S V Hi-Tech Bearing (India) Private Limited

Combined roller and ball slewing bearings uniquely integrate both roller and ball elements within a single bearing assembly to optimize load carrying capacity and performance. The rollers are engineered to support heavy axial loads, while the balls absorb radial loads, balancing forces effectively for enhanced durability and smooth rotation. This combined design offers high load capacity, excellent rigidity, reduced friction, longer service life, and lower maintenance requirements. These bearings are compact, easy to install, and provide a cost-efficient alternative to traditional multi-bearing setups, making them ideal for applications requiring precision and reliability in harsh environments.

Industrial Applications

• Construction: Tower cranes, concrete pumps, excavators.
• Mining: Draglines, mining shovels, drilling rigs, crushers.
• Renewable Energy: Wind turbine pitch and yaw drives, solar trackers.
• Marine & Offshore: Ship cranes, offshore platform winches, loading arms.
• Metallurgy: Ladle turrets, rolling mills, rotary kilns.
• Heavy Machinery: Tunnel boring machines, shield machines, large turntables.
• Material Handling: Stackers, reclaimers, ship loaders, conveyors.
• Agriculture: Tractors, harvesters, irrigation systems.

Brands

• SKF: Known for precision combined roller and ball slewing bearings with advanced sealing.
• ThyssenKrupp Rothe Erde: Durable combined bearings for heavy industrial use.
• Schaeffler INA/FAG: High-performance, low-maintenance slewing rings with balanced rolling elements.
• Timken: Reliable, high-capacity combined roller and ball slewing bearings.
• LYMC: Cost-effective OEM supplier of combined slewing bearing solutions.
• Indian OEMs: Custom-designed slewing bearings for diverse industrial projects.

Types

• Single-row Combined Bearings: Balanced radial and axial load support in compact design.
• Double-row Combined Bearings: Enhanced load capacity and stability.
• Sealed Combined Bearings: For applications requiring protection against contaminants.
• Custom Configurations: Adapted for specific load and dimensional requirements.

Part Numbers

• Manufacturer part numbers specify bearing type (roller and ball), size, sealing, and gearing options.
• Series examples include SKF 12xx and 13xx with combination rolling elements, INA XR series, LYMC coded OEM parts.
• Correct selection requires consulting manufacturer catalogs and application documents.

Eight point slewing bearings are advanced rotary bearings designed with eight precision ball contact points per rolling element, providing up to 80% higher load capacity compared to traditional four-point contact ball slewing bearings of the same size. This unique configuration ensures superior axial, radial, and moment load support, combined with excellent rigidity and smooth, low-friction rotation. Benefits include compact design, higher stability under heavy loads, extended service life, reduced wear, and enhanced accuracy in positioning—ideal for modern heavy machinery and precision equipment demanding durability and performance.

Industrial Applications

• Construction: Tower cranes, concrete pumps, excavators, aerial platforms
• Mining: Draglines, bucket wheel excavators, drilling rigs
• Renewable Energy: Wind turbine yaw and pitch systems, solar tracking systems
• Marine & Offshore: Ship cranes, offshore platforms, loading arms
• Metallurgy: Ladle turrets, rotary kilns, rolling mills
• Heavy Machinery: Tunnel boring machines, shield machines, large turntables
• Material Handling: Ship loaders, stackers, reclaimers, conveyors
• Machine Tools: CNC rotary tables, grinding, milling machines

Brands

• SKF: Global leader with precision-engineered eight point contact ball slewing bearings.
• Schaeffler Group (INA/FAG): High-rigidity bearings optimized for heavy-duty applications.
• ThyssenKrupp Rothe Erde: Durable, heavy-load-capacity slewing solutions.
• Kaydon: Pioneers in high-capacity eight point ball slewing rings.
• LYMC: OEM supplier offering customizable eight point slewing bearings.
• Indian OEMs: Offering tailored solutions for infrastructure, defense, and heavy machinery.

Types

• Standard Eight Point Contact Ball Slewing Bearings: Versatile for multiple load types.
• Sealed Variants: Protection against harsh environmental factors.
• Integrated Gear Slewing Bearings: Internal or external gear options for drive integration.
• Custom Designs: Tailored sizes and configurations to meet specific application needs.

Part Numbers

• Part numbering indicates bearing size, contact type, sealing, gear type if any.
• Common examples include SKF series, INA XR series, LYMC OEM codes.
• Consult manufacturer catalogs and technical data sheets for precise application matching.

