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Transportation

Moving from point A to point B is something we often take for granted. Bearings designed specifically for the railroad industry provide the reliability and safety we expect. The requirements for bearings on railroads fall into three categories: drive system bearings, namely gearbox bearings, traction drive bearings, axle suspension bearings, undercarriage bearings, namely wheel sets and brakes, and body bearings, namely couplings, and door systems.

Consumers may not see transport bearings, but they are crucial to the safety and success of your products. Whether you design brakes, engine components, axle suspensions or other critical components for the transport industry, choosing the right bearings will help you ensure fast, safe and reliable transport by road or rail.

What are the bearings commonly used in the （e transport）transport industry?

Railway locomotive vehicle bearings refer to bearings used in locomotives and vehicles. Locomotive bearings include axlebox bearings, traction motor bearings, transmission system bearings, power unit bearings and cooling system bearings, etc., while the vehicle bearings are mainly axlebox bearings, passenger car axleboxes with short cylindrical roller bearings, truck axleboxes mainly using tapered roller bearings, vehicle bearing varieties, structure, performance and other basic locomotive axlebox bearings similar.

Tapered roller bearing

These bearings have tapered ends and withstand heavy loads as well as radial and thrust loads. The ability to withstand an axial load depends on the contact angle, which is the angle of the outer race of the ring. The greater the angle, the greater the axial load capacity. Well suited for heavy duty transport applications, many manufacturers orient the tapered roller bearings in the opposite direction to ensure maximum stability.

Ball bearing

Ball bearings are used to promote rotational motion, and all forms of transportation rely on rotational energy, usually through wheels. However, there are many different types of vehicles that require ball bearings for different purposes.

Ball bearings are a commonly used type of bearing in the transportation industry. In particular, deep groove ball bearings are a reliable choice for railway applications.
Cylindrical roller bearing
Capable of withstanding large radial loads, cylindrical roller bearings contain rollers that are slightly larger than their diameter. These long rollers have many important features, including high load tolerance, excellent speed capability and long service life, making them a common choice in the railway industry.

Joint camp

Spherical bearings can correct component misalignment in connecting rod applications and can support medium to heavy loads at various speeds. They are mainly suitable for sliding bearings in rocking motion, tilting motion and low speed rotary motion. These bearings are known for their durability and reliability.

What are the common applications for these bearing types?

Drive system bearings

There are many kinds of applied bearings in the electric drive system, such as motors, gearboxes (gearboxes), half shafts, etc., mainly including deep groove ball bearings, angular contact ball bearings, four-point contact ball bearings, cylindrical roller bearings, tapered roller bearings, needle roller bearings, thrust bearings, etc. The requirements for bearings in new energy electric drive systems are higher than those in traditional automotive power systems, mainly reflected in: long life, creep resistance, high speed, low friction, low vibration and resistance to axial variable load shock.

Chassis bearings

Rotational motion is the key to chassis performance, and bearings provide an easy way to improve the speed and life of the chassis system. Choosing the right bearings can improve the performance of multiple bottom plate components including brakes, wheel assemblies, etc.

Body bearings

The body of your vehicle, whether a car or a locomotive, provides the final layer of safety and durability. Bearings help promote high-speed movement in a variety of bodywork applications, including connectors, door systems and more.