S V Hi-Tech Bearing (India) Private Limited

Nilos Rings are precision-engineered all-metal seals designed to protect ball and roller bearings from contamination caused by dirt, dust, debris, and abrasive particles. These robust labyrinth seals create an effective barrier around bearings, preventing harmful contaminants from entering the critical bearing components and extending bearing life. Manufactured primarily from galvanized steel, stainless steel, or brass, Nilos Rings offer exceptional durability, corrosion resistance, and performance even in extreme environments. Their compact design allows easy installation without modifying existing bearing housings.

Key Benefits:

• Provides superior protection against abrasive contaminants
• Extends bearing uptime by preventing premature failure and wear
• All-metal construction for high durability and resistance to harsh conditions
• Non-contact labyrinth sealing reduces friction and heat generation
• Minimizes maintenance and replacement costs with extended service life
• Easily retrofitted to existing bearing arrangements without extensive modifications

Industrial Applications

• Mining and Quarrying: Conveyor pulleys, crushers, and heavy machinery
• Construction Equipment: Earthmovers, loaders, off-road vehicles
• Agriculture: Harvesters, tractors, forestry equipment
• Automotive: Wheel hubs, transmission bearings
• Paper and Woodworking: Rollers and pulleys in processing plants
• Marine Industry: Pumps and motors in salty or corrosive environments
• Heavy Industrial Equipment: Rotary kilns, steel mills, cement plants
• Food Processing: Stainless steel variants for hygienic applications

Brands

• SKF Nilos Rings
• Ziller GmbH & Co. (Original NILOS manufacturer)
• INA/FAG Nilos Ring Seals
• NSK Metal Seals
• Timken Metal Bearing Seals
• Custom Indian OEM manufacturers

Types

• Standard Nilos Rings (Galvanized Steel)
• Stainless Steel Nilos Rings for Corrosive Environments
• Brass Nilos Rings for Marine and Saltwater Applications
• LSTO Non-Contact Nilos Rings for High-Speed Bearings
• JV Series Nilos Rings for High-Speed Applications
• Customized Profiled Nilos Rings

Part Numbers

• SKF Standard Nilos Ring series (AV, JV, LSTO types)
• INA/FAG catalog numbers for metal sealing rings
• NSK Metal Ring Seal series
• Timken Metal Labyrinth Seals
• OEM and Custom Part Numbers according to bearing dimensions

Back Up Rings are rigid, supportive rings designed to reinforce elastomeric seals such as O-rings in high-pressure applications. They prevent extrusion of the softer sealing materials into gaps and clearances under pressure, protecting the seal from damage and ensuring system integrity. Typically made from materials like PTFE, filled PTFE, nylon, or PEEK, back up rings provide excellent wear resistance, chemical stability, and can withstand extreme temperatures. Their use significantly enhances the durability of sealing systems, reduces maintenance frequency, and extends service life.

Key Benefits:

• Prevents seal extrusion under high pressure, maintaining seal effectiveness
• Supports softer seals in dynamic and static applications
• Made from durable, chemical-resistant materials suitable for harsh environments
• Resistant to high temperatures and pressures
• Available in solid, split, and spiral designs for easy installation
• Enhances system reliability and reduces costly downtime

Industrial Applications

• Hydraulic Cylinders: Heavy machinery, construction equipment
• Pneumatic Systems: Industrial automation and packaging machinery
• Oil & Gas Industry: High-pressure sealing in valves and pumps
• Automotive: Transmission and engine seals
• Aerospace: Hydraulic and fuel system seals
• Manufacturing: Presses, conveyors, and machine tools
• Chemical Processing: Corrosion-resistant sealing components
• Power Generation: Turbine seals and boiler equipment

Brands

• SKF Back Up Rings
• Parker Hannifin Back Up Rings
• Trelleborg Back Up Rings
• Garlock Back Up Rings
• Freudenberg Back Up Rings
• Custom OEM Back Up Rings

Types

• Solid (Uncut) Back Up Rings
• Scarf-Cut (Split) Back Up Rings
• Spiral Wound Back Up Rings
• Rectangular, Concave, and Contoured Profiles
• Thermoplastic (PTFE, PEEK) Back Up Rings
• Filled and Reinforced Back Up Rings

