LEONESSA Bearings Yancheng Co., Ltd

What LEONESSA Bearings Yancheng Co., Ltd does

LEONESSA Bearings Yancheng Co., Ltd is a Yancheng, Jiangsu-based manufacturer of slewing bearings (turntable bearings) established in 2011 as a wholly-owned Chinese subsidiary of Italian parent La Leonessa S.p.A. (founded 1954). The company produces four product series — external tooth, internal tooth, non-tooth, and flange type — covering an outer-diameter range of 400mm to 2000mm, supplying critical rotational components for cranes, aerial work platforms, construction machinery, marine and offshore equipment, trailers, and heavy industrial applications. Its certified customer roster spans major OEMs including SANY, Liebherr, Komatsu, Caterpillar, Zoomlion, TEREX, Bauer, Manitou, DINGLI, LGMG, Comansa, and others across China, South Korea, and Europe, complemented by Indian-market sales representation as of 2025.

The company's core technology is precision metallurgy and machining of large-format slewing rings, with quality and qualification frameworks anchored by ISO 9001, ISO 14001, ISO 45001, and classification society certifications from ABS, DNV, Bureau Veritas, Lloyd's Register, Rina, and Russian Maritime Register. A scheduled April 2026 DNV surveillance audit evidences ongoing investment in compliance across quality, environmental, and occupational-safety regimes. The firm has surpassed a cumulative 100,000-bearing production milestone (by November 2021) and reported 66% year-over-year revenue growth in 2021, and was awarded Comansa's 2025 Outstanding Supplier recognition.

LEONESSA operates a direct OEM sales model with custom-quoted, application-engineered bearings rather than a standardized catalog distribution channel. Pricing is bespoke per customer specification. Its commercial footprint comprises direct sales in China and a sales-representative presence in India following its Excon 2025 market entry, with no disclosed revenue, headcount figures beyond a possibly artifact-driven six-employee count, or funding events. Strategic continuity with the Italian parent provides technology transfer, brand credibility, and a 60+ year technical heritage that supports design-in positioning with multinational OEMs.

Name

LEONESSA Bearings Yancheng Co., Ltd

Legal name

牛力士轴承（盐城）有限公司

Website

https://leonessa-yancheng.com

Company type

Private

Founded year

2011

Operating status

Operating

Headcount range

1–10 employees

Short description

LEONESSA Bearings Yancheng manufactures 400–2000mm slewing bearings for cranes, construction machinery, marine, and heavy-equipment OEMs in China and India, leveraging Italian parent La Leonessa S.p.A.'s 60+ year heritage and eight major classification certifications.

Ownership category

akta.pro rank

Product category

Industrial Bearings

NAICS

Ball and Roller Bearing Manufacturing (332991)

SIC

Ball & Roller Bearings (3562)

akta.pro primary industry

Wheel Hubs, Bearings & Knuckles (Hubs/Bearings/Spindles/Knuckles) (IMACAIAI)

Keywords

• Slewing bearings
• Turntable bearings
• Construction machinery bearings
• Maritime certified bearings
• Custom bearing manufacturing

Headquarters

HQ city

Yancheng

HQ country

China

HQ region

Asia

Offices2 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Operations, Personnel, Technology or R&D, Infrastructure, Marketing or Sales

Revenue model

1. Slewing Bearings / 回转支承: Sale of custom-designed and standard slewing bearings across four series (外齿型, 内齿型, 无齿型, 法兰型) to OEMs and end-users in construction machinery, lifting, maritime, renewable energy, automation, and transport sectors. Products are sold directly to equipment manufacturers as critical components (machine joints).

Pricing tiers

Go-to-market motion2 records

Distribution channels2 records

Marketing channels5 records

Core offering

LEONESSA Bearings Yancheng Co., Ltd manufactures custom and standard large-diameter slewing bearings (turntable bearings) with outer diameters ranging from 400–2000mm. Its product portfolio spans four series — external tooth, internal tooth, non-tooth, and flange type — built to simultaneously support axial, radial, and overturning moment loads. The bearings are sold directly to equipment OEMs in construction machinery, lifting and transport, maritime, renewable energy, automation, and heavy transport sectors.

