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    Apter Power checks SGM7J-04AFA6S supply and oil-seal configuration before quotation.

SGM7J-04AFA6S

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YASKAWA SGM7J-04AFA6S is a compact 400 W Sigma-7 servomotor with incremental feedback, a keyed shaft and an oil-seal option.
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Technical specifications for SGM7J-04AFA6S

  • Manufacturer:
    YASKAWA
  • Part Number:
    SGM7J-04AFA6S
  • Product Family:
    Yaskawa Servo Drive
  • Product Type:
    Sigma-7 SGM7J Rotary Servomotor
  • Stock:
    1
  • Input Power Supply:
    200 V
  • Rated Output:
    0.4 kW
  • Encoder Type:
    24-bit incremental
  • Shaft End:
    Straight with key and tap
  • Motor Option:
    Oil seal
  • Rated Torque:
    1.27 Nm
  • Instantaneous Maximum Torque:
    4.46 Nm
  • Rated Motor Speed:
    3000 1/min
  • Maximum Motor Speed:
    6000 1/min
  • Motor Moment of Inertia:
    0.486 x10^-4 kg·m²
  • Allowable Load Moment of Inertia:
    10 times
  • Flange Diameter:
    70 mm
  • Shaft Diameter:
    14 mm
  • Weight:
    1.1 kg
  • Estimated shipping dimensions:
    7.47x6x11.55cm
  • Tariff Code:
    Please confirm the destination before shipping
  • Country of origin:
    Japan
  • Place of shipment:
    Xiamen,Fujian,China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Oil-Seal Scope Compact Outline Variant Evidence Product Applications

Features:

  • Oil-seal option: Yaskawa lists shaft-side oil sealing for the exact model.
  • Compact non-brake body: The official depth is 115.5 mm and no holding brake is listed.
  • Keyed incremental design: The motor combines a key-and-tap shaft with 24-bit incremental feedback.
The final 6S characters identify the oil-seal option and should remain visible in purchasing and spare records.

At 1.1 kg, this configuration uses the shorter published outline rather than the 156 mm brake-equipped depth.

Its oil seal is one configuration feature; the surrounding machine environment still requires a separate suitability review.

Apter Power can review SGM7J-04AFA6S supply against the official keyed-shaft, oil-seal and 24-bit incremental configuration.
YASKAWA SGM7J-04AFA6S Sigma-7 SGM7J Rotary Servomotor Manuals,Datasheets,Link
Important Notice: No qualified exact-model English PDF is attached. Use the complete product model in every document request.
  • Exact option: The product record lists an oil seal for SGM7J-04AFA6S.
  • Boundary: Do not interpret the oil-seal entry as a rating for the entire motor environment.
  • Shaft interface: Protect the keyed shaft and seal area during mechanical fit assessment.
  • Documentation: Keep the 6S ending with any drawing that depends on the sealing option.
  • Published size: Yaskawa lists 74.7 mm height, 60 mm width and 115.5 mm depth.
  • Published mass: The exact product weight is 1.1 kg.
  • Brake boundary: No holding brake appears in the official option entry for this model.
  • Fit review: Check connector and coupling space in addition to the shorter motor body.
  • Nameplate evidence: Record the complete AFA6S suffix before the motor enters service stock.
  • Official record: Use the exact Yaskawa page for encoder, shaft, option and outline facts.
  • Series document: Use the Sigma-7 200 V catalog for family context, not as a substitute for the exact suffix.
  • Configuration review: Verify oil seal, keyed shaft and incremental feedback as three separate checks.
  • Oil-seal specified axes: Use this model where the approved motor schedule explicitly calls for the seal option.
  • Compact non-brake stations: Apply the official 115.5 mm depth where the design does not require an integral brake.
  • Keyed motion couplings: Match it to mechanisms documented for a straight shaft with key and tap.
  • Incremental servo systems: Retain it in control architectures specified for 24-bit incremental feedback.
Description
For a compact 400 W axis that specifically calls for shaft-side sealing, SGM7J-04AFA6S combines a keyed shaft with Yaskawa's listed oil-seal option in the shorter 115.5 mm body.

The official configuration identifies SGM7J-04AFA6S with a 24-bit incremental encoder and no listed holding brake, separating its feedback and option scope from brake-equipped SGM7J variants.

Yaskawa describes SGM7J-04AFA6S as a high-efficiency, low-heat, medium-inertia motor with up to 20% downsizing and Sigma-5 flange compatibility, supporting fit planning where the oil-seal suffix is required.
Alternative Names
SGM7J04AFA6S SGM7J 04AFA6S
Technical notes
The oil seal on SGM7J-04AFA6S applies to the specified shaft-side option; it does not make every connector, cable entry or motor surface suitable for unrestricted fluid exposure. Keep the installation within the machine enclosure design, control contamination at the shaft, and stop if the actual washdown or immersion duty exceeds documented protection.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
Does the oil-seal option make SGM7J-04AFA6S suitable for any fluid-exposed location?
No. The official record confirms an oil seal, but the complete motor environment still needs to be checked against the machine design.
Which published dimension distinguishes the compact body of SGM7J-04AFA6S?
Yaskawa lists a 115.5 mm depth, which should be used with the 74.7 mm height and 60 mm width during fit review.
Is a holding brake included with SGM7J-04AFA6S?
No holding brake is listed on the exact product page; the listed option is the oil seal.
What should receiving verify on the shaft of SGM7J-04AFA6S?
Verify a straight shaft with key and tap, then match the complete AFA6S code before accepting the motor.
How should the Sigma-5 flange statement be used for SGM7J-04AFA6S?
Use it as one fit-planning input while separately checking the keyed shaft, 115.5 mm depth, connector clearance and oil-seal requirement.
Which feedback architecture is documented for SGM7J-04AFA6S?
The official record specifies a 24-bit incremental encoder, so project documentation should not classify this motor as an absolute-feedback version.