Part Numbers

• SKF standard back up ring series (per AS568 and ISO 3601)
• Parker Viton and PTFE back up ring codes
• Trelleborg back up rings for hydraulic systems
• Garlock catalog part numbers for various sizes and profiles
• Freudenberg special-use back up ring series
• OEM customized part numbers for special materials and sizes

Flanged Rings, also known as ring type joint flanges (RTJ), are precision-engineered mechanical components designed to provide a secure, leak-proof connection in piping systems and mechanical assemblies. These rings feature a raised or grooved flange that serves as a sealing surface for heavy-duty applications requiring high pressure and temperature resistance. Made from durable materials such as carbon steel, stainless steel, and alloy steel, flanged rings deliver exceptional mechanical strength, corrosion resistance, and reliable sealing performance. Their design ensures excellent load distribution, minimizes leakage risks, and allows for repeated assembly and disassembly without compromising the seal.

Key Benefits:

• Provides a secure, leak-proof seal for high-pressure and high-temperature systems
• Durable construction resistant to corrosion, wear, and mechanical stress
• Allows easy maintenance and reusability without loss of sealing integrity
• Designed to handle extreme pressure fluctuations and temperature variations
• Compatible with various piping and mechanical system standards for versatility
• Precise dimensions ensure tight fit and optimal sealing performance

Industrial Applications

• Oil and Gas: Pipelines, drilling rigs, and refinery systems
• Chemical Processing: Corrosive and high temperature fluid transfer
• Power Generation: Steam boilers, turbine piping, and heat exchangers
• Water Treatment: High-pressure fluid systems and pipeline maintenance
• Petrochemical Industry: Processing units requiring leak-tight flange connections
• Shipbuilding and Marine: Corrosion-resistant piping and fluid systems
• Automotive Industry: Heavy machinery hydraulic and cooling systems
• Manufacturing and Heavy Equipment: High-pressure fluid and gas conduits

Brands

• SKF Flanged Rings and RTJ Flanges
• Ganpat Industrial Flanges and Rings
• Tesco Steel & Engineering Flanged Rings
• AZIN Forge RTJ Flanges
• Indian OEM Flanged Rings and RTJ Flanges

Types

• Oval Flanged Rings
• Octagonal Flanged Rings
• Weld Neck RTJ Flanges with Flanged Rings
• Slip-On RTJ Flanges with Flanged Rings
• Blind Flanges with Ring Type Joint
• Custom Size and Material Flanged Rings

Part Numbers

• SKF Standard RTJ Series (ANSI/ASME compliant)
• Ganpat Industrial RTJ Flange and Ring Catalog Numbers
• Tesco Steel Flanged Rings by size and pressure rating
• AZIN Forge Custom RTJ Flanges and Rings
• OEM Part Numbers for specialty and custom orders

Guide Rings, also known as wear rings or guide strips, are critical components used to support and guide pistons and rods in hydraulic and pneumatic cylinders. They absorb radial forces and prevent metal-to-metal contact between moving parts, effectively reducing wear on seals and cylinders. Made from advanced materials such as high-performance plastics (e.g., iglidur®), PTFE composites, or metal alloys, guide rings enhance the service life of machinery by minimizing friction and preventing damage through precise guidance. Maintenance-free options with built-in lubricants ensure smooth operation and reduce downtime.

Key Benefits:

• Protect pistons and rods from wear and metal-to-metal contact
• Minimize friction and heat generation, improving system efficiency
• Absorb radial and lateral forces to maintain alignment
• Resist chemicals, moisture, and extreme temperatures for durability
• Maintenance-free variants contain solid lubricants reducing need for additional lubrication
• Customizable sizes and materials for various industrial requirements

Industrial Applications

• Hydraulic Cylinders: Heavy machinery, construction equipment
• Pneumatic Cylinders: Automation systems, packaging machinery
• Agricultural Machinery: Harvesters, tractors
• Automotive Production: Robotic arms, assembly line equipment
• Aerospace: Actuation systems, landing gear
• Marine Industry: Steering and control systems
• Oil & Gas: Drilling equipment, valve actuators
• Manufacturing: Presses, conveyors, machine tools

