Confirm the exact configuration
Use the manufacturer part number and model code—not appearance alone. Connection, size, material, voltage, pressure, seal, and control options can differ within the same product family.
Global industrial sourcing · Houston, Texas info@mropartsrfq.com
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Festo
123849
Coupling EAMC-40-66-20-20
The Festo 123849 is an industrial component featuring a size 40 construction with a nominal length of 66 mm and dual 20 mm holder diameters. This RoHS-conforming part delivers a transferable torque of 21 Nm, a mass moment of inertia of 42.3 kgmm2, and a maximum speed of 6,500 1/min at a product weight of 139 g. It operates within ambient and storage temperatures of -25 to 60 °C and supports any assembly position alongside a relative air humidity range of 0 to 95%. Submit the exact part number, quantity, and application requirements for a formal quote.
Request pricing and availabilityCommercial response within one business day for your destination and required quantity.
Request a QuoteWhy no listed price?
Industrial and obsolete parts are priced per enquiry: the final price depends on available stock, condition, quantity, and your delivery destination, so a fixed list price would be misleading. Request a quote and we confirm current pricing, lead time, and sourcing options — including hard-to-find and discontinued Festo references — within one business day.
- Manufacturer
- Festo
- Part number
- 123849
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to 123849.
Worldwide sourcingSupport for planned and urgent industrial requirements.
Manufacturer documentationA document is added when the reviewed source provides one.
Verified configuration
Technical Specifications
- Holder diameter 1
- 20 mm
- Holder diameter 2
- 20 mm
- Size
- 40
- Nominal length
- 66 mm
- Assembly position
- Any
- Max. speed
- 6,500 1/min
- Storage temperature
- -25 ... 60 °C
- Relative air humidity
- 0 - 95 %
- Ambient temperature
- -25 ... 60 °C
- Mass moment of inertia
- 42.3 kgmm2
- Transferable torque
- 21 Nm
- Product weight
- 139 g
- Materials note
- Conforms to RoHS
Engineering context
Identification and RFQ Guidance
What to include in your RFQ
Provide quantity, delivery country and ZIP/postal code, required condition, target date, and photographs of the existing nameplate when available.
Technical verification
Our sourcing response is prepared against Festo 123849. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.