Transmission shafts (including camshafts and crankshafts) and cranks; bearing housings, housed bearings and plain shaft bearings; gears and gearing; ball or roller screws; gear boxes and other speed changers, including torque converters; flywheels and pulleys, including pulley blocks; clutches and shaft couplings (including universal joints); parts thereof:
Part of: 84 — Nuclear reactors, boilers, machinery and mechanical appliances; parts
N360918 · 2026-05-14 — The tariff classification of a metal shaft and a tappet gear assembly from Germany
There are two items at issue in this request, part number 71290001, a metal shaft, and part number1000321101, a tappet gear assembly, which you state are specially designed for use with an on-load tapchanger (OLTC).Part number 71290001 is a solid metal shaft that features calibrated indents on both ends and a keyconnection that ensures the proper transmission of rotational power. The shaft, which is installed in the centerbore of a helical gear, transmits rotational power to a coupling to change the impedance of a transformeroperating 26.4 kV.in excess ofPart number 1000321101 is a tappet…
N360085 · 2026-04-20 — The tariff classification of a worm wheel from Mexico
de RL de CV. The product at issue is a worm wheel, identified by part numbers A271201005 MQ4a PE HUB-HONING and CL4 HUB-HONING A271201006. The helical wheel features a center bore and an outer diameter of teeth that are designed to mesh with a worm shaft connected to an electric motor. Once actuated, the wheel transmits rotational torque at a high reduction ratio onto the steering shaft of an electric power steering system installed in passenger vehicles. In your letter, you suggest, the worm wheel is classified within subheading 8483.40.5080, Harmonized Tariff Schedule of the United States…
N359979 · 2026-04-17 — The tariff classification of a yoke from South Korea
The item under consideration is a pinched bolt yoke imported in two different conditions: finished and pre-machined. The yoke is a U-shaped item that consists of a base and two sides that feature circular earholes. It is primarily constructed of steel material and is part of a universal joint that is used in various applications, such as machine tools, construction machinery, propeller drive systems and automation equipment. When imported in a pre-machined condition, the yoke is unfinished and will need to undergo drilling and machining operations to complete areas, such as the bore hole…
N356647 · 2025-12-19 — The tariff classification of bearings from Mexico
Descriptive information was provided with your submission. The items at issue are referred to as the MS14 spherical plain bearings, part numbers 03-825-03, 03-824-06, 03-826-08 and 03-823-14. The bearings consist of an inner race shaped as a ball, a chamfered outer race and a polytetrafluoroethylene liner that is bonded to the inside diameter of the race. The bearings, which are constructed from steel material, facilitate the pivoting movement of the rotating member and permit load transfer. The bearings are used in aircraft components such as actuators, engines, struts and subsystems such as…
N355513 · 2025-11-13 — The tariff classification of gear units from Japan
Descriptive information was provided with the submission The items under consideration are gear units, part numbers 13632-36030-US and 13634-36050-US. The gear units feature an outer profile of teeth constructed of plastic material and aramid fibers, and a center hub that is constructed of steel material. The gears are designed to transfer rotational power to a balance shaft located within the engine of a motor vehicle. As the balance shaft rotates in the opposite direction of the engine’s rotation, vibration and noise are reduced. In your letter, you suggest the gear units are classified…
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