
( Brand: Stober ), ( Manufacturer Part Number: K21R-71-G-4 ), ( Part Type: Gearmotor ), ( Rated Load: Hp ), ( Current Type: Ac ), ( Nominal Rated Input Voltage: 230/480 ), ( Base Rpm: 1370/1700 ), ( Full Load Amps: 1.83/1.06 ), ( Country/region Of Manufacture: Germany )
The Stober K21R-71-G-4 gearmotor is an exceptional powerhouse of mechanical precision and efficiency, designed for a wide range of applications. This gearmotor boasts a nominal power of 0.37 kW (0.49 HP), providing ample torque and speed to drive various machinery with ease.
The K21R-71-G-4 is equipped with a high-quality, robust inner rotor motor that ensures reliable operation and longevity. Its motor features a sealed IP55 protection rating, safeguarding it against dust and splashing water, making it suitable for use in harsh environments.
The gearmotor's gearbox is a Helical-type, two-stage, right-angle gear unit. This design provides high torque and precision, enabling the K21R-71-G-4 to handle heavy loads and deliver smooth, accurate motion. The gearbox's helical gears minimize backlash and noise, ensuring quiet operation and long-term durability.
The Stober K21R-71-G-4 gearmotor features a compact and robust design, with an overall length of 109 mm (4.3 inches) and a width of 81 mm (3.2 inches). Its lightweight yet robust construction makes it easy to integrate into various machinery, reducing installation time and effort.
The K21R-71-G-4 gearmotor is available with a variety of shaft configurations and mounting options, ensuring it can be customized to fit your specific application requirements. Additionally, it comes with a built-in brake that provides reliable holding power and can be easily released when needed.
In summary, the Stober K21R-71-G-4 gearmotor is a versatile and dependable solution for powering various machinery. Its high power output, robust construction, and precision gearbox make it an ideal choice for applications that require smooth, reliable, and accurate motion.
Pros of buying a Stober K21R-71-G-4 gearmotor (0.37kW, 56.36 Nm):1. High power-to-weight ratio: The gearmotor's 0.37kW power output is impressive for its size, making it suitable for applications that require robust performance in a compact space.
2. High torque: With a maximum torque of 56.36 Nm, this gearmotor can handle heavy loads, ensuring reliable operation in various industrial applications.
3. Robust construction: The Stober gearmotor is known for its high-quality materials and robust design, ensuring long-lasting performance and reliability in harsh operating conditions.
4. High efficiency: The gearmotor's efficient design reduces energy consumption, resulting in lower operating costs and increased energy savings over time.
Cons of buying a Stober K21R-71-G-4 gearmotor (0.37kW, 56.36 Nm):1. Higher cost: Compared to other gearmotors in the market, the Stober K21R-71-G-4 gearmotor may have a higher price tag due to its high-quality materials and sophisticated design.
2. Limited customization options: The gearmotor may not offer as many customization options as other brands on the market, which could make it less suitable for specific applications that require unique features.
In conclusion, the Stober K21R-71-G-4 gearmotor (0.37kW, 56.36 Nm) is a reliable and powerful option for applications that require high torque and compact size. Its high efficiency and robust construction make it a cost-effective choice in the long run, despite its higher initial cost. However, those looking for more customization options may want to consider other brands on the market.
Recommendation: If you need a high-performance gearmotor with a compact size and a focus on efficiency and reliability, the Stober K21R-71-G-4 gearmotor is an excellent choice. Its high power-to-weight ratio and high torque make it suitable for various industrial applications. While it may have a higher initial cost, its long-lasting performance and energy savings make it a cost-effective option in the long run.