Radial slewing bearings are specialized rotary bearings designed primarily to support high radial loads while allowing smooth rotational movement. Engineered with cylindrical or tapered rollers arranged radially between races, these bearings provide superior strength and stiffness suitable for heavy-duty industrial machinery. Their compact design reduces installation space and simplifies mounting. Benefits include high load-bearing capacity, low friction, long service life, easy maintenance, and the ability to withstand combined radial, axial, and moment loads. Radial slewing bearings enhance machine efficiency with reliable, precise rotation under demanding operational conditions.

Industrial Applications

• Construction: Tower cranes, boom lifts, hydraulic platforms.
• Mining: Mining drills, draglines, ore crushers.
• Renewable Energy: Wind turbine yaw and pitch drives.
• Marine: Ship cranes, marine loading arms, offshore equipment.
• Metallurgy: Rotary kilns, ladle turrets, rolling mills.
• Heavy Machinery: Tunnel boring machines, shield machines.
• Agriculture: Combine harvesters, tractors, irrigation systems.
• Transportation: Heavy vehicles, railcars, container handlers.

Brands

• SKF: Leader in manufacturing high-quality radial slewing bearings.
• Schaeffler Group (INA/FAG): Precision-engineered radial and roller slewing rings.
• ThyssenKrupp Rothe Erde: Heavy-duty radial roller slewing bearings with durability.
• Timken: Reliable radial slewing solutions for industrial applications.
• LYMC: Cost-competitive OEM supplier with rapid delivery.
• Indian OEMs: Custom radial slewing bearings for defense, construction, and renewable sectors.

Types

• Single-row Radial Roller Slewing Bearings: Designed for moderate radial loads with simplified assembly.
• Double-row Radial Roller Slewing Bearings: Handle higher radial loads with improved stability.
• Tapered Roller Radial Slewing Bearings: Support combined radial and axial loads efficiently.
• Crossed Roller Radial Slewing Bearings: Provide high rigidity and precision for robotics and machine tools.

Part Numbers

• Part numbers vary by manufacturer and include type, bore size, outer diameter, and load capacity.
• Example series: SKF 13xx radial slewing rings, INA X-series radial roller bearings, LYMC alphanumeric OEM codes.
• Selecting correct part requires consultation of manufacturer catalogs and technical data based on load, speed, and installation requirements.

Roller slewing bearings with bayonet joint are robust rotary bearings designed for applications requiring easy assembly, high load capacity, and precise rotation. Featuring rollers that evenly distribute radial and axial loads, these bearings incorporate a bayonet joint connection system for quick, secure, and reliable mounting without complex tooling. The bayonet joint enhances installation speed and simplifies maintenance while maintaining structural integrity. Benefits include high radial and axial load handling, smooth operation, easy installation/removal, reduced downtime, low friction, and extended service life—ideal for demanding industrial environments.

Industrial Applications

• Construction: Tower cranes, excavators, concrete pumps.
• Mining: Drilling rigs, draglines, mining shovels.
• Renewable Energy: Wind turbine pitch and yaw drives.
• Marine & Offshore: Ship cranes, offshore platforms, loading arms.
• Metallurgy: Rotary kilns, ladle turrets, rolling mills.
• Heavy Machinery: Tunnel boring and shield machines.
• Material Handling: Ship loaders, stackers, reclaimers.
• Agriculture: Combine harvesters, tractors, irrigation systems.

Brands

• SKF: Industry leader offering slewing bearings with bayonet joint designs.
• ThyssenKrupp Rothe Erde: High-performance slewing rings with quick-mount joints.
• Schaeffler INA/FAG: Slewing bearings optimized for rapid assembly and durability.
• Timken: Robust slewing rings featuring innovative bayonet connections.
• LYMC: Cost-effective OEMs providing easy-install roller slewing bearings.
• Indian OEMs: Customized bayonet joint slewing bearings for diverse industrial use.

Types

• Single-row Roller Slewing Bearings with Bayonet Joint: For moderate to high radial and thrust loads.
• Double-row Roller Slewing Bearings with Bayonet Joint: Suitable for heavier combined loads and greater rigidity.
• Tapered Roller Bearings with Bayonet Joint: High-load capacity with combined load support.
• Crossed Roller Slewing Bearings with Bayonet Joint: High precision and stiffness for robotic and machine tool applications.

Part Numbers

• Part numbers vary by manufacturer and indicate bearing type, joint design, diameter, and load rating.
• Examples include SKF 13xx-series with bayonet fittings, INA X-series, LYMC alphanumeric codes.
• Bolt and joint specifications per ISO standards for secure fastening.

For exact part selection, consult manufacturer catalogs and technical guides matching your load and assembly requirements.