Brands

• igus Guide Rings
• SKF Guide Rings
• FAG/INA Guide Rings
• Timken Guide Rings
• NTN Guide Rings
• Custom OEM Guide Rings

Types

• Polymer Composite Guide Rings (e.g., iglidur, PTFE blends)
• Metal Guide Rings (bronze, steel alloys)
• Split Guide Rings for easy installation
• Full Circumference Solid Guide Rings
• Wear-Resistant Coated Guide Rings
• Self-Lubricating Guide Rings

Part Numbers

• igus IG Series (customizable sizes)
• SKF GR Series
• FAG/INA Guide Ring Catalog References
• Timken Standard Guide Ring Numbers
• NTN Wear Ring Series
• OEM and tailored guide ring part numbers

Lock Rings are critical mechanical fastening components designed to securely hold parts on shafts or inside housings by fitting into grooves or locking positions. They provide a reliable locking mechanism to prevent axial movement or loosening due to vibrations, shocks, or rotational forces. Manufactured from tough materials like carbon steel, stainless steel, and alloys, lock rings offer superior durability, corrosion resistance, and strength, making them ideal for demanding industrial environments. Advanced designs include self-locking features that improve retention at high speeds and under dynamic conditions.

Key Benefits:

• Secure axial retention of components on shafts and in bores
• Prevent loosening caused by vibration and rotational forces
• High-strength materials offer wear resistance and corrosion protection
• Self-locking designs enhance reliability in high-speed applications
• Easy to install and remove, reducing assembly and maintenance time
• Available in various thicknesses and diameters for versatile usage

Industrial Applications

• Automotive: Transmissions, wheel assemblies, engine components
• Aerospace: Aircraft landing gear, engine mounts, control systems
• Heavy Machinery: Construction equipment, crushers, conveyors
• Electrical Equipment: Motors, generators, switches
• Oil & Gas: Pumps, valves, drilling equipment
• Industrial Automation: Robotics, conveyors, assembly lines
• Consumer Electronics: Printers, disk drives, household appliances
• Marine: Steering gear, propeller assemblies

Brands

• Smalley Lock Rings
• Rotor Clip Lock Rings
• HAGENS Locking Rings
• SKF Lock Rings
• Timken Lock Rings
• Indian OEM Custom Lock Rings

Types

• External Lock Rings (mount on shafts)
• Internal Lock Rings (fit inside bores)
• Self-Locking Lock Rings with tabs or slots
• Push-On Lock Rings without grooves
• Spiral Lock Rings
• E-Clips and Snap Rings

Part Numbers

• Smalley Spirolox Series (single, 2-turn, 3-turn rings)
• Rotor Clip SR, E, C Series
• HAGENS Standard and Customized Lock Rings
• SKF Internal and External Lock Ring Series
• Timken Lock Ring Catalog Numbers
• OEM Custom Lock Ring References

O Rings are versatile, circular elastomeric seals designed with a round cross-section to fit into grooves and create tight seals between mating surfaces. They prevent the leakage of liquids and gases in both static and dynamic applications by forming a reliable barrier under compression. Manufactured from a broad range of materials such as nitrile rubber (NBR), fluorocarbon (Viton), silicone, EPDM, and PTFE, O Rings are known for their durability, chemical resistance, and ability to withstand extreme temperatures and pressures. Their simple design, cost-effectiveness, and ease of installation make them indispensable in industrial sealing solutions.

