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- Notice of End of Sales for Economy Series Pneumatic Equipment Category. More information.
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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.
Japanese Only
| Part Number | Standard Unit Price | Minimum order quantity | Volume Discount | Days to Ship | RoHS | Hole 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) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
MYR 331.11 | 1 Piece(s) | 14 Day(s) or more | 10 | 3 | 3 | 13 | 18 | 0.05~1.00 | 1 | 0.15 | 0.2 | 0.11×10-6 | ||
MYR 331.11 | 1 Piece(s) | 14 Day(s) or more | 10 | 3 | 4 | 13 | 18 | 0.05~1.00 | 1 | 0.15 | 0.2 | 0.11×10-6 | ||
MYR 331.11 | 1 Piece(s) | 14 Day(s) or more | 10 | 3 | 5 | 13 | 18 | 0.05~1.00 | 1 | 0.15 | 0.2 | 0.11×10-6 | ||
MYR 331.11 | 1 Piece(s) | 14 Day(s) or more | 10 | 4 | 4 | 13 | 18 | 0.05~1.00 | 1 | 0.15 | 0.2 | 0.11×10-6 | ||
MYR 331.11 | 1 Piece(s) | 14 Day(s) or more | 10 | 4 | 5 | 13 | 18 | 0.05~1.00 | 1 | 0.15 | 0.2 | 0.11×10-6 | ||
MYR 318.45 | 1 Piece(s) | 14 Day(s) or more | 10 | 4 | 5 | 16 | 22 | 1.01~3.00 | 2 | 0.15 | 0.2 | 0.31×10-6 | ||
MYR 318.45 | 1 Piece(s) | 15 Day(s) or more | 10 | 5 | 5 | 16 | 22 | 1.01~3.00 | 2 | 0.15 | 0.2 | 0.31×10-6 | ||
MYR 318.45 | 1 Piece(s) | 14 Day(s) or more | 10 | 5 | 6 | 16 | 22 | 1.01~3.00 | 2 | 0.15 | 0.2 | 0.31×10-6 | ||
MYR 318.45 | 1 Piece(s) | 10 Day(s) or more | 10 | 6 | 6 | 16 | 22 | 1.01~3.00 | 2 | 0.15 | 0.2 | 0.31×10-6 | ||
MYR 309.16 | 1 Piece(s) | 14 Day(s) or more | 10 | 3 | 8 | 19 | 25 | 1.01~3.00 | 3 | 0.15 | 0.2 | 0.70×10-6 | ||
MYR 309.16 | 1 Piece(s) | 14 Day(s) or more | 10 | 4 | 8 | 19 | 25 | 1.01~3.00 | 3 | 0.15 | 0.2 | 0.70×10-6 | ||
MYR 309.16 | 1 Piece(s) | 14 Day(s) or more | 10 | 5 | 5 | 19 | 25 | 1.01~3.00 | 3 | 0.15 | 0.2 | 0.70×10-6 | ||
MYR 309.16 | 1 Piece(s) | 24 Day(s) or more | 10 | 5 | 6 | 19 | 25 | 1.01~3.00 | 3 | 0.15 | 0.2 | 0.70×10-6 | ||
MYR 309.16 | 1 Piece(s) | 14 Day(s) or more | 10 | 5 | 6.35 | 19 | 25 | 1.01~3.00 | 3 | 0.15 | 0.2 | 0.70×10-6 | ||
MYR 237.22 | 1 Piece(s) | 10 Day(s) or more | 10 | 5 | 8 | 19 | 25 | 1.01~3.00 | 3 | 0.15 | 0.2 | 0.70×10-6 | ||
MYR 309.16 | 1 Piece(s) | 14 Day(s) or more | 10 | 6 | 6.35 | 19 | 25 | 1.01~3.00 | 3 | 0.15 | 0.2 | 0.70×10-6 | ||
MYR 237.22 | 1 Piece(s) | 10 Day(s) or more | 10 | 6 | 8 | 19 | 25 | 1.01~3.00 | 3 | 0.15 | 0.2 | 0.70×10-6 | ||
MYR 309.16 | 1 Piece(s) | 97 Day(s) or more | 10 | 6.35 | 6.35 | 19 | 25 | 1.01~3.00 | 3 | 0.15 | 0.2 | 0.70×10-6 | ||
MYR 309.16 | 1 Piece(s) | 14 Day(s) or more | 10 | 7 | 8 | 19 | 25 | 1.01~3.00 | 3 | 0.15 | 0.2 | 0.70×10-6 | ||
MYR 309.16 | 1 Piece(s) | 10 Day(s) or more | 10 | 8 | 8 | 19 | 25 | 1.01~3.00 | 3 | 0.15 | 0.2 | 0.70×10-6 | ||