Roller slewing bearings with bolt connection are heavy-duty rotary bearings designed to handle combined axial, radial, and moment loads with high reliability. Featuring robust rollers for load distribution, these bearings are securely mounted using high-strength bolts to ensure stable attachment under extreme operational forces. The bolt connection facilitates precise and safe mounting, simplifies installation, and ensures proper preload on the bearing assembly. Key benefits include high load capacity, strong structural integrity, ease of maintenance, longer service life, and resistance to vibration and shock loads, making them ideal for challenging industrial environments.

Industrial Applications

• Construction Industry: Tower cranes, excavators, concrete pumps.
• Mining: Draglines, mining shovels, drilling rigs.
• Renewable Energy: Wind turbines, solar tracking systems.
• Marine & Offshore: Ship cranes, offshore oil platform winches.
• Metallurgy: Ladle turrets, rotary kilns, rolling mills.
• Heavy Machinery: Tunnel boring machines, shield machines.
• Material Handling: Conveyor turntables, stackers, reclaimers.
• Agriculture: Tractors, harvesters, irrigation equipment.

Brands

• SKF: Global leader offering precision roller slewing bearings with engineered bolt connections.
• ThyssenKrupp Rothe Erde: Heavy-duty industrial slewing bearings with robust bolted attachment.
• Schaeffler INA/FAG: High-performance roller slewing rings designed for ease of mounting and durability.
• Timken: Known for reliable roller slewing bearings with safe bolt connections.
• LYMC: OEM supplier providing customized bolt-connected roller slewing rings.
• Indian OEMs: Offering cost-effective, tailor-made roller slewing bearings with bolt connections for a variety of industries.

Types

• Single-row Roller Slewing Bearings with Bolt Connection: For moderate to high radial and axial loads.
• Double-row Roller Slewing Bearings with Bolt Connection: For heavier axial and radial load capacities.
• Tapered Roller Slewing Bearings with Bolt Connection: Excellent combined radial and thrust carrying capacity.
• Crossed Roller Slewing Bearings with Bolt Connection: High rigidity and accuracy for precise positioning.

Part Numbers

• Part numbers vary by manufacturer specifying bearing type, bolt size/quality, bearing diameter, and gear option.
• Common series include SKF’s 13xx series, INA X-series, LYMC alphanumeric codes correlating with design and size.
• Bolt strength classes (ISO 898-1) and recommended tightening procedures are vital for selection and safety.

Ensure accuracy in selecting the right part by checking manufacturer catalogs, technical datasheets, and bolt connection requirements per your load and application.

Segmented slewing bearings with hardened insertion plates are modular rotary bearings designed for large-diameter, heavy-load applications where traditional one-piece bearings are impractical to handle or install. These bearings consist of segmented rings with insertion plates that are induction-hardened, offering enhanced surface hardness, wear resistance, and durability. The hardened plates reduce friction and extend bearing life by protecting critical raceway areas from wear and deformation. The segmented design facilitates easier transport, flexible on-site assembly, and customizable sizing for oversized equipment. These bearings provide high load capacity, improved corrosion resistance, low maintenance, and optimal stiffness, making them ideal for demanding industrial machinery.

Industrial Applications

• Construction: Tower cranes, hydraulic platforms, large excavators.
• Mining: Draglines, mining shovels, drilling equipment, crushers.
• Renewable Energy: Wind turbine pitch and yaw systems, solar trackers.
• Marine & Offshore: Offshore cranes, FPSOs, loading arms, ship loaders.
• Metallurgy: Ladle turrets, rotary cement kilns, rolling mills.
• Heavy Machinery: Tunnel boring machines, large rotary platforms, shield machines.
• Oil & Gas: Oil rigs, floating production storage and offloading units (FPSOs).

Brands

• Liebherr: Pioneers in segmented slewing bearings with advanced hardened plates.
• ThyssenKrupp Rothe Erde: Heavy-duty segmented slewing systems with high precision.
• SKF: Modular slewing bearings with hardened raceways and corrosion protection.
• Schaeffler INA/FAG: Tailored segmented slewing bearings for large industrial projects.
• Indian OEMs: Providing cost-effective customized segmented slewing rings for infrastructure and defense.

Types

• Segmented Ball Slewing Bearings: Efficient load handling with modular assembly.
• Segmented Roller Slewing Bearings: Superior load capacity with hardened plates.
• Hybrid Segmented Bearings: Combination of ball and roller elements for specialized needs.
• Custom Segmented Assemblies: Tailored to project-specific diameters and load requirements.

