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

HS v2017 Code: 848340

About 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

hs code 848340 covers a diverse range of mechanical components that are essential for power transmission and motion control in a wide variety of industries. These components, including gears, gearboxes, and speed changers, play a crucial role in the efficient operation of machinery, vehicles, and industrial equipment. Their importance extends across sectors such as manufacturing, transportation, and energy, making them a vital part of the global economy.

Production process

The production of the components covered under hs code 848340 typically involves precision engineering and advanced manufacturing techniques. Gears, for instance, are often produced through processes like gear hobbing, gear shaping, or gear grinding, which ensure the accurate shaping and finishing of the gear teeth. Gearboxes and speed changers may be assembled from various subcomponents, including shafts, bearings, and housings, using techniques like welding, casting, and machining. The incorporation of ball or roller screws further requires specialized manufacturing processes to achieve the necessary tolerances and smooth operation.

Production inputs

The production of hs code 848340 components relies on a range of raw materials, including metals such as steel, aluminum, and various alloys. Specialized machinery, such as gear cutting machines, lathes, and milling equipment, are also essential inputs for the manufacturing process. Additionally, the industry may require various lubricants, sealants, and other consumables to ensure the proper functioning and durability of the final products.

Production outputs

The components covered under hs code 848340 are widely used in a variety of applications, including 841090 Turbines for power generation, 870000 Vehicles for power transmission, and 842123 Compressors for industrial equipment. These components are often integrated into larger systems and machinery, contributing to their efficient and reliable operation. Other industries that may consume the outputs of hs code 848340 include 848310 Transmission shafts and cranks, 848320 Bearing housings and plain shaft bearings, and 848360 Clutches and shaft couplings.

Revisions to 848340

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 848340. The most recent 1 version of this code (848340) is in the HS v2022 system:

This page shows a legacy version of code 848340 ( HS v2017).

Family tree for 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

    graph LR
    A["<a href='/classifications/hs/v2017/84'>84: Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof</a>"]
A --> B["<a href='/classifications/hs/v2017/8483'>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/v2017/848340'>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 --> D["<a href='/classifications/hs/v2017/848310'>848310: Transmission shafts (including cam shafts and crank shafts) and cranks</a>"]
B --> E["<a href='/classifications/hs/v2017/848320'>848320: Bearing housings, incorporating ball or roller bearings</a>"]
B --> F["<a href='/classifications/hs/v2017/848330'>848330: Bearing housings, not incorporating ball or roller bearings and plain shaft bearings</a>"]
B --> G["<a href='/classifications/hs/v2017/848350'>848350: Pulleys and flywheels, including pulley blocks</a>"]
B --> H["<a href='/classifications/hs/v2017/848360'>848360: Clutches and shaft couplings (including universal joints)</a>"]
B --> I["<a href='/classifications/hs/v2017/848390'>848390: Transmission components; toothed wheels, chain sprockets and other transmission elements presented separately; parts</a>"]

    

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    classDef level4 color:#000,fill:#c04abc,stroke:#333,stroke-width:1px
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  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
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  %% class J,K,L,M,N,O,P level3
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