Key Benefits:

• Provides reliable sealing in static and dynamic environments
• Resists a wide range of chemicals, oils, and gases
• Maintains integrity under extreme temperatures and pressures
• Easy to install and replace for quick maintenance
• Cost-effective sealing solution with long service life
• Wide range of materials and sizes available for various needs

Industrial Applications

• Automotive Industry: Fuel injection systems, brake components, cooling systems
• Aerospace: Hydraulic systems, fuel seals, engine components
• Oil & Gas: Pipeline seals, valve seals, drilling equipment
• Chemical Processing: Corrosion-resistant sealing in pumps and reactors
• Food & Beverage: Sanitary seals for processing and packaging machinery
• Pharmaceutical: Sterile seals in medical devices and equipment
• Water Treatment: Sealing valves and pumps in filtration systems
• Manufacturing: Hydraulic and pneumatic cylinders, compressors

Brands

• SKF O Rings
• Parker Hannifin (Viton O Rings)
• Trelleborg O Rings
• Garlock O Rings
• Freudenberg O Rings
• Indian OEM Specialized O Rings

Types

• Nitrile (NBR) O Rings
• Fluorocarbon (Viton) O Rings
• Silicone O Rings
• EPDM O Rings
• PTFE O Rings
• FDA-approved Food Grade O Rings
• High Temperature and High Pressure O Rings
• Specialty Composite Material O Rings

Part Numbers

• SKF Standard O Ring Series (metric and inch sizes)
• Parker Viton Series O Rings (various hardness levels)
• Trelleborg O Rings by material and dimension
• Garlock FDA Food Grade O Ring Catalog Numbers
• Freudenberg High Performance O Rings
• Custom OEM Part Numbers based on material and size

Retaining Rings, also known as circlips or snap rings, are essential fasteners that securely hold components on a shaft or inside a housing/bore by fitting into precision-machined grooves. They create a shoulder to prevent axial movement of bearings, gears, pulleys, and other assemblies, providing a simple yet cost-effective solution to traditional fastening methods. Made from durable materials like carbon steel, stainless steel, and specialized alloys, retaining rings offer high strength, corrosion resistance, and reliability under diverse operating conditions. Their compact design saves space while simplifying assembly and maintenance.

Key Benefits:

• Secures components axially to prevent unwanted movement or disassembly
• Compact and lightweight, ideal for tight spaces and high precision assemblies
• Cost-effective alternative to bolts, nuts, and complex fasteners
• Made from robust materials for high load capacity and corrosion resistance
• Quick and easy installation and removal saves assembly and maintenance time
• Available in a wide range of sizes and types to meet varied industrial needs

Industrial Applications

• Automotive Industry: Gearboxes, transmissions, brake assemblies, steering components
• Aerospace Industry: Aircraft engines, landing gear, avionics assemblies
• Medical Devices: Surgical instruments, imaging equipment, precision assemblies
• Oil & Gas Industry: Ball valves, gate valves, drilling equipment
• Wind Energy: Turbine generators, pitch control mechanisms
• Heavy Machinery: Loaders, excavators, agricultural equipment
• Consumer Electronics: Printers, cameras, hard drives
• Industrial Equipment: Motors, pumps, conveyor systems

Brands

• Smalley Retaining Rings
• SKF Retaining Rings
• Rotor Clip Retaining Rings
• FAG/INA Retaining Rings
• Timken Retaining Rings
• NTN Retaining Rings
• Indian OEM Custom Retaining Rings

Types

• Internal Retaining Rings (Fits inside bores)
• External Retaining Rings (Fits on shafts)
• Spiral Retaining Rings
• E-Clips (E-ring style retaining rings)
• Constant Section Retaining Rings
• Bowed and Tapered Section Rings
• Heavy Duty and Light Duty Variants

Part Numbers

• Smalley Spirolox Series
• SKF Internal & External Circlip Series
• Rotor Clip Types SR, E, C, W Series
• FAG Internal and External Snap Rings
• Timken Standard Retaining Ring Catalog Numbers
• NTN and OEM Part Number References

Seal Washers with Lips are specialized sealing components designed to provide a reliable, leak-proof seal around bolts, screws, and flanged connections. Featuring an elastomeric sealing lip bonded to a metal washer, these washers combine flexibility with strength to prevent leakage of fluids and gases under varying pressure and temperature conditions. The lip design enhances sealing efficiency by compensating for surface irregularities, ensuring a tight fit. Made from durable metals and high-performance rubbers, seal washers with lips offer superior resistance to wear, corrosion, and harsh industrial environments.