Part Numbers

• Coding based on bearing type (ball, roller, hybrid), segment size, total diameter, and hardened plate treatment.
• Manufacturer-specific series such as Liebherr segmented series, SKF modular codes, and customized OEM part numbers.
• Gear configuration indicated if applicable (internal, external, or none).

Consult technical datasheets or engineering catalogs to ensure proper specification for your application.

Segmented slewing bearings with induction hardened raceways are high-precision, modular rotary bearings designed for applications where large diameter or complex structures prevent the use of one-piece bearings. Manufactured in segments, these bearings offer easier transportation, installation flexibility, and efficient on-site assembly. Induction hardened raceways provide superior surface hardness, reducing wear and extending service life, while enhancing load capacity and reducing maintenance. These bearings deliver high load-carrying capacity, improved durability, corrosion resistance, and optimal stiffness for heavy-duty and large-scale rotating equipment.

Industrial Applications

• Construction: Tower cranes, large excavators, hydraulic platforms.
• Mining: Draglines, shovels, drilling rigs, crushers.
• Renewable Energy: Large wind turbine pitch and yaw systems, solar power trackers.
• Marine & Offshore: Offshore cranes, FPSO units, ship loaders, platform winches.
• Metallurgy: Ladle turrets, rotary furnaces, rolling mills.
• Heavy Machinery: Tunnel boring machines, shield machines, large rotating platforms.
• Oil & Gas: Floating production storage and offloading units (FPSOs), oil platform slewing systems.

Brands

• Liebherr: Industry leaders in segmented slewing bearings with advanced induction hardening.
• ThyssenKrupp Rothe Erde: Renowned for segmented slewing systems supporting highest load demands.
• SKF: Provider of modular slewing bearings with hardened raceways and corrosion protection.
• Schaeffler INA/FAG: Precision segmented bearings with tailored configurations.
• Local Indian OEMs: Emerging suppliers offering customized segmented slewing solutions for large machinery and infrastructure.

Types

• Segmented Ball Slewing Bearings: Efficient load handling with modular design.
• Segmented Roller Slewing Bearings: High load capacity and durability.
• Hybrid Segmented Bearings: Combining ball and roller elements for specialized needs.
• Custom Segmented Assemblies: Designed for specific project sizes and load scenarios.

Part Numbers

Part numbers typically reflect:

• Bearing type (ball, roller, hybrid).
• Segment size and total diameter.
• Induction hardening treatment.
• Manufacturer series (e.g., Liebherr segmented series, SKF modular codes).
• Gear configuration, if applicable (internal, external, none).

Consult manufacturer catalogs and engineering guides to ensure matching specifications for your application.

Single row four point slewing bearings with external gear are precision bearings designed to support combined axial, radial, and moment loads in a compact and efficient configuration. Featuring four-point contact ball bearing design, these slewing rings provide excellent load distribution, smooth rotation, and high rigidity. The external gear integration allows easy, direct drive connection with pinions or motors, enabling efficient power transmission and simplified maintenance. Key benefits include high load capacity, durable construction, reduced friction, easy installation, and long service life, making these bearings well-suited for heavy-duty and precise industrial operations.

Industrial Applications

• Construction: Tower cranes, concrete pumps, excavators.
• Metallurgy: Ladle turrets, rotary furnaces, rolling mills.
• Material Handling: Port cranes, stackers, ship loaders.
• Renewable Energy: Wind turbine yaw and pitch systems, solar trackers.
• Mining: Draglines, bucket wheel excavators, drilling rigs.
• Machine Tools: CNC rotary tables, grinding, milling machines.
• Automation: Robotics, packaging, palletizing systems.
• Amusement Rides: Ferris wheels, turntables.

Brands

• SKF: Renowned for durable and precision-engineered four point slewing bearings with external gears.
• Schaeffler Group (INA/FAG): Slewing rings optimized for heavy load and precision applications.
• ThyssenKrupp Rothe Erde: Heavy-duty slewing bearing systems with advanced gearing solutions.
• Timken: Reliable slewing rings designed for long service life.
• LYMC: OEM supplier offering customized bearing solutions.
• Indian OEMs: Tailored single row four point slewing bearings with external gear for various industries.

Types

• Standard Single Row Four Point Contact Ball Slewing Bearings with External Gear: Suitable for general heavy-duty use.
• Sealed Variants: Enhanced protection against moisture and dust.
• High Precision Bearings: For robotics and machine tools needing exact positioning.
• Custom Gear Module Designs: Adapted gear teeth for specific drives and load profiles.

Part Numbers

• Part numbers typically include bearing size, gear type, row configuration, and sealing options.
• Example series: SKF 13xx, INA XR series, LYMC codes for customized OEM parts.
• Proper selection requires reviewing detailed catalogs and application requirements.

