OK-Loza OJSC
Manufacture of precision instrument bearings and combined bearing assemblies

phone:
+7 (496) 551-96-21
phone/fax:
+7 (496) 551-96-39


  • Manufacture of precision instrument bearings
    Manufacture of precision instrument bearings
    radial, radial-thrust with the inner diameter from 1 mm and outer diameter of up to 35 mm
  • Manufacture of combined bearing assemblies
    Manufacture of combined bearing assemblies
    for navigation, guidance, and stabilization systems of different equipment
  • Manufacture of bearings for medical equipment
    Manufacture of bearings for medical equipment
    bearings for dental air-turbine handpieces, bearing units for artificial blood-circulation apparatus, self-lubricating bearings for X-ray tubes assemblies and etc.
  • Manufacture of other special bearings and components
    Manufacture of other special bearings and components
    bearings of spindle assemblies for machines, bearing units for diamonds cutting and polishing equipment, components of turbochargers for engines
  • Manufacture of balls from 0.68 to 60 mm in diameter
    Manufacture of balls from 0.68 to 60 mm in diameter
    of various steels, alloys and materials

Dear partners, colleagues, dear friends!

OK-Loza Open Joint-Stock Company is a legal successor of All-Soviet Union Research and Development Technological Institute of Bearing Industry (ZF VNIIP) (its Zagorsk branch) created on the basis of Special Technological Laboratory of the Glavpodshipnik Central Design Bureau Pilot Production Plant (LOZa) established in 1949. The Company specializes in the development, manufacture, modernizing, and research of precision instrument ball bearings and combined bearing assemblies.

Current team of designers, process engineers, and other specialists, high expertise of workers and modern high-precision process equipment allow resolving the most challenging problems of the development and manufacture of instrument bearings of both standard and special designs combining the components of bearings and bearing assemblies of special machinery articles and gyroscopic instruments.

Optimization of manufacturing processes, technical requirements for bearings and use of new materials for manufacture of bearings components and methods and equipment for testing the components and assembled bearings ensure their highest quality level being highly competitive with the foreign equivalents and meeting the most stringent user requirements.

OK-Loza OJSC means advanced technologies, modern developments and equipment, wide scientific and production experience, as well as the team of experts being the most important asset of the plant. This all has been gathered together for the solution of each specific task to meet the requirements of the global quality standards and work for the enhancement of the economic efficiency of the whole production process.

The history of our plant is a history of strong work ethic, purposefulness, team spirit and proper strategy. Our team has a lot to be proud of!

Main activities

Manufacture of precision instrument bearings
Radial, radial-thrust with the inner diameter from 1 mm and outer diameter of up to 35 mm, two-row and three-row bearings, special bearings as per the technical specifications of the customers, made of double-melted bearing steel, corrosion-resistant and heat-resistant steels, and also nonmagnetic alloys
Manufacture of combined bearing assemblies
For navigation, guidance, and stabilization systems of different equipment which structure is integrated into the instrument assembly, with the use of especially pure bearing steel, corrosion-resistant steels, and nonmagnetic alloys
Manufacture of bearings for medical equipment
Bearings for dental air-turbine handpieces with the rotational speed of up to 400 thousand rpm, bearing units for artificial blood-circulation apparatus, self-lubricating bearings for X-ray tubes assemblies, and bearings with ceramic balls and cages made of various polymeric materials
Manufacture of other special bearings and components
Bearings of spindle assemblies for grinding and drilling machines, bearing units for diamonds cutting and polishing equipment, components of turbochargers for cars and tractors engines, and precision components of electronic banking devices
Manufacture of balls from 0.68 to 60 mm in diameter
Made of various bearing steels and alloys, non-ferrous metals, from titanium, heavy-duty ceramics, balls for precision assemblies of accuracy rating 5, free balls of all the accuracy ratings, and balls from hard alloys
Research and development activities
OK-LOZA OJSC conducts research and development to improve quality, reliability, and service life of bearings and create new designs, together with the leading research institutes and plants of the instrument-making industry.
Manufacture of bearings in compliance with Main Standards (GOST)
Manufacture of bearings in compliance with Main Standards (GOST)
Inspection at all the stages
Inspection at all the stages
Products as per specific technical specifications
Products as per specific technical specifications
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Over 300 standard bearing sizes have been developed
A unique park of machine tools
A unique park of machine tools manufactured in USA, Japan, and Germany

The products are in great demand from instrument-making factories, automakers, textile, medical factories, and jewelry makers.

OK-Loza OJSC is a member of International Technical Committee 307 and Technical Committee 307, which review, revise, and adopt inter-industry and national standards, and also ISO standards.

Bearings by OK-Loza OJSC are the time-proved methods of high-quality instrument bearings manufacturing, which guarantee their reliability and operational safety, highest rotational accuracy, rigidity, and uniform rigidity in the axial and radial directions, minimum working surfaces deterioration and minimum antitorque moment, noise level and vibration parameters.