manufactured · input

Slewing Rings & Large Bearings (Port Cranes)

Large-diameter precision slewing rings for crane rotation and boom pivot; Liebherr, Rothe Erde (ThyssenKrupp), SKF supply this niche market.

12

Source countries

4

Companies

1

Goods affected

0

Claims on record

What depends on it

Goods that need this input

1 essential American goods rely on slewing rings & large bearings (port cranes) somewhere upstream in their supply chain.

Where it comes from

Source countries

Share of global supply, by country.

Who makes it

Supplier companies

4 companies produce slewing rings & large bearings (port cranes).

Liebherr Group

HQ DE

German-Swiss machinery conglomerate; Liebherr Port Solutions manufactures STS cranes, RTGs, and straddle carriers; Rostock Germany is primary port crane production site.

SKF AB(SKF-B.ST)

HQ SE

Global bearings leader; large slewing/roller bearings and seals for industrial machinery and wind.

Schaeffler AG(SHA.DE)

HQ DE

Bearings/motion-technology maker (INA, FAG); large bearings for industrial, wind and automotive.

thyssenkrupp rothe erde

HQ DE

World-leading maker of large-diameter slewing bearings and seamless rolled rings for cranes, wind turbines, mining and tunneling.