MYR 332.80 | 1 Piece(s) | 14 Day(s) or more | 10 | 5 | 10 | 24 | 27 | 3.01~5.00 | 5 | 0.15 | 0.2 | 1.89×10-6 | ||
MYR 332.80 | 1 Piece(s) | 14 Day(s) or more | 10 | 6 | 8 | 24 | 27 | 3.01~5.00 | 5 | 0.15 | 0.2 | 1.89×10-6 | ||
MYR 332.80 | 1 Piece(s) | 14 Day(s) or more | 10 | 6 | 10 | 24 | 27 | 3.01~5.00 | 5 | 0.15 | 0.2 | 1.89×10-6 | ||
MYR 332.80 | 1 Piece(s) | 14 Day(s) or more | 10 | 7 | 8 | 24 | 27 | 3.01~5.00 | 5 | 0.15 | 0.2 | 1.89×10-6 | ||
MYR 332.80 | 1 Piece(s) | 14 Day(s) or more | 10 | 7 | 10 | 24 | 27 | 3.01~5.00 | 5 | 0.15 | 0.2 | 1.89×10-6 | ||
MYR 332.80 | 1 Piece(s) | 14 Day(s) or more | 10 | 8 | 8 | 24 | 27 | 3.01~5.00 | 5 | 0.15 | 0.2 | 1.89×10-6 | ||
MYR 332.80 | 1 Piece(s) | 14 Day(s) or more | 10 | 8 | 9 | 24 | 27 | 3.01~5.00 | 5 | 0.15 | 0.2 | 1.89×10-6 | ||
MYR 332.80 | 1 Piece(s) | 14 Day(s) or more | 10 | 8 | 9.525 | 24 | 27 | 3.01~5.00 | 5 | 0.15 | 0.2 | 1.89×10-6 | ||
MYR 332.80 | 1 Piece(s) | 14 Day(s) or more | 10 | 8 | 10 | 24 | 27 | 3.01~5.00 | 5 | 0.15 | 0.2 | 1.89×10-6 | ||
MYR 332.80 | 1 Piece(s) | 14 Day(s) or more | 10 | 10 | 10 | 24 | 27 | 3.01~5.00 | 5 | 0.15 | 0.2 | 1.89×10-6 | ||
MYR 346.31 | 1 Piece(s) | 14 Day(s) or more | 10 | 5 | 5 | 29 | 30 | 5.01~10.00 | 8 | 0.2 | 0.3 | 4.41×10-6 | ||
MYR 346.31 | 1 Piece(s) | 14 Day(s) or more | 10 | 5 | 8 | 29 | 30 | 5.01~10.00 | 8 | 0.2 | 0.3 | 4.41×10-6 | ||
MYR 346.31 | 1 Piece(s) | 14 Day(s) or more | 10 | 6 | 10 | 29 | 30 | 5.01~10.00 | 8 | 0.2 | 0.3 | 4.41×10-6 | ||
MYR 346.31 | 1 Piece(s) | 14 Day(s) or more | 10 | 8 | 10 | 29 | 30 | 5.01~10.00 | 8 | 0.2 | 0.3 | 4.41×10-6 | ||
MYR 346.31 | 1 Piece(s) | 10 Day(s) or more | 10 | 8 | 11 | 29 | 30 | 5.01~10.00 | 8 | 0.2 | 0.3 | 4.41×10-6 | ||
MYR 346.31 | 1 Piece(s) | 14 Day(s) or more | 10 | 8 | 12 | 29 | 30 | 5.01~10.00 | 8 | 0.2 | 0.3 | 4.41×10-6 | ||
MYR 346.31 | 1 Piece(s) | 14 Day(s) or more | 10 | 10 | 10 | 29 | 30 | 5.01~10.00 | 8 | 0.2 | 0.3 | 4.41×10-6 | ||
MYR 346.31 | 1 Piece(s) | 14 Day(s) or more | 10 | 10 | 12 | 29 | 30 | 5.01~10.00 | 8 | 0.2 | 0.3 | 4.41×10-6 | ||
MYR 346.31 | 1 Piece(s) | 14 Day(s) or more | 10 | 10 | 13 | 29 | 30 | 5.01~10.00 | 8 | 0.2 | 0.3 | 4.41×10-6 | ||
MYR 346.31 | 1 Piece(s) | 14 Day(s) or more | 10 | 12 | 12 | 29 | 30 | 5.01~10.00 | 8 | 0.2 | 0.3 | 4.41×10-6 | ||
MYR 371.63 | 1 Piece(s) | 14 Day(s) or more | 10 | 5 | 11 | 34 | 34 | 10.01~20.00 | 12 | 0.2 | 0.3 | 9.77 x 10-6 | ||
MYR 371.63 | 1 Piece(s) | 14 Day(s) or more | 10 | 5 | 15 | 34 | 34 | 10.01~20.00 | 12 | 0.2 | 0.3 | 9.77 x 10-6 | ||
MYR 371.63 | 1 Piece(s) | 14 Day(s) or more | 10 | 6 | 10 | 34 | 34 | 10.01~20.00 | 12 | 0.2 | 0.3 | 9.77 x 10-6 | ||
MYR 371.63 | 1 Piece(s) | 14 Day(s) or more | 10 | 6 | 16 | 34 | 34 | 10.01~20.00 | 12 | 0.2 | 0.3 | 9.77 x 10-6 | ||