Key Benefits:

• Provides effective sealing against fluid and gas leakage
• Flexible sealing lip adapts to surface imperfections for tight sealing
• Metal washer prevents over-compression ensuring durability
• Resistant to chemicals, heat, and pressure variations
• Easy to install with bolts or studs for secure fastening
• Compatible with a wide range of thread standards and applications

Industrial Applications

• Oil & Gas: Pipeline flanges, valve seals
• Automotive: Engine components, transmission systems
• Chemical Processing: Sealed flanged connections, pipe fittings
• Power Generation: Turbine and boiler seals
• Plumbing: Leak-proof water and gas fittings
• Manufacturing: Machinery assembly, hydraulic systems
• Aerospace: Fuel system seals, hydraulic actuators
• Food & Beverage: Sealed sanitary bolts and fittings

Brands

• SKF Seal Washers with Lips
• FAG/INA Bonded Seal Washers
• NSK Sealing Washers
• TIMKEN Bonded Seal Washers
• NTN Seal Washers
• Indian OEM Custom Seal Washers

Types

• Standard Bonded Seal Washers with Elastomeric Lips
• High-Temperature Resistant Seal Washers
• Chemical-Resistant Seal Washers
• Metric, BSP, and Whitworth Thread Compatible Washers
• Custom Size and Material Seal Washers
• Flocked and Non-Flocked Seal Washers

Part Numbers

• SKF Dowty Seal Series
• FAG/INA Bonded Seal Catalog References
• NSK Standard Bonded Seal Model Numbers
• TIMKEN Elastomeric Lip Seal Numbers
• NTN Bonded Seal Series
• OEM Part Numbers as per customer specifications

Spacer Rings are precision-engineered components designed to maintain a specified distance between two parts in mechanical assemblies, ensuring proper alignment and load distribution. They prevent direct contact between components, reducing wear, friction, and potential damage, which enhances the service life of machinery. Typically manufactured from stainless steel, carbon steel, alloy steel, or high-performance polymers, spacer rings deliver strength, durability, and corrosion resistance. They are widely used in heavy-duty applications where precise axial spacing is critical for optimal performance and maintenance convenience.

Key Benefits:

• Maintains accurate spacing and alignment between machinery parts
• Reduces friction and wear by preventing direct metal-to-metal contact
• Enhances load distribution for improved mechanical stability and longevity
• Resistant to corrosion, heat, and wear for extended durability
• Supports easy assembly, maintenance, and replacement
• Available in customizable sizes and materials for versatile applications

Industrial Applications

• Oil & Gas: Pipeline flanges, valve spacing, maintenance access
• Chemical Processing: Pipeline spacing, corrosion-resistant assemblies
• Power Generation: Turbine assemblies, piping systems
• Water Treatment: Flange spacing, valve installation support
• Automotive: Gearbox assemblies, shaft spacing
• Manufacturing: Conveyor systems, machine component alignment
• Aerospace: Precision spacing in engine and structural assemblies
• Construction Equipment: Hydraulic systems, component assembly spacing

Brands

• Universal Spacer Rings (custom OEM)
• Tesco Steel Spacer Rings
• Tufcot® Composite Spacer Rings
• Inconel Spacer Rings (high-temp applications)
• Custom-manufactured Spacer Rings by Indian OEMs

Types

• Metal Spacer Rings (Stainless Steel, Carbon Steel, Alloy Steel)
• Composite and Polymer Spacer Rings
• Adjustable Spacer Rings for Hydraulic Pumps
• Ring Spacer Flanges
• Knitted Wire Mesh Spacer Rings for Thermal and Acoustic Applications
• Custom Profiled Spacer Rings

Part Numbers

• Catalogue-specific part numbers vary by manufacturer and material
• Common metal spacer ring standards based on inner diameter, outer diameter, and thickness
• Adjustable spacer rings with dynamic crush force specifications
• Polymer spacer rings by dimension and material grade specifications
• Custom OEM part numbers for bespoke sizes and profiles

Wear Rings, also known as hydraulic wear rings or guide rings, are essential components used for guiding pistons and piston rods in hydraulic and pneumatic cylinders. Their primary function is to absorb transverse forces and prevent direct metal-to-metal contact between the moving parts, thus minimizing wear and increasing the lifespan of cylinders and seals. Manufactured from high-quality materials such as PTFE composites, bronze-filled PTFE, glass-fiber reinforced polyamide, and engineered plastics, wear rings offer excellent wear resistance, low friction, and chemical stability. They help maintain alignment, reduce vibration, and improve overall system efficiency.