Single row four point slewing bearings with internal gear are precision rotary bearings designed to handle combined axial, radial, and moment loads efficiently. Their design features balls that contact the raceways at four points, providing excellent load distribution and rigidity in a compact structure. The incorporation of internal gearing on the inner ring allows for smooth power transmission and easy integration with pinions or motors. Benefits include high load capacity, space-saving compact design, smooth rotation, wear resistance, low maintenance, and enhanced durability, making these bearings ideal for a wide range of industrial applications.

Industrial Applications

• Construction: Tower cranes, boom lifts, concrete pumps.
• Metallurgy: Ladle turrets, rotary furnaces, rolling mills.
• Material Handling: Port cranes, stackers, ship loaders.
• Renewable Energy: Wind turbine yaw and pitch systems, solar trackers.
• Mining: Bucket wheel excavators, draglines, drilling rigs.
• Machine Tools: CNC rotary tables, grinding machines, milling machines.
• Automated Systems: Robotics, packaging, palletizing equipment.
• Amusement Rides: Ferris wheels, turntables.

Brands

• SKF: Renowned for durable and precision-engineered four point slewing bearings with internal gears.
• Schaeffler (INA/FAG): High-performance bearings optimized for heavy load and precision applications.
• ThyssenKrupp Rothe Erde: Heavy-duty slewing bearing systems with advanced gear technology.
• Timken: Robust slewing rings designed for long service life in demanding environments.
• LYMC: Cost-effective OEM supplier with customizable bearing solutions.
• Indian OEMs: Providing tailored internal gear four point contact slewing bearings for diverse industries.

Types

• Standard Single Row Four Point Contact Ball Slewing Bearings: For general heavy-duty applications.
• Sealed Variants: Enhanced protection against dust and moisture.
• High Precision Bearings: For robotics and machine tools requiring accurate positioning.
• Custom Gear Module Designs: Adapted gear teeth for specific drive systems and load profiles.

Part Numbers

• Part numbers typically indicate bearing size, internal gear specifications, row type, and sealing.
• Examples: SKF series numbers like 13xx, INA XR series with internal gears, LYMC OEM coding.
• Selecting suitable parts requires thorough catalog consultation and technical evaluation.

Slewing bearings with special seals are precision-engineered rotary bearings designed to withstand harsh and challenging environments while supporting heavy axial, radial, and moment loads. The unique sealing systems protect the internal raceways and rolling elements against contaminants such as dust, moisture, and corrosive agents, extending bearing life and ensuring smooth, reliable rotation. These bearings combine high load capacity, corrosion resistance, enhanced durability, and low maintenance, making them perfect for applications in extreme conditions. Special seals also help retain lubrication, reduce wear, and prevent ingress of debris, contributing to longer operational intervals and improved safety.

Industrial Applications

• Construction: Cranes, excavators, hydraulic platforms, concrete pumps.
• Wind Energy: Turbine pitch and yaw systems, solar trackers.
• Mining: Drilling rigs, mining shovels, draglines.
• Marine & Offshore: Ship cranes, winches, offshore oil rigs, loading arms.
• Metallurgy: Ladle turrets, rotary furnaces, rolling mills.
• Material Handling: Stackers, reclaimers, ship loaders, conveyor systems.
• Defense & Aerospace: Radar antennas, satellite tracking, missile launchers, turret systems.
• Industrial Automation: Robotics, packaging machines, rotary indexing tables.
• Agriculture: Tractors, harvesters, irrigation systems.

Brands

• SKF: Advanced seal combinations for optimized bearing protection.
• Schaeffler INA/FAG: Slewing bearings with high-performing special seals.
• ThyssenKrupp Rothe Erde: Heavy-duty slewing bearings with corrosion-resistant seals.
• Timken: Reliable sealing solutions for harsh industrial environments.
• LYMC: Cost-effective sealed slewing bearings with proven durability.
• Indian OEMs: Customized sealed slewing bearings tailored for local industries.

Types

• Sealed Ball Slewing Bearings: Combine balls with special seals for smooth rotational movement.
• Sealed Roller Slewing Bearings: Use rollers for high load capacity paired with advanced seals.
• Crossed Roller Bearings with Special Seals: High rigidity and precise movement for sensitive applications.
• Custom Seal Configurations: Designed to meet rigorous specs for marine, defense, or cleanroom conditions.

Part Numbers

Part numbers usually specify:

• Bearing type (ball, roller, cross roller).
• Seal configuration and material.
• Diameter and thickness.
• Manufacturer-specific series codes (e.g., SKF 13xx, INA XR series, LYMC alphanumeric coding).

