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LYC Bearing Corporation
LYC Bearing Components

LYC Bearing Components

Product catalog summary

General Information
Founded in 1954, Luoyang Bearing Corp. (LYC) is headquartered in Luoyang, Henan, China, with a facility size of 1,667,000 square meters and employing 11,000 people, including 2,500 technical personnel. The company produces 120 million bearings annually across 10 categories and sells to over 70 countries.

Quality Assurance
LYC is certified with ISO 9001, ISO 14001, ISO/TS 16949, and AS9100 standards, ensuring high-quality production processes.

Bearing Components
LYC operates separate factories for producing steel balls, rollers, cages, and bearing rings, including heat treatment capabilities. The company has a significant production capacity for various components:

Bearing Rings: Produces 40 million pieces annually, including radial ball, taper roller, and cylindrical roller bearing rings.
Steel Balls: Produces balls ranging from 3.175mm to 152mm with precision grades from G5 to G100, suitable for industries like wind power and aviation.
Rollers: Manufactures taper, cylindrical, and spherical rollers in over 800 sizes, with customization available.
Solid Cages: Produces solid cages for seven bearing series using materials like bronze and brass.
Pressed Cages: Capable of producing up to 100 million pieces annually, with advanced equipment for stamping and molding.
Heat Treatment: Processes over 50 million pieces annually, with capabilities for quenching, tempering, and carburization.

Technical Upgrading
LYC has invested significantly in technical upgrades, enhancing production capacity and precision for bearings, particularly for precision and wind turbine bearings.

Factory Details
Each factory is equipped with advanced machinery and inspection instruments, certified by ISO standards, and has specific production capacities and ranges:

Turning Factory: Produces 13.8 million turning parts and 6 million rollers annually.
Steel Ball Manufacturing: Produces 11 million steel balls annually, with a range of precision grades.
Roller Manufacturing: Produces various types of rollers with a focus on precision and high-grade rollers.
Solid Cage Factory: Produces 4000 tons of copper tubes and over 1 million solid cages annually.
Press Cage Factory: Produces 20 million press cages annually, with a wide range of designs.
Heat Treatment Factory: Processes 50 million bearing rings and 630 million rollers annually.

Advanced Equipment
LYC has invested in high-precision equipment from leading manufacturers worldwide, enhancing its production capabilities for precision rollers and bearings.

Reference List
LYC supplies components to major international companies, including SKF, TIMKEN, and others across various countries.

Catalog excerpts

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GENERAL INFORMATION • Founded in 1954 • Headquarters in Luoyang, Henan, China • Facility Size: 1,667,000 square metres • Employment: 11,000 total 2,500 Technical Personal • Annual Output: 120 Million bearings in 10 Categories • Sales in more than 70 countries © 2015 Luoyang Bearing Corp. (Group) All Right

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LYC has separate factories for steel balls, rollers, cages and bearing rings production, and also could make the heat treatment for the above mentioned components. © 2015 Luoyang Bearing Corp. (Group) All Rights Reserved

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LYC Bearing Components Bearing Rings LYC Turning Factory mainly produces 9 categories of bearing rings such as radial ball bearing rings, taper roller bearing rings, cylindrical roller bearing rings etc. Its annual production capacity of bearing rings is 40 million pieces and rollers are 4 million. Steel Balls LYC Steel Ball Manufacturing Factory can produce many kind of balls and stainless steel balls ranged from 3.175mm to 152mm with accuracy grade from G5 to G100. The vibration value of single ball from Z1 to Z5. The balls are suitable to be applied in various industries of wind power, mining,...

