Company Profile

Engineering Bearings for Demanding Industrial Applications

Founded in 1998 in Luoyang, China, CHG Bearing integrates bearing design, research, manufacturing, inspection and global service for rolling mills, precision equipment and other demanding industrial applications.

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1998

Founded

300+

Employees

85%+

CNC & Intelligent Equipment

39,330 m²

Manufacturing Site

40+

Countries Served

220+

Production & Inspection Machines

Who We Are

A Specialized Bearing Manufacturer Built on Engineering and Manufacturing

汇工与牡丹图 - 副本
PRECISION MANUFACTURING

GLOBAL OEM / ODM PARTNER

Engineering & R&D · Integrated Manufacturing · Quality Inspection · Global Technical Service

OVERVIEW

Luoyang Huigong Bearing Technology Co., Ltd. was founded in March 1998 and is located in Luoyang, one of China's major bearing-industry centers. CHG specializes in the design, research, manufacture and supply of rolling mill bearings, precision and thin-section bearings, crossed roller and slewing bearings, and large rolling elements. With in-house engineering teams, integrated production processes and comprehensive inspection capabilities, CHG supports both standard bearing supply and application-specific requirements. Our goal is to help customers achieve reliable operation through suitable products, controlled manufacturing and responsive technical service.

01
Registered Capital

RMB 31 million

02
Technical Platforms

Henan Engineering Technology Research Center and Henan Enterprise Technology Center

03
Production Capacity

Up to 30,000 rolling mill bearings and 40,000 precision thin-section bearings annually

04
Positioning

High-tech enterprise specializing in heavy-duty, precision and application-specific bearings

Core Products

Rolling Mill Bearings

Rolling Mill Bearings

Heavy-duty bearing solutions for ferrous and non-ferrous rolling equipment, designed for high loads, demanding duty cycles and long-term operation.

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Thin Section Ball Bearings

Thin Section Ball Bearings

Space-saving bearings with a constant cross section for aerospace, medical, communication, automation and other precision applications.

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Crossed Roller Bearings

Crossed Roller Bearings

Compact, high-rigidity bearings for equipment requiring combined-load capacity, positioning accuracy and stable rotation.

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Slewing Bearings

Slewing Bearings

Large-diameter rotational bearing solutions for equipment requiring axial, radial and moment-load support.

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Super Duplex Angular Contact Ball Bearings

Super-Precision Bearings

Super-precision bearings are high-performance bearings engineered for exceptional accuracy, smooth operation, high-speed rotation, and reliable performance in demanding applications.

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Miniature or Small Ball Bearings

Miniature or Small Ball Bearings

Miniature or small ball bearings are compact, precision-engineered bearings designed for applications requiring smooth, reliable rotation in limited spaces.

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Precision Ball Bearings

Custom Bearings

Custom bearings solutions for applications requiring controlled accuracy, speed, running stability and compact installation.

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Rolling Elements

Rolling Elements

Cylindrical, tapered and spherical rollers for large bearings, wind power, metallurgy, construction machinery and bearing manufacturing.

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GSOM辊底炉保护气氛贝氏体盐浴淬火生产线

R&D and Engineering

In-house Research Institutes

CHG operates dedicated heavy-duty bearing and precision bearing research institutes to support product development and application engineering.

Engineering Platforms

The company has established provincial-level engineering and enterprise technology centers in Henan.

Patents & Technical Accumulation

More than 80 patented technologies reflect continued development in heavy-duty bearings, precision bearings and manufacturing processes.

Application-specific Engineering

Engineering support can cover structure, material, accuracy, clearance or preload, heat treatment, lubrication and validation requirements.

Custom Process

Requirements Review

1

Engineering Design

2

Sample & Validation

3

Batch Production & QC

4

Delivery & Technical Support

5

Feedback & Improvement

6

Integrated Manufacturing

CNC Turning

A broad range of CNC lathes supports in-house turning of bearing rings and rolling elements.

Controlled Heat Treatment

Advanced carburizing and quenching lines provide visualized process control, automatic monitoring and recorded quality data.

Precision Grinding & Superfinishing

Internal, external, surface and centerless grinding, together with superfinishing, support demanding dimensional and surface requirements.

Inspection & Intelligent Assembly

Automated inspection, sorting, cleaning, marking, oiling and packaging connect final quality checks with efficient assembly and delivery.

Manufacturing Process

Material

1

Turning

2

Heat Treatment

3

Grinding

4

Superfinishing

5

Inspection

6

Assembly & Packing

7

Quality Assurance

Incoming Material Control

Material verification and chemical, metallographic or hardness checks are performed according to product and process requirements.

Process Control

Key manufacturing parameters are monitored and recorded to maintain traceability through turning, heat treatment, grinding and finishing.

Dimensional & Surface Inspection

Dimensional accuracy, roundness, profile, roughness, hardness and metallographic condition are checked with specialized instruments.

Final Inspection & Packing

Final inspection, flaw detection, sorting, cleaning, marking, rust protection and packing are completed before shipment.

Inspection Equipment

01

Coordinate Measuring Machine

Complex dimensional inspection

02

Roundness Measuring Instrument

Roundness and form inspection

03

OPTIKA Metallurgical Microscope

Metallographic analysis

04

Carbon-Sulfur Analyzer

Carbon and sulfur analysis

05

Spectrometer

Material composition analysis

06

Profile & Roughness Instrument

Profile and surface-finish inspection

07

Vickers Hardness Tester

Hardness verification

08

Protrusion Measurement Instrument

Measuring bearing ring height difference

Quality and Management System Certifications

GB/T 24001-2016 / ISO 14001:2015 Environmental Management System Certificate

Environmental Management System

GB/T 45001-2020 / ISO 45001:2018 Occupational Health and Safety Management System Certificate

Occupational Health & Safety Management System

GB/T 19001-2016 / ISO 9001:2015 Certificate of Quality Management System

Quality Management System

Laboratory Accreditation Certificate（CNAS）

Laboratory Accreditation Certificate

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