Consulting manufacturer catalogs or technical datasheets is advised to choose the right bearing for your application and environmental requirements.

Tapered roller slewing bearings are robust rotary bearings designed to support high radial and axial loads simultaneously with exceptional precision and rigidity. Their conical rollers and raceways distribute loads evenly, reducing stress and extending service life. These bearings offer high load capacity, low friction, durability, and ease of mounting, making them ideal for demanding mechanical applications. The tapered design also improves stiffness and operational stability while minimizing wear and vibration. These bearings excel in applications requiring combined radial and thrust load support, with benefits like increased load-carrying capacity, longer service life, reduced maintenance, and enhanced machine efficiency.

Industrial Applications

• Construction Industry: Tower cranes, hydraulic excavators, road rollers, concrete mixers.
• Mining & Heavy Equipment: Draglines, mining shovels, drilling rigs, crushers.
• Metallurgy: Ladle turrets, rotary furnaces, rolling mills.
• Renewable Energy: Wind turbine pitch and yaw systems, solar trackers.
• Marine & Offshore: Shipyard cranes, offshore platform hoists, winches.
• Machine Tools: Large CNC rotary tables, grinding machines, milling machines.
• Agriculture: Tractors, harvesters, heavy farm machinery.
• Transport Vehicles: Rail cars, heavy trucks, construction transporters.

Brands

• SKF: Leading global provider known for durability and precision.
• Schaeffler Group (INA/FAG): High-quality slewing bearings including X-life series.
• ThyssenKrupp Rothe Erde: Heavy-load slewing rings with optimized design.
• Timken: Slewing bearing solutions with high performance and reliability.
• LYMC: Competitive OEM supplier offering large size slewing rings.
• Indian Manufacturers: Offering tailored solutions for defense, construction, and renewable sectors.

Types

• Single-row tapered roller slewing bearings: Suitable for moderate loads and compact spaces.
• Double-row tapered roller slewing bearings: Handle axial loads in both directions and high radial loads.
• Custom large diameter tapered roller slewing bearings: For heavy-duty applications with unique dimensions.

Part Numbers

Typical part number schemes vary by brand but often indicate:

• Bearing type (e.g., single or double-row).
• Bore and outer diameter in mm.
• Gear type (internal/external/no gear).
• Specific series codes such as SKF’s 13xx, INA’s X-life series, or LYMC’s alphanumeric codes for size and configuration.

For precise selection, consulting catalog datasheets or CAD models is recommended.

Triple-row roller slewing bearings are heavy-duty rotary bearings engineered for extremely high axial, radial, and tilting moment loads simultaneously. Featuring three rows of cylindrical rollers—two carrying axial loads and one carrying radial loads—these bearings offer superior load capacity, rigidity, and durability. Their compact design fits large machinery where strength and smooth rotation are critical.

Benefits

• Exceptional axial, radial, and moment load capacity for heavy machinery.

• High stiffness with minimal deformation under heavy loads.

• Compact footprint to optimize installation space.

• Available with internal gear, external gear, or gearless options.

• Long service life with superior wear resistance.

• Suitable for fixed and mobile heavy equipment applications.

Applications

• Tower cranes, crawler cranes, and mobile cranes.

• Excavators, mining machinery, and drilling rigs.

• Metallurgical ladle turrets and rotary furnaces.

• Offshore platforms, ship loaders, and port cranes.

• Wind turbines and renewable energy systems.

• Tunnel boring and shield machines.

• Radar antennas and satellite communication systems.

• Heavy-duty machine tools and rotary indexing tables.

Industries

• Construction and heavy machinery manufacturing.

• Mining and mineral processing.

• Steel production and metallurgical plants.

• Renewable energy (wind, solar).

• Oil & gas and offshore engineering.

• Defense and aerospace sectors.

• Ports, shipbuilding, and marine logistics.

Brands

• SKF: Durable, reliable slewing solutions worldwide.

• Schaeffler Group (INA/FAG): Precision heavy load slewing rings.

• Franke Bearings: Modular and customizable slewing rings.

• THB Slewing: Quality steel and nylon cage bearings.

• LYMC: Heavy-duty, quick-delivery slewing rings from China.

• Indian OEMs: Customized triple-row roller slewing bearings for defense and industry.

Types

• Gearless triple-row roller bearings (require external drives).

• Internal gear triple-row roller bearings with built-in gearing.

• External gear triple-row roller bearings for pinion drives.

• Sealed and custom variants for harsh environments.

