Ring jaw couplings / hub clamp / claw disc: laminated rubber, 3-star / Body: aluminium / STF / MIKI PULLEY (Part Numbers)

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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.

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STF-039SA1-15B-19B

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Part Number
STF-039SA1-15B-19B

Part Number	Standard Unit Price	Minimum order quantity	Volume Discount	Standard Shipping Days ?	RoHS	Allowable Torque Range (N•m)	Hole diameter D1 (mm)	Hole diameter D2 (mm)	Outer Diameter (mm)	Overall Length (mm)	Allowable Torque (Nm)	Allowable Lateral Misalignment (mm)	Allowable Axial Clearance (±) (mm)	Moment of Inertia (kg･m²)
	100.76 €	1		6 Days	10	10.01 to 20.00	15	19	39	41	17	0.2	0.3	21.13×10^-6

Basic information

Type	Vibration Damping Rubber Type	Allowable Misalignment	Angular Misalignment / Eccentricity / Axial Misalignment	Application	Servo Motor / Stepping Motor
Max. Rotational Speed Range(r/min)	4,001 to 10,000	Feature	High Torque / Backlash 0 / Vibration Absorption	Body Material	Aluminum
Category	Coupling body	Maximum Rotation Speed(r/min)	10000	Allowable Lateral Misalignment Range(mm)	0.02 to 0.2
Allowable Angular Misalignment(deg)	1.5	Buffer Part Material	Nitrile Rubber	Operating Temperature Range(°C)	-20::80