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Inspection instruments: 20 sets Capacity: 13.8 Milliion pcs for Turning Parts, and 6 Million pcs of Rollers per year Product Range: Turning Ring with the OD from 30mm to 600mm; Roller with the diameter from 20mm to 146mm and heigh from 10mm to 191mm. © 2015 Luoyang Bearing Corp. (Group) All Rig

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LYC Steel Ball Manufacturing Factory Equipment: 600 sets Employee: 350 Inspection instruments: 40 sets Factory Area: 15340 m2 Certificated by ISO9001 and ISO14001 Capacity: 11 Milliion pcs yearly © 2015 Luoyang Bearing Corp. (Group) All Right

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Production Range Ball Specification Steel brand

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Equipment and Instrument for Steel Balls Czech AVIKO Flaw Detecting Machine JQR AⅢ Automatic Steel Ball Ⅲ Appearance Detecting Instrument © 2015 Luoyang Bearing Corp. (Group) All Rights Reserved JCS-026 Steel Ball Roundness Test

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Technical Upgrading • Increased 10 sets of equipments before heat treatment • Increased 79 sets of equipments after treatment • Increased 8 sets of equipment for machine maintenance and transport • Increased 34 set of measuring instrument • Other testing instrument After technical upgrading,production capacity will reach 20 million pcs Yearly. The balls for precision bearing would meet G5 without abnormal sound. The balls for wind turbine bearing will be met with G10~G20. © 2015 Luoyang Bearing Corp. (Group) All Rights

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LYC Roller Manufacturing Factory • • • • • • • Equipment: 496 sets including 78 sets imported equipment Inspection instruments: 449 sets including 22 precision instruments Factory Area: 21640m2 Employee: 783 Medium and Senior Technician: 30 Certificated by ISO9001 and ISO14001 Roller Type & Range: Taper roller (Φ5~Φ60 mm), Cylindrical roller (Φ5 ~Φ60 mm), Spherical roller (Φ5 ~Φ60 mm), Needle roller (Φ3~Φ10 mm) © 2015 Luoyang Bearing Corp. (Group)

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Process Flow For Taper Roller Cold heading Soft grinding Super finishing Fine grinding and final grinding (XF-004) © 2015 Luoyang Bearing Corp. (Group) All Rights Reserved Heat treatment (Imported from Japan) Grind spherical fiducial surface Rough grinding

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Process Flow For Cylindrical Roller Pressing Soft grinding Rough grinding Heat treatment Quenching at protective atmosphere Super finishing Outer surface grinding © 2015 Luoyang Bearing Corp. (Group) All Rights Reserved Face grinding

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Process Flow For Sphercial Roller Cold heading Soft grinding NP450、NF460 Final grinding outer Polishing diameter © 2015 Luoyang Bearing Corp. (Group) All Rights Reserved Heat treatment Rough grinding Quenching at protective atmosphere Grinding basal plane face grinding

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Equipment and Inspection Measuring Instrument Roundness Measuring Instrument Roughness Profiler Outer Diameter Grinder for Roller Superfinishing Machine for Imported from Germany Spherical Fiducial Surface ©2015 Luoyang Bearing Corp. (Group) All Rights Reserved

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Technical Upgrading • Since 2009,LYC has invested over 200million RMB(29million USD)on roller’s technological upgrading. • Among total investment, imported equipment value is over 60 Million RMB(8.8 Million USD) • All equipments are introduced from first-class roller equipment in the world or China • All equipment will be installed at second-half of 2010. • Manufacturing capacity on precision rollers (II grade rollers and I grade rollers) and the rollers for railway bearings will be enhanced extremely. © 2015 Luoyang Bearing Corp. (Group) All Right

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List of Imported Equipment • High precision spherical (Flat) Surface Grinding Machine for cylindrical roller (Manufacturer: SEIBU, Japan) • CNC supper finishing machine for cylindrical roller (Manufacturer: Supfina, Germany) • CNC Superfinishing machine for tapered roller (Manufacturer: Supfina, Germany) • CNC Superfinishing machine for cylindrical roller (Manufacturer: Supfina, Germany) • CNC Infeed Centerless Grinding Machine (Manufacturer: Mirosa, Germany) • CNC Through feed centerless grind machine (Manufacturer:Mirosa, Germany) • CNC Infeed Centerless grinding machine (Manufacturer: Mirosa,...

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LYC Bearing Components

LYC Bearing Components

Catalog excerpts

All LYC Bearing Corporation catalogs and technical brochures