Part Number Series

Common part number series for triple-row roller slewing bearings across brands include:

• SKF: Series starting with 13… or designed codes indicating diameter and gear type.

• THB: Codes like 230... for internal gear and 131... for external gear variants.

• Franke Bearings: Series such as TRB, TRRC representing triple-row configurations.

• LYMC: Alphanumeric codes combining row type, bore diameter, and gear type (e.g., 3R30-E-1000).

• Schaeffler INA: XR series adapted for heavy load triple-row slewing rings.

Wire race roller slewing bearings are high-precision rotary bearings designed for lightweight construction, precise rotation, and high load capacity. Their modular design integrates hardened steel wire raceways into aluminum or custom housings, reducing weight by up to 60% compared to traditional slewing rings. These bearings handle axial, radial, and overturning moments with smooth rotation, high rigidity, low friction, and long service life. They are ideal for demanding applications such as robotics, medical equipment, aerospace, defense, CNC rotary tables, automation, and renewable energy, and are customizable for marine, cleanroom, and defense-grade environments.

Industrial Applications

• Medical Technology: CT/MRI scanners, surgical robots, patient tables.
• Defense & Military: Turrets, radar antennas, periscope bearings, active protection systems.
• Aerospace: Satellite mounts, UAV systems, aviation components.
• Robotics & Automation: Robotic arms, manipulators, AGVs, automated production lines.
• Optics & Instrumentation: Camera cranes, gimbals, rotary stages.
• Renewable Energy: Solar trackers, wind turbines.
• Industrial Machinery: Packaging machines, conveyors, textile equipment, indexing tables.
• Marine: Radar and communication systems on ships, corrosion-resistant applications.

Brands

• Franke Bearings (Germany): Leaders in wire race bearing technology.
• Schaeffler INA/FAG (Germany): Precision bearings for aerospace and robotics.
• SKF (Sweden): Heavy-duty wire race slewing bearings for automation.
• IKO (Japan): Compact cross-roller designs for robotics.
• Indian OEMs: Cost-effective slewing bearings for defense, renewable energy, and automation.

Types

• Cross Roller Wire Race Bearings for high rigidity and load capacity.
• Four-Point Contact Bearings balancing axial and radial loads.
• Axial-Radial Roller Bearings for CNC rotary applications.
• Thin Section Bearings optimized for aerospace and medical.
• Custom Wire Race Assemblies for OEM-specific needs.

Part Numbers

• Franke: LVA, LVG, LEW, LVD series.
• INA/Schaeffler: XR and XSU series.
• SKF: Custom-coded slewing solutions.
• IKO: CRB series cross-roller bearings.
• Indian OEMs: Tailored to project specs.

Slewing gear rings are robust, precision-engineered rotary components designed to enable smooth and controlled rotational movement of large structures under heavy loads. Featuring integrated gear teeth machined on the inner or outer ring, they transmit torque efficiently between mating components, offering reliable power transmission and high load capacity. These rings support combined axial, radial, and tilting loads and are built for durability with features including optimized stiffness, low friction, long service life, and reduced maintenance. The gear integration reduces system complexity and cost by combining bearing and gear functions in one unit. Their lightweight and compact designs also help improve overall machine efficiency.

Industrial Applications

• Construction: Cranes, excavators, hydraulic lifts, and concrete mixers.
• Mining: Draglines, drilling rigs, crushers, and mining shovels.
• Metallurgy: Ladle turrets, rotary furnaces, continuous casting machines.
• Renewable Energy: Wind turbine yaw and pitch drives, solar tracking systems.
• Marine & Offshore: Ship cranes, winches, offshore platforms, and loading arms.
• Machine Tools: CNC rotary tables, grinding wheels, punch presses.
• Agriculture: Combine harvesters, tractors, irrigation systems.
• Transportation: Heavy trucks, trailers, rail cars, and container handlers.

Brands

• SKF: World-renowned for quality and innovation in slewing gear rings.
• Schaeffler Group (INA/FAG): Precision and performance-focused rings with X-life technology.
• ThyssenKrupp Rothe Erde: Heavy-duty slewing gears optimized for industrial use.
• Timken: Durable slewing rings with integrated gear teeth.
• LYMC: Cost-effective OEM solutions with rapid delivery.
• Indian OEMs: Customized slewing gear rings serving defense, construction, and renewable energy sectors.

Types

• Internal Gear Slewing Rings: Teeth on the inner diameter for compact drive systems.
• External Gear Slewing Rings: Teeth on the outer diameter, allowing easy pinion engagement.
• Gearless Slewing Rings: Bearing rings without integrated gear teeth, designed for external gear drives or direct coupling.
• Custom Gear Configurations: Machined to customer specs, including dual gearing and specific tooth profiles.

