Pulleys and flywheels, including pulley blocks

HS v2022 Code: 848350

About pulleys and flywheels, including pulley blocks

HS code 848350 covers the import and export of pulleys and flywheels, including pulley blocks. These mechanical components are essential in a wide range of industrial applications, from manufacturing and construction to transportation and power generation. Pulleys and flywheels play a crucial role in the efficient transmission of power, enabling the smooth operation of machinery and equipment across various sectors of the global economy.

Production process

Pulleys and flywheels are typically manufactured using a combination of metalworking techniques, such as casting, forging, and machining. The production process often involves the shaping of raw materials, such as steel or aluminum, into the desired form and size, followed by the installation of bearings, shafts, and other necessary components. Quality control measures, including dimensional accuracy and surface finishing, are essential to ensure the reliability and performance of these critical mechanical parts.

Production inputs

The production of pulleys and flywheels requires a range of raw materials, including metals, bearings, and fasteners. Manufacturers may also rely on specialized machinery, such as lathes, milling machines, and heat treatment equipment, to shape and assemble the components. Additionally, the industry may utilize various tools, jigs, and fixtures to ensure consistent and efficient production processes.

Production outputs

Pulleys and flywheels produced under HS code 848350 are used in a wide variety of applications, including 842111 Centrifuges, including centrifugal dryers, 842123 Machinery and apparatus for filtering or purifying gases, 842131 Intake air filters for internal combustion engines, and 842139 Other filtering or purifying machinery and apparatus for gases. These components are essential for the proper functioning of machinery and equipment across numerous industries, contributing to the overall efficiency and productivity of the global economy.

Revisions to 848350

Classification codes are adjusted frequently. The code may have been revised or replaced between system versions. The table below shows the history (newest to oldest) of the code 848350. The most recent 1 version of this code (848350) is in the HS v2022 system (this version):

This page shows the most recent version of code 848350.

Family tree for pulleys and flywheels, including pulley blocks

    graph LR
    A["<a href='/classifications/hs/v2022/84'>84: Machinery and mechanical appliances, boilers, nuclear reactors; parts thereof</a>"]
A --> B["<a href='/classifications/hs/v2022/8483'>8483: Transmission shafts (including cam and crank) and cranks; bearing housings and plain shaft bearings; gears and gearing; ball or roller screws; gear boxes and other speed changers; flywheels and pulleys; clutches and shaft couplings</a>"]
B --> C["<a href='/classifications/hs/v2022/848350'>848350: Pulleys and flywheels, including pulley blocks</a>"]

    B --> D["<a href='/classifications/hs/v2022/848310'>848310: Transmission shafts (including cam shafts and crank shafts) and cranks</a>"]
B --> E["<a href='/classifications/hs/v2022/848320'>848320: Bearing housings, incorporating ball or roller bearings</a>"]
B --> F["<a href='/classifications/hs/v2022/848330'>848330: Bearing housings, not incorporating ball or roller bearings and plain shaft bearings</a>"]
B --> G["<a href='/classifications/hs/v2022/848340'>848340: Gears and gearing; (not toothed wheels, chain sprockets and other transmission elements presented separately); ball or roller screws; gear boxes and other speed changers, including torque converters</a>"]
B --> H["<a href='/classifications/hs/v2022/848360'>848360: Clutches and shaft couplings (including universal joints)</a>"]
B --> I["<a href='/classifications/hs/v2022/848390'>848390: Transmission components; toothed wheels, chain sprockets and other transmission elements presented separately; parts</a>"]

    

    %% Color coordination by level

    classDef level1 color:#000,fill:#a8f9ff,stroke:#333,stroke-width:2px
    classDef level2 color:#000,fill:#e0a458,stroke:#333,stroke-width:1px
    classDef level3 color:#000,fill:#419d78,stroke:#333,stroke-width:1px
    classDef level4 color:#000,fill:#c04abc,stroke:#333,stroke-width:1px
    classDef level5 color:#000,fill:#f1c40f,stroke:#333,stroke-width:1px
    classDef level6 color:#000,fill:#f1c40f,stroke:#333,stroke-width:1px
    classDef highlight color:#000,fill:#fff,stroke:#000,stroke-width:5px



  %% Apply classes
  class A level2
class B level4
class C level6
class D level6
class E level6
class F level6
class G level6
class H level6
class I level6

  class C highlight

  %% class A level1
  %% class B,C level2
  %% class D,E,F,G,H,I level2
  %% class J,K,L,M,N,O,P level3
  %% class C highlight