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RKB – Fertigung

Swiss rolling bearing manufacturer: industrial bearings from 1 mm bore to over 2,000 mm outside diameter, including special designs.

RKB Logo

RKB Europe SA – RKB Bearing Industries Group

Balerna (CH) · Panama, Albrook Free Zone (PA) · North Macedonia (MK)New on Amplifa

1936Founded (bearing industry, Switzerland)
BalernaExecutive Headquarters and Technological Center
70+Countries in the distribution network
1–2,000+ mmBore to outside diameter
over 3 tUnit weight of large technological bearings

About RKB Bearing Industries

The RKB Bearing Industries Group is a Switzerland-based manufacturing organization that has been active in the bearing industry since 1936. The company designs and produces industrial rolling bearings from 1 mm bore diameter to over 2,000 mm outside diameter, as well as technological bearings with outside diameters up to 1,925 mm for OEM and MRO customers worldwide. The value chain includes forging of bearing components, in-house heat treatment with automatic parameter control, primary CNC machining, turning and grinding of rings and rollers, and assembly according to element pairing charts derived from metrological measurements. Through-hardened and case-hardened bearing steels are processed; surface chemical treatments complete the range. Key industries include the steel industry, mining, cement, marine/offshore, the wire and cable industry, HVAC motors, and power and heating plants. Executive Headquarters and Technological Center are located in Balerna (CH); a global distribution network supplies over 70 countries.

Site
Balerna
Processes
Rolling bearing design and manufacturing (industrial bearings, 1 mm bore to over 2,000 mm, Forging of bearing components (bar/block cutting, heating, upset forging, upsetting and, Heat treatment (through-hardened and case-hardened steel, in-house hardening process with, Primary machining on CNC machines (turning), Turning and grinding of rings and rollers (final geometry, micro-geometry profiles,, Ultra-high-precision machining of Masterpieces (reference specimens) for rings and rollers, Assembly of bearings according to element pairing charts derived from metrological measurements, Surface chemical treatments of bearings for special surface requirements
Materials
Bearing steel, through-hardened, Bearing steel, case-hardened
Certificates
D&B Risk Indicator 1 / Top Rating (Top 2% Swiss companies, 11 years in, D&B Rating Certificate (Top 2% Swiss companies)
Founded
1936
Industries
Steel Industry, Mining, Cement, Marine/Shipyard/Offshore, HVAC (Motors), Wire and Cable Industry
  1. 01

    Design and Engineering

  2. 02

    R&D

  3. 03

    Raw material selection and inspection

  4. 04

    Forging (cutting to size, heating, upset forging, rolling)

  5. 05

    In-house heat treatment

  6. 06

    Primary machining on CNC machines

  7. 07

    Turning and grinding of rings and rollers

  8. 08

    Surface chemical treatments

  9. 09

    Assembly according to element pairing charts

  10. 10

    Multilevel quality control

  11. 11

    Distribution and after-sales services

Materials & Processes

WLS-D

Bearing steel, through-hardened

For rings and rollers with in-house hardening process and full process traceability.

WLS-E

Bearing steel, case-hardened

Case-hardened bearing steels for applications with high fatigue strength and wear-exposed surfaces.

Locations

Balerna

CH

Executive Headquarters and Technological Center

Part weight / size
Bearings up to over 2,000 mm OD; technological bearings up
Lot size
Standard and custom manufacturing (Special Projects)
Materials
Through- and case-hardened bearing steel
  • CNC machining equipment
  • Ultra-high-precision machine tools (Masterpieces)
  • Heat treatment systems with automatic parameter control
  • Metrology laboratory

Panama (Albrook Free Zone)

PA

RKB Sudamericana: warehouse, offices, showroom, training room

Lot size
Large bearing stocks
  • Modern warehouse logistics

North Macedonia (RKB Balkans)

MK

Sales and back office

Bearings & Components

Spherical roller bearings for high-pressure feed breakers
Spherical roller bearings for high-pressure feed breakersTechnological Bearings · Mining/Cement
TQO bearings for rolling mill backup rolls
TQO bearings for rolling mill backup rollsTechnological Bearings · Steel Industry
Track rollers LR 5206 KDD for wire braiding machines
Track rollers LR 5206 KDD for wire braiding machinesTrack Rollers · Wire and Cable Industry
Multi-row cylindrical roller bearings
Multi-row cylindrical roller bearingsMultiroll Bearings · Heavy Industry