MYR 371.63 | 1 Piece(s) | 14 Day(s) or more | 10 | 8 | 8 | 34 | 34 | 10.01~20.00 | 12 | 0.2 | 0.3 | 9.77 x 10-6 | ||
MYR 371.63 | 1 Piece(s) | 14 Day(s) or more | 10 | 8 | 14 | 34 | 34 | 10.01~20.00 | 12 | 0.2 | 0.3 | 9.77 x 10-6 | ||
MYR 371.63 | 1 Piece(s) | 14 Day(s) or more | 10 | 8 | 15 | 34 | 34 | 10.01~20.00 | 12 | 0.2 | 0.3 | 9.77 x 10-6 | ||
MYR 371.63 | 1 Piece(s) | 14 Day(s) or more | 10 | 8 | 16 | 34 | 34 | 10.01~20.00 | 12 | 0.2 | 0.3 | 9.77 x 10-6 | ||
MYR 371.63 | 1 Piece(s) | 10 Day(s) or more | 10 | 10 | 10 | 34 | 34 | 10.01~20.00 | 12 | 0.2 | 0.3 | 9.77 x 10-6 | ||
MYR 371.63 | 1 Piece(s) | 14 Day(s) or more | 10 | 10 | 14 | 34 | 34 | 10.01~20.00 | 12 | 0.2 | 0.3 | 9.77 x 10-6 | ||
MYR 371.63 | 1 Piece(s) | 14 Day(s) or more | 10 | 12 | 12 | 34 | 34 | 10.01~20.00 | 12 | 0.2 | 0.3 | 9.77 x 10-6 | ||
MYR 316.59 | 1 Piece(s) | 10 Day(s) or more | 10 | 12 | 14 | 34 | 34 | 10.01~20.00 | 12 | 0.2 | 0.3 | 9.77 x 10-6 | ||
MYR 371.63 | 1 Piece(s) | 14 Day(s) or more | 10 | 12 | 15 | 34 | 34 | 10.01~20.00 | 12 | 0.2 | 0.3 | 9.77 x 10-6 | ||
MYR 371.63 | 1 Piece(s) | 14 Day(s) or more | 10 | 12 | 16 | 34 | 34 | 10.01~20.00 | 12 | 0.2 | 0.3 | 9.77 x 10-6 | ||
MYR 371.63 | 1 Piece(s) | 14 Day(s) or more | 10 | 13 | 15 | 34 | 34 | 10.01~20.00 | 12 | 0.2 | 0.3 | 9.77 x 10-6 | ||
MYR 371.63 | 1 Piece(s) | 14 Day(s) or more | 10 | 14 | 14 | 34 | 34 | 10.01~20.00 | 12 | 0.2 | 0.3 | 9.77 x 10-6 | ||
MYR 371.63 | 1 Piece(s) | 14 Day(s) or more | 10 | 14 | 15 | 34 | 34 | 10.01~20.00 | 12 | 0.2 | 0.3 | 9.77 x 10-6 | ||
MYR 371.63 | 1 Piece(s) | 14 Day(s) or more | 10 | 15 | 16 | 34 | 34 | 10.01~20.00 | 12 | 0.2 | 0.3 | 9.77 x 10-6 | ||
MYR 420.58 | 1 Piece(s) | 14 Day(s) or more | 10 | 8 | 10 | 39 | 41 | 10.01~20.00 | 17 | 0.2 | 0.3 | 21.13×10-6 | ||
MYR 420.58 | 1 Piece(s) | 14 Day(s) or more | 10 | 8 | 12 | 39 | 41 | 10.01~20.00 | 17 | 0.2 | 0.3 | 21.13×10-6 |
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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 |
Specification/Dimensions
-
Hole 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)
-
type
- STF-SA1
Days to Ship
-
- All
- 9 Day(s) or Less
- 10 Day(s) or Less
- 14 Day(s) or Less
- 15 Day(s) or Less
- 24 Day(s) or Less
- 97 Day(s) or Less
Specify Alterations
- The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .
Additional Products in this Category
- Servo FlexSFH
- Disc-Shaped Coupling - Clamping Type (Double Disc) - DAAPC [SDCS]
- Slit-Shaped Coupling, Clamping Long Type
- Disc Coupling Clamping Type (Double Disc) SDWC
- Disc-Shaped Coupling - Set Screw Type (Double Disc) - [SDAA]
- Disc Coupling Clamping Type (Double Disc) SDAA
- Disc-Shaped Coupling - Surface Pressure Type (Double Disc)
- Flexible Coupling (Clamping) EA969BC-9
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