Type B Steel Hubs

Type “B” Steel Hubs are mechanical components used in various applications, particularly in machinery and equipment where transmitting rotational motion and torque between shafts is essential. These hubs are typically made from steel, which offers excellent strength, durability, and resistance to wear and tear. Type “B” Steel Hubs are designed to facilitate the connection between a shaft and a rotating element such as a gear, pulley, sprocket, or wheel.

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Type “B” Steel Hubs Specifications


HB40 3 0.281 2.875 27/32 1  1/8 1/2 1  7/8 2.3
HB50 3  1/4 0.344 3.125 1  1/32 1  3/8 5/8 2  1/4 3.0
HB60 4 0.469 3.875 1  1/32 1  1/2 5/8 2  3/8 5.0
HB80 5 0.563 4.875 1  1/2 2  1/16 3/4 3 11.1
HB100 5  1/4 0.688 5.125 2  1/16 2  3/4 1 3  1/4 16.3

Key Features of Type “B” Steel Hubs

  • Material: They are constructed from high-quality steel, which provides robustness and longevity, making them suitable for heavy-duty applications.
  • Versatility: Type “B” Steel Hubs can be utilized in various industrial sectors, including manufacturing, automotive, agriculture, and construction, where reliable power transmission is crucial.
  • Design: These hubs often have a standardized design that includes keyways, set screws, or other securing mechanisms to firmly attach them to the shaft and the rotating element.
  • Torque Transmission: They efficiently transfer torque from the driving shaft to the driven component, ensuring smooth and reliable operation of machinery.
  • Interchangeability: Type “B” Steel Hubs are often designed to be interchangeable with other components of the same type, making maintenance and replacement easier.
  • Load Handling: Due to their sturdy construction, they are capable of handling substantial loads and resist deformation, even under challenging conditions.
  • Customization: While they may have standardized features, Type “B” Steel Hubs can also be customized to fit specific requirements, including size, bore diameter, keyway size, and more.
  • Corrosion Resistance: Depending on the application, these hubs may have protective coatings or finishes that enhance their resistance to corrosion and environmental factors.


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