,620,716 IDR

1 Piece(s) 16 Day(s) or more 101419566050.01~100.00600.20.3125.5×10-6

1,620,716 IDR

1 Piece(s) 16 Day(s) or more 101422566050.01~100.00600.20.3125.5×10-6

1,620,716 IDR

1 Piece(s) 16 Day(s) or more 101424566050.01~100.00600.20.3125.5×10-6

1,620,716 IDR

1 Piece(s) 16 Day(s) or more 101515566050.01~100.00600.20.3125.5×10-6

1,620,716 IDR

1 Piece(s) 16 Day(s) or more 101522566050.01~100.00600.20.3125.5×10-6

1,620,716 IDR

1 Piece(s) 11 Day(s) or more 101528566050.01~100.00600.20.3125.5×10-6

1,620,716 IDR

1 Piece(s) 16 Day(s) or more 101725566050.01~100.00600.20.3125.5×10-6

1,620,716 IDR

1 Piece(s) 16 Day(s) or more 101818566050.01~100.00600.20.3125.5×10-6

1,620,716 IDR

1 Piece(s) 16 Day(s) or more 101920566050.01~100.00600.20.3125.5×10-6

1,620,716 IDR

1 Piece(s) 16 Day(s) or more 101922566050.01~100.00600.20.3125.5×10-6

1,620,716 IDR

1 Piece(s) 16 Day(s) or more 101925566050.01~100.00600.20.3125.5×10-6

1,620,716 IDR

1 Piece(s) 16 Day(s) or more 101928566050.01~100.00600.20.3125.5×10-6

1,620,716 IDR

1 Piece(s) 16 Day(s) or more 102020566050.01~100.00600.20.3125.5×10-6

1,620,716 IDR

1 Piece(s) 16 Day(s) or more 102022566050.01~100.00600.20.3125.5×10-6

1,620,716 IDR

1 Piece(s) 16 Day(s) or more 102025566050.01~100.00600.20.3125.5×10-6

1,620,716 IDR

1 Piece(s) 16 Day(s) or more 102028566050.01~100.00600.20.3125.5×10-6

1,620,716 IDR

1 Piece(s) 16 Day(s) or more 102225566050.01~100.00600.20.3125.5×10-6

1,620,716 IDR

1 Piece(s) 16 Day(s) or more 102425566050.01~100.00600.20.3125.5×10-6

1,620,716 IDR

1 Piece(s) 16 Day(s) or more 102525566050.01~100.00600.20.3125.5×10-6

1,620,716 IDR

1 Piece(s) 16 Day(s) or more 102530566050.01~100.00600.20.3125.5×10-6

1,620,716 IDR

1 Piece(s) 16 Day(s) or more 102830566050.01~100.00600.20.3125.5×10-6

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Basic Information

Type Vibration Damping Rubber Type Application Servo Motor / Stepping Motor Features High Torque / Backlash 0 / Vibration Absorption
Allowable Misalignment Angular Misalignment / Eccentricity / Axial Misalignment Max. Rotational Speed Range(r/min) 4001~10000 Body Material Aluminum
Allowable Angular Misalignment(deg) 1.5 Product Category Coupling body Allowable Lateral Misalignment Range(mm) 0.02~0.2
Maximum Rotation Speed(r/min) 10000 Buffer Material Nitrile Rubber Operating Temperature Range(°C) -20::80

Tech Support

Factory Automation, Electronics, Tools, & MRO (Maintenance, Repair and Operations)
Tel:021-8990-4102 / FAX:021-8990-5803
8:30am - 5:30pm (Monday - Friday)