S V Hi-Tech Bearing (India) Private Limited

Active magnetic bearings (AMBs) are advanced, contactless bearing systems that use actively controlled electromagnetic forces to levitate and stabilize rotating shafts without physical contact. By eliminating metal-to-metal contact, AMBs drastically reduce friction, wear, and heat generation, allowing for higher rotational speeds, increased energy efficiency, and significantly reduced maintenance. Equipped with sophisticated sensors and control electronics, AMBs continuously monitor and adjust electromagnetic forces to maintain precise rotor positioning. This results in improved rotordynamic stability, lower noise and vibration, oil-free operation, and enhanced machine reliability, making them an ideal choice for next-generation industrial machinery.

Industrial Applications

• Energy & Power Generation: High-speed turbines, compressors, generators
• Oil & Gas: Downhole motors, pumps, and centrifugal compressors
• Aerospace: Gas turbine engines, auxiliary power units (APUs)
• Industrial Manufacturing: High-speed spindles, machine tools, robotics
• HVAC & Refrigeration: Compressors for chillers, heat pumps
• Chemical & Petrochemical: Pumps, mixers, reactors requiring contamination-free environments
• Automotive & Transportation: Electric vehicle motors and high-speed applications
• Food & Beverage: Hygienic processing machinery requiring oil-free bearings

Brands

• Wauk Bearing: Specialists in magnetic bearing technology with custom engineering solutions
• SKF: Global leader delivering robust and reliable active magnetic bearing systems
• Calnetix Technologies: Innovators in magnetic bearing designs for diverse industrial sectors
• Magnetrol: Provider of advanced magnetic bearing control and diagnostic systems
• Viiplus: OEM supplier offering cost-effective magnetic bearings in India
• Indian OEMs: Local manufacturers supporting tailored AMB solutions for industrial clients

Types

• Radial Active Magnetic Bearings: Provide precise radial support and rotor positioning
• Axial Active Magnetic Bearings: Control axial displacement through magnetic levitation
• Hybrid Magnetic Bearings: Combine magnetic suspension with auxiliary mechanical bearings for safety
• High-Speed Magnetic Bearings: Optimized for high RPM applications in turbines and compressors
• Customized Magnetic Bearing Assemblies: Designed for specialized shaft sizes, control features, and load capacities

Part Numbers

• Part numbers specify bearing type (radial/axial/hybrid), rotor diameter range, electromagnetic coil configurations, and control system specs
• Manufacturer catalogs from SKF, Wauk Bearing, and Calnetix provide detailed part codes and model series
• Selection requires technical evaluation of load, speed, environmental conditions, and control system integration details

Hybrid magnetic bearings (HMBs) combine the advantages of active magnetic bearings (AMBs) and permanent magnet bearings to provide a contactless, energy-efficient solution for supporting rotating shafts. This hybrid configuration uses permanent magnets to offer passive load support, reducing the active magnetic bearing’s power consumption and control effort. The result is improved energy efficiency, reduced operational costs, minimal friction and wear, and enhanced machine reliability. HMBs enable higher speeds, longer service life, and eliminate lubrication needs, making them ideal for advanced industrial machinery where precision, durability, and low maintenance are critical.

Industrial Applications

• Energy & Power Generation: High-speed turbines, generators, compressors
• Oil & Gas: Centrifugal compressors, pumps, drilling equipment
• Aerospace: Jet engines, satellite reaction wheels, aircraft auxiliary power units
• Industrial Machinery: Machine spindles, high-speed motor drives, robotics
• HVAC: High-speed compressors and chillers
• Chemical Processing: Agitators, mixers, pumps in corrosive environments
• Renewable Energy: Wind turbine generators, solar tracker motors
• Automotive: Electric drive motors, high-speed transmission trains

Brands

• SKF: Industry leader in hybrid magnetic bearing technology and manufacturing
• Wauk Bearing: Custom-engineered hybrid magnetic bearing systems
• Calnetix Technologies: Innovators of energy-efficient HMB solutions
• Viiplus: OEM supplier of hybrid magnetic bearing components
• ThyssenKrupp: Advanced magnetic bearing engineering for critical applications
• Indian OEMs: Cost-effective local providers of hybrid magnetic bearing technology

Types

• Radial Hybrid Magnetic Bearings: Combine passive PM support with active electromagnetic control for radial load handling
• Axial Hybrid Magnetic Bearings: Support axial loads using hybrid magnetic technology
• High-Speed Hybrid Bearings: Designed for extreme rotational speeds in turbines and compressors
• Customized Hybrid Bearing Solutions: Tailored to specific load, speed, and environment requirements

Part Numbers

• Part numbers define bearing configuration (radial/axial), load rating, rotor diameter, coil design, and control features
• Manufacturer series include SKF HMB series, Wauk Bearing customized codes, Calnetix model numbers
• Proper part selection requires consultation of technical documentation and system integration parameters

Passive magnetic bearings (PMBs) provide non-contact rotor support by using permanent magnets arranged to produce stable levitation forces. Unlike active magnetic bearings, PMBs require no external power or complex control systems, resulting in maintenance-free operation, minimal friction, low vibration, and long service life. Their simple design eliminates lubrication needs and reduces wear and noise, offering excellent performance in harsh and vacuum environments. These bearings also provide high-speed capability, energy efficiency, and enhanced reliability, making them a cost-effective, low-complexity solution for various industrial applications.

Industrial Applications

• Energy Storage: Flywheel energy storage systems for grid stabilization
• Industrial Machinery: Centrifuges, flywheels, and high-speed rotors
• Pumping Systems: Oil and gas compressors, vacuum pumps
• Renewable Energy: Wind turbine rotors and solar tracker systems
• Medical Technology: Magnetic levitation pumps and imaging devices
• Aerospace: Vibration-free stabilizers, actuators, reaction wheels
• Transportation: Maglev trains and high-speed transport systems
• Vacuum Equipment: Semiconductor fabrication pumps and vacuum chambers

Brands

• Calnetix Technologies: Innovator of durable and efficient passive magnetic bearings
• Wauk Bearing: Specialist in combining passive magnetic bearings with active damping solutions
• SKF: Global supplier providing advanced magnetic bearing technologies
• Viiplus: OEM supplier delivering custom passive magnetic bearing solutions
• Indian OEMs: Local manufacturers offering tailored and cost-effective PMB solutions

Types

• Permanent Magnet Passive Bearings: Utilize neodymium or rare-earth magnets for levitation
• Halbach Array Bearings: Magnetic arrangements enhancing field strength and stability
• Hybrid Passive Bearings: Combine permanent magnets with active electromagnetic dampers for improved control
• Superconducting Passive Bearings: Used in specialized high-performance applications
• Custom Designs: Engineered solutions tailored for specific speeds, loads, and environmental conditions

Part Numbers

• Part numbers define bearing type, magnet configuration, load capacity, operating speed, and size
• Typical series offered by Calnetix, Wauk, SKF, Viiplus, and custom OEM codes
• Selection based on rotor mass, speed, environment, and application-specific performance needs