Inside the production

Bearing application in bucket-wheel excavator gearboxes (mining)
Bearing application in bucket-wheel excavator gearboxes (mining)
Manufacturing and assembly of technological bearings
Manufacturing and assembly of technological bearings
Quality control at the Technological Center
Quality control at the Technological Center

Industries

Steel IndustryMiningCementMarine/Shipyard/OffshoreHVAC (Motors)Wire and Cable IndustryPetrochemical/Drilling RigsPower and Heating PlantsConcrete ProductsCoil and Winding TechnologyPetrochemical/Drilling Rigs (Jacking Systems)Energy Industry/Power and Heating PlantsConcrete Products/Foundry-Like Applications

Processes & technical limits

ProcessesToleranceMax. partWeightLot sizeMaterials
Rolling bearing design and manufacturing (industrial bearings, 1 mm bore to over 2,000 mmEngineering–over 2,000 mm (outside diameter)1 mm bore–Bearing steel (through-hardened), Bearing steel (case-hardened)
Forging of bearing components (bar/block cutting, heating, upset forging, upsetting andForming––––Bearing steel (through-hardened), Bearing steel (case-hardened)
Heat treatment (through-hardened and case-hardened steel, in-house hardening process withHeat Treatment––––through-hardened bearing steel, case-hardened bearing steel
Primary machining on CNC machines (turning)Machining––––Bearing steel
Turning and grinding of rings and rollers (final geometry, micro-geometry profiles,Machining––––Bearing steel
Ultra-high-precision machining of Masterpieces (reference specimens) for rings and rollersMachining––––Bearing steel
Assembly of bearings according to element pairing charts derived from metrological measurementsAssembly––––Bearing steel
Surface chemical treatments of bearings for special surface requirementsSurface––––Bearing steel
Magnetic particle inspection (MPI) for surface micro-cracksTesting––––Bearing steel
Ultrasonic micro-crack detection for subsurface micro-cracksTesting––––Bearing steel
Multilevel quality control system (raw material, pre-process, in-process, post-process, hardness andTesting––––Bearing steel
Design and manufacturing of technological bearings (outside diameter up to 1,925 mm) for OEM and MROEngineering–1,925 mm (outside diameter)––Bearing steel
Manufacturing of ball bearings, spherical roller bearings, tapered roller bearings, cylindricalJoining––––Bearing steel

3 Anlagen & Maschinen

MachineManufacturer / modelQuantityWorking areaYear builtSite
CNC machining system for primary machining––––RKB production sites
Ultra-high-precision machine tools (Masterpieces manufacturing)––––RKB production sites
Heat treatment systems with automatic parameter control (temperature, atmosphere,––––RKB production sites (in-house)

Additional services

Design and EngineeringR&D (Research and Development)Multilevel quality control (raw material, pre-/in-process, final inspection)In-house heat treatmentMetrology laboratory and testing (magnetic particle, ultrasonic)Surface chemical treatmentsTechnical consulting/application engineering (pre-sales and on-site support)Assembly support and commissioningCustomer trainingAfter-sales services and monitoring (RKB Follow-Up Form)Large bearing stocks and fast deliverySpecial Projects (custom designs)

Reference customers

Damen Services Middle East (UAE)Mult Engrenagens (Brazil)Polysius (vertical roller mills, Brazil)Ryasa (Galicia, Spain)Majestic Oil (Pvt) Ltd (Pakistan)

Quality Assurance

RKB employs a multilevel quality control system covering raw material and pre-, in- and post-process stages, including steel cleanliness evaluation as well as hardness and microstructure testing. Inspection equipment includes magnetic particle inspection (MPI) for surface and ultrasonic detection for subsurface micro-cracks, plus a metrology laboratory with Masterpieces reference specimens.

EvidenceBalerna
D&B Rating Certificate (Top 2% Swiss companies)

History

  1. 1936

    Start of operations in the bearing industry in Switzerland

  2. 2021

    Success Case: Track rollers LR 5206 KDD for wire braiding machines in Mexico

  3. 2022

    Once again recognized as a top Swiss company by Dun & Bradstreet (Risk Indicator 1)

  4. 2024

    D&B Rating Certificate for the 11th consecutive year – Top 2% of Swiss companies

  5. 2024

    Delivery of large-format technological bearings (over 3 t) for high-pressure feed breakers (mining/cement)

  6. 2024

    New branch offices: RKB Sudamericana (Panama) and RKB Balkans (North Macedonia)

  7. 2024

    Strategic partnership with Damen Services Middle East (UAE) for marine/offshore

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