Product overview

LEONESSA Bearings Yancheng Co., Ltd is a subsidiary of Italian La Leonessa S.p.A., established in 2011 in Yancheng, China. The company specializes in manufacturing slewing bearings (also called turntable bearings or slewing rings), which are critical mechanical components that enable rotational movement while supporting axial, radial, and overturning loads. The product portfolio consists of four main series: External Tooth Type (外齿型), Internal Tooth Type (内齿型), Non-Tooth Type (无齿型), and Flange Type (法兰型) slewing bearings. These products are widely applied in construction machinery, aerial work platforms, forklift attachments, truck cranes, concrete pump trucks, rotary drilling rigs, wind turbines, marine equipment, and automation machinery. The company emphasizes customized solutions, high-quality manufacturing standards aligned with Italian factory procedures, and strict quality control with four rounds of 14-step inspections for every bearing produced.

Differentiator

Problem solved

Functional benefit

Products and services

• External Tooth Type Slewing Bearings (外齿型回转支承)
• Internal Tooth Type Slewing Bearings (内齿型回转支承)
• Non-Tooth Type Slewing Bearings (无齿型回转支承)
• Flange Type Slewing Bearings (法兰型回转支承)

Quantifiable outcome

• 100% traceability from raw materials to finished product
• +5 more outcomes

Named customers18 records

Segments6 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature6 records

Partnerships

One partnership is on record.

• La Leonessa S.p.A (意大利牛力士集团)coreStrategic or Co-development Partner · 1 January 2011Italian parent company and sole investor of Leonessa Bearings Yancheng Co., Ltd. La Leonessa was established in 1954 and has specialized in slewing bearing design and manufacturing for over 60 years. The Yancheng facility operates with identical processing procedures to the Italian factory, uses imported key components, and is staffed by core personnel trained at the Italian headquarters. This is the core relationship underpinning all technology, quality standards, and brand identity.

Scale indicators5 records

Recent moves7 records

Expansion highlights5 records

Direct peers

• Rollix (Defontaine Group): French specialist manufacturer of slewing rings and turntable bearings for industrial applications including construction, defense, medical, and renewable energy. Directly comparable niche specialist competing in the same slewing-bearing category Leonessa serves.
• Rothe Erde (ThyssenKrupp): Global market leader in slewing bearings and large-diameter bearings, serving construction, wind, maritime, and material handling. Closest direct comparable to Leonessa's product range and customer verticals, though at vastly larger scale and broader geographic footprint.
• IMO / Kaydon (SKF): Kaydon (formerly IMO) was the historic slewing bearing specialist now part of SKF. Continues to serve construction, wind, and offshore markets with custom-engineered slewing rings — a near-exact product overlap with Leonessa, only at much greater global scale.
• Tonly Heavy Industries: Chinese slewing bearing manufacturer supplying construction machinery OEMs (excavators, cranes, concrete pumps). Headquartered in China with similar cost structure and customer overlap — the most direct domestic competitor to Leonessa Yancheng.

Broad incumbents

• Timken: US-based engineered bearings and power transmission manufacturer. Has historically focused on tapered roller bearings but expanded into slewing and large-diameter bearings for industrial markets including construction and wind.
• SKF: World's largest bearing manufacturer with broad coverage including slewing bearings, automotive bearings, and industrial bearings across all of Leonessa's end-markets. Competes broadly but does not specialize exclusively in slewing bearings.
• NTN-SNR: Japanese-French bearing manufacturer with industrial, automotive, and wind energy bearings including slewing rings for wind turbines. Larger incumbent with overlapping wind and construction customer base but broader portfolio scope.
• JTEKT (Koyo): Japanese bearing and steering systems manufacturer (Koyo brand) producing industrial, automotive, and slewing-type bearings. Competes in adjacent bearing categories serving construction and wind customers.
• Schaeffler (INA / FAG): German global bearing and motion component manufacturer with INA and FAG brands serving automotive, industrial, and wind energy markets. Competes with Leonessa in slewing rings, particularly for wind turbine applications, but as part of a much broader portfolio.
• NSK: Japanese global bearing manufacturer with industrial and automotive bearing offerings including slewing-type products. Competes in construction machinery and wind segments but is broadly diversified across all bearing categories.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat4 records

Key risks5 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/leonessa-bearings

Compliance9 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about LEONESSA Bearings Yancheng Co., Ltd