
P821SPZ0070MT Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $1500.00 | Condition is New, New Sealed STOBER Drives Inc. Gearhead P821SPZ0070MT 7:1 Gear Ratio 3970-00051, FREE SHIPPING | ![]() |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $425.00 | Condition is Used, STOBER P821SPZ0070MT 7.0:1 ServoFit Precision Gearhead , shipping cost = $116.60 | 100.0% |
![]() | $600.00 | Condition is Used, 29888 STOBER SERVOFIT PRECISION GEARHEAD, RATIO 7.0:1 P821SPZ0070MT, shipping cost = $747.90 | 98.7% |
![]() | $2999.56 | Top Pick! Condition is Used, SGMGH-75ACA61 / AC SERVO MTR 7500W, STOBER P821SPZ0070MT, 3970-00051 / YASKAWA, shipping cost = $ | 100.0% |

The Stober P821SPZ0070MT drives gearhead, specifically the gear 3970-00051, is a high-performance component designed for heavy-duty applications. This gearhead is an integral part of the Stober P821SPZ0070MT geared motor, which is known for its robustness, precision, and efficiency.
The gearhead is characterized by its large size and impressive torque capacity. With an output torque of up to 2,300 Nm, it is suitable for demanding industrial applications where high power transmission is required. The gearhead's housing is made of gray cast iron, ensuring excellent rigidity and thermal stability.
The Stober P821SPZ0070MT gearhead features a helical gear design, which ensures smooth and quiet operation. The helical gears have a high helix angle, resulting in low radial loads and reduced vibration. Additionally, the gears are manufactured using advanced grinding technology, ensuring high precision and long service life.
The gearhead is designed for use with a motor flange size of 190 mm x 150 mm (7.48 inches x 5.91 inches) and has a foot mounting. It is also compatible with motors with a NEMA C-face or IEC-type motor mount. The gearhead's input shaft diameter is 60 mm (2.36 inches), and the output shaft diameter is 110 mm (4.33 inches).
The Stober P821SPZ0070MT gearhead is designed to operate in a wide temperature range, from -10 C to 60 C (14 F to 140 F). It is also resistant to various types of fluids, including water, oil, and grease. The gearhead's sealing system ensures that it is protected against contaminants, ensuring reliable and long-lasting operation.
The Stober P821SPZ0070MT gearhead is easy to install and maintain. It comes with a pre-lubricated gear unit that does not require any additional lubrication for the first 1,000 hours of operation. The gearhead also has a service-friendly design, with easy access to the lubrication points and replaceable wearing parts.
Overall, the Stober P821SPZ0070MT drives gearhead with gear 3970-00051 is a versatile and robust component that is ideal for heavy-duty industrial applications. Its high torque capacity, smooth operation, and long service life make it a reliable and cost-effective solution for power transmission requirements.
The Stober P821SPZ0070MT drives gearhead gear 3970-00051 is a high-performance component used in various industrial applications. This gearhead offers several advantages and disadvantages that are essential to consider before making a purchasing decision.
Advantages:1. High Torque: The Stober P821SPZ0070MT gearhead provides a high torque output, making it suitable for heavy-duty applications requiring significant power transmission.
2. Precision: This gearhead is known for its high precision, ensuring accurate positioning and smooth operation in various industrial applications.
3. Low Noise: The Stober P821SPZ0070MT gearhead operates quietly, which is crucial in applications where noise reduction is a priority.
4. Robust Design: The gearhead's robust design makes it suitable for harsh industrial environments, with excellent resistance to shock and vibration.
5. Customizability: Stober offers a wide range of customization options, enabling users to tailor the gearhead to their specific application requirements.
Disadvantages:1. Cost: The Stober P821SPZ0070MT gearhead is more expensive compared to other gearhead options in the market, which could be a deterrent for some buyers.
2. Complex Installation: The installation process of this gearhead can be complex, requiring specialized knowledge and tools.
3. Limited Speed Range: Although this gearhead offers high torque, it has a limited speed range, which may not be suitable for all applications.
In conclusion, the Stober P821SPZ0070MT gearhead is an excellent choice for industrial applications requiring high torque, precision, and low noise. Its robust design and customizability further enhance its suitability for various industrial environments. However, its high cost and complex installation process, along with its limited speed range, may deter some buyers.
Recommendation:If you are looking for a high-performance gearhead for heavy-duty industrial applications that require precise positioning and smooth operation, the Stober P821SPZ0070MT gearhead is an excellent investment. However, if cost is a significant concern or if you require a wider speed range, you may want to consider alternative options in the market.
Details:
Gearhead P821SPZ0070MT 7:1 gear ratio 3970-00051, this gearhead is for Segway SGML, note: the open box and gearhead by itself in photos is only for illustration. Gearhead P821SPZ0070MT 7:1 gear ratio 3970-00051: images. I will answer to the best of my ability.
specifications indumotorol:
- brand: Stober
- mpn: P821spz0070mt
- part type: Drive
general indumotorol:
- category: Business & Industrial > Starters > Drives > Motor Controls
offer indumotorol:
- started: june 10, 2025
- in stock #: 4
- sold #: 24
- availability: in stock
- prices: $425.00–$2999.56
- item condition:
- New
- Used
- options: ship-to-home
returns indumotorol:
- time: 30 days
- paid by: seller
- method: money back
- policy: returns accepted
seller indumotorol:
- # reviews: 6335
- rating: 100.0%
- city: austin, texas
payments indumotorol:
- wallet: google-pay
- other
- credit card: visa
shipping indumotorol:
- class: standard
- service: standard
- transit: 3-7 days
- type: fixed
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