Key Benefits:

• Protect pistons and rods from damage by absorbing radial and lateral forces
• Prevent metal-to-metal contact, reducing wear and extending seal life
• Reduce friction and heat generation for smooth, efficient operation
• Resistant to chemicals, moisture, and extreme temperatures
• Maintenance-free options with built-in lubricants for self-lubrication
• Available in split and solid designs for easy installation and versatility

Industrial Applications

• Hydraulic Cylinders: Excavators, bulldozers, industrial presses
• Pneumatic Systems: Automation machinery, packaging equipment
• Agricultural Equipment: Tractors, harvesters, sprayers
• Automotive Industry: Robotic arms, production lines
• Aerospace: Flight control actuators, landing gear hydraulics
• Marine: Steering gear, stabilizing systems
• Oil & Gas: Drilling rigs, valve actuators
• Manufacturing: Machine tools, conveyor systems

Brands

• Trelleborg Wear Rings
• SKF Wear Rings
• FAG/INA Wear Rings
• Timken Wear Rings
• NTN Wear Rings
• SSP Seals Wear Rings
• Custom OEM Manufacturer Wear Rings

Types

• PTFE and Bronze-Filled Composite Wear Rings
• Glass-Fiber Reinforced Polyamide Wear Rings
• Thermoplastic and Thermoset Wear Rings
• Split Wear Rings for easy installation in confined spaces
• Solid Circumference Wear Rings
• Self-Lubricating Wear Rings

Part Numbers

• Trelleborg Slydring® Series
• SKF Standard Wear Ring Series
• FAG/INA Wear Ring Catalog References
• Timken Hydraulic Wear Ring Series
• NTN Wear Rings Series
• SSP Seals High-performance Guide Rings

Guide Strips are specialized components used in hydraulic and pneumatic cylinders to guide pistons and rods, preventing metal-to-metal contact and reducing wear. Typically manufactured from materials such as PTFE, carbon-filled PTFE, or composite plastics, they provide excellent wear resistance, low friction, and chemical inertness. By absorbing radial loads and ensuring precise alignment, guide strips help prevent damage to cylinder walls, enhancing system lifespan and efficiency. Their low friction characteristics contribute to smooth mechanical motion while minimizing energy loss.

Key Benefits:

• Protects cylinder walls by preventing abrasive metal-to-metal contact
• Reduces friction to ensure smooth, efficient operation
• High wear resistance extends the lifespan of cylinders and components
• Chemical and temperature resistant for demanding environments
• Supports precise piston and rod alignment, minimizing vibration
• Easy to install and replace with various sizes and materials available

Industrial Applications

• Hydraulic Cylinders: Construction machinery, industrial presses
• Pneumatic Systems: Automation, packaging machinery
• Agricultural Machinery: Tractors, harvesters
• Automotive Industry: Suspension and braking systems
• Aerospace: Hydraulic actuators, flight control systems
• Oil & Gas: Valve actuators, drilling equipment
• Marine Industry: Steering and propulsion hydraulics
• Manufacturing: Conveyor systems, machine tools

Brands

• SKF Guide Strips
• Kastaş PTFE Guide Strips
• igus iglidur Guide Strips
• FAG/INA Wear Strips
• Timken Guide Strips
• Indian OEM Custom Guide Strips

Types

• PTFE Guide Strips
• Carbon-Filled PTFE Guide Strips
• Composite and Fabric Reinforced Guide Strips
• Bronze-Filled PTFE Guide Strips
• Split and Solid Guide Strips
• Custom Dimension Guide Strips

Part Numbers

 

• SKF standard guide strip catalog numbers
• Kastaş PTFE Guide Strip series (e.g., KBT, KKT codes)
• FAG/INA wear strip references
• igus iglidur series for hydraulic applications
• Timken standard guide strip part numbers
• OEM-specific part numbers based on application requirements