Part Numbers

Part numbers usually indicate:

• Type (internal/external/gearless).
• Diameter and thickness.
• Gear module and number of teeth.
• Manufacturer series codes (e.g., SKF 13xx series, INA XR series, LYMC alphanumeric codes).

Selecting the correct part requires consulting detailed manufacturer catalogs or CAD drawings based on load, speed, and installation requirements.

Double row four point ball slewing bearings feature a unique design with two rows of balls of different diameters arranged in specially designed raceways that enable them to support high axial loads, radial loads, and tilting moments simultaneously. This design maximizes load distribution and stability, making the bearings highly durable and reliable under complex loading conditions. Benefits include greater load capacity than single-row designs in the same footprint, enhanced rotary stability, lower maintenance requirements, ease of installation, and a longer service life, making them ideal for heavy-duty industrial and construction equipment.

Industrial Applications

• Construction: Tower cranes, aerial platforms, truck-mounted cranes.
• Mining: Draglines, excavators, bucket wheel excavators, drilling rigs.
• Renewable Energy: Wind turbine yaw and pitch mechanisms.
• Marine & Offshore: Port cranes, ship loaders/unloaders, offshore platforms.
• Metallurgy: Ladle turrets, rolling mills, rotary kilns.
• Heavy Equipment: Tunnel boring machines, shield tunneling machines.
• Material Handling: Stackers, reclaimers, conveyor systems.
• Amusement Equipment: Ferris wheels, revolving platforms.

Brands

• SKF: Worldwide leader manufacturing robust double-row four point ball slewing bearings.
• Schaeffler INA/FAG: Precision-engineered slewing rings optimized for high load and accuracy.
• ThyssenKrupp Rothe Erde: Heavy-duty slewing bearing specialist supporting critical industries.
• Kaydon: Known for reliable and efficient slewing bearings.
• LYMC: Competitive OEM supplying custom slewing bearings.
• Indian OEMs: Local manufacturers providing tailored, cost-effective solutions.

Types

• Standard Double Row Four Point Contact Ball Bearings: General heavy-duty applications.
• Sealed Variants: Enhanced protection for harsh environments.
• Integrated Gear Bearing Variants: With internal or external gearing options.
• Custom Bearings: Tailored for specific industrial load and dimension requirements.

Part Numbers

• Part numbers reflect bearing size, ball diameter configuration, sealing, and gearing type.
• Examples include SKF 09xxx and 13xxx series, INA XR and XSU series, LYMC coded parts.
• Proper selection requires consulting detailed manufacturer catalogs or CAD data.

Crossed cylindrical roller slewing bearings consist of single rows of rollers arranged at 90 degrees to each other, enabling them to handle combined radial, axial, and moment loads with high stiffness and precision. The line contact of rollers on the raceways minimizes deformation and wear, ensuring smooth rotation, enhanced load capacity, and long service life. These bearings are compact, easy to install, and provide excellent rotational accuracy and rigidity making them ideal for high-precision and heavy-duty industrial applications.

Industrial Applications

• Construction: Tower cranes, excavators, concrete pumps
• Mining: Draglines, mining shovels, drilling rigs
• Automation & Robotics: Industrial robot joints, CNC rotary tables
• Renewable Energy: Wind turbines yaw and pitch systems
• Marine & Offshore: Marine cranes, offshore platforms, ship loaders
• Metallurgy: Ladle turrets, rotary kilns, rolling mills
• Machine Tools: Grinding, milling, rotary indexing machines
• Medical & Precision Instruments: Medical imaging devices, metrology equipment

Brands

• SKF: Precision-engineered crossed cylindrical roller slewing bearings
• Schaeffler Group (INA/FAG): High-rigidity heavy-load slewing rings
• ThyssenKrupp Rothe Erde: Heavy-duty roller slewing components
• Timken: Robust slewing rings for industrial use
• LYMC: Economical OEM supplier for diverse industries
• Indian OEMs: Customized solutions for defense, construction, and automation

Types

• Single-row Crossed Cylindrical Roller Slewing Bearings: High load and precision capacity
• Sealed Versions: Protection against contaminants in harsh environments
• Crossed Roller Bearings with Gear: Integrated gearing for rotary tables and drives
• Custom Bearings: Tailored to specific machinery and applications

Part Numbers

• Part numbers signify type, size, sealing, and gear options.
• Examples: SKF 13xx series, INA XR series, LYMC coded part numbers
• Consult manufacturer catalogs for application-specific selections