Lubricants for Design Components

Every mechanical and electro-mechanical component starts with basic design elements. Each has its own lubrication requirements to ensure optimal performance. Click on any of the design components shown below to get some tips on choosing the best lubricant for your design. With more than 50 years of experience in designing lubricants for components, we’re happy to share some of what we learned.

Buttons and Knobs

Lubricants for rotary and linear human-interface controls should be designed to give a feeling of fluid motion. Properly formulated, they are the most economical way to eliminate the stiff, jerky action commonly associated with knobs, bezels, levers, and sliders. They allow the user to set controls more quickly and accurately by preventing "overshoot" during fine-tuning and direction changes. These "smooth feel" lubricants also prolong the life of components by reducing the effort required to move the controls thereby minimizing strain placed on the mechanism. In general, synthetic greases demonstrate superior low temperature performance. They are also compatible with most engineering plastics, including ABS and polycarbonate.

Oil-Plastic Compatibility. Because most buttons and knobs use plastic materials, pay special attention to the base oil's compatibility with the type of plastics material used. Mineral oils are compatible with most plastics; however synthetic hydrocarbons, also compatible with most plastics, offer higher film strength and broader operating temperature ranges. For more extreme temperature environments, choose silicone or perfluoropolyether (PFPE) greases. Silicone and PFPE are compatible with all plastics.

Product
(Temperature Range °C)
DescriptionData SheetSDSSample Request
NS-1802-G
-40 to 150

A synthetic hydrocarbon based grease that provides smooth feel to plastic on plastic and plastic on metal sliding interfaces while providing corrosion protection for nonferrous metals. The use of a high performance viscosity modifier combined with a low viscosity base fluid allows for excellent low temperature use with good high temperature damping ability. This product exhibits excellent mechanical stability and extremely low fluid migration, with low evaporation at high temperatures. Lower mechanical friction and anti-wear at higher temperatures are also exhibited.

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NS-8904-G
-40 to 135

A high viscosity silicone grease formulated with PTFE for applications requiring damping and noise control properties. High stability, low migration and oil separation, multi-plastics compatibility and wide operating temperature range are additional features of this product. Excellent anti-wear for plastic on plastic or metal on plastic interfaces.

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NS-1705-G
-50 to 150

A low viscosity silicone grease formulated with PTFE for applications requiring damping, stick-slip reduction and noise control properties. High mechanical stability, low migration and oil separation, multi-plastics compatibility and wide operating temperature range are additional features of this product. Excellent anti-wear for plastic on plastic or metal on plastic interfaces.

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NS-62150-G
-60 to 200

NS-62150-G, a member of Syn-Tech Ltd.'s Fluor-Tech PFPE grease and oil group, was designed to provide long life lubrication over an extremely wide temperature range of -60°C(-76°F) to 200°C(392°F). It is made with the highest quality PFPE base fluids which are chemically inert with most acids, fuels, and oxidizing agents. They do not emulsify with water and are resistant to all solvents except highly fluorinated solvents. Contains rust inhibiting, antiwear and EP additives for metal on metal applications. Extremely stable in the presence of oxygen. This product should not be mixed with hydrocarbon based lubricants. Before first use thoroughly purge all existing lubricants from bearings, gearboxes, switches, etc.

NS-62150-GL is available for reduced oil migration.

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NS-407-G
-40 to 205

NS-407-G is an NSF H-1 synthetic hydrocarbon grease for bearings and slides. It's non-melting thickener and corrosion protection for ferrous and non-ferrous metals insures long life lubrication. PTFE enhanced.

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Stationary Separable Electrical Connectors

Connector lubricants should ease mating while ensuring a solid connection, especially for multi-pin connectors in hard to reach places. When mated, connector lubricants should prevent oxidation, fretting corrosion, evaporation and oil migration, which compromise performance. Operating temperatures of the grease should match or exceed the lowest and highest temperatures at which the connector must perform.

Oxidation Stability. Connector lubricants should resist oxidation in the presence of moisture. If the oil or thickener oxidizes, it leaves gummy deposits on the contact, which impedes current flow and reduces contact life.

Fretting Corrosion is the result of low amplitude vibration, not moisture or contamination. It can be caused by repeated thermal expansion and contraction of mated contact metals. Nearby motion can also cause fretting corrosion, e.g., when connectors are located near fans or motors. A soft lubricant with a low viscosity (check data sheet) will minimize fretting corrosion because of its ability to quickly spread and maintain a thin, durable lubricant film between mated parts.

Gold-Plated Connectors. Though noble metal does not oxidize, gold-plated connectors benefit from lubrication. A thin layer of gold plating can be microscopically porous, which exposes the substrate. A lubricant fills these microscopic gaps to protect the substrate from oxidation. Perfluoropolyethers (PFPEs), which are extremely stable in thin film, are the lubricants of choice for gold-plated connectors. Polyphenol ethers (PPEs) also offer stable thin films.

Product
(Temperature Range °C)
DescriptionData SheetSDSSample Request
NS-50040-GC
-40 to 135

NS-50040-GC is an electrical connector grease for both ferrous and non-ferrous metals. Specifically formulated for long life corrosion protection, vibration damping, fretting control and moisture resistance in elevated temperature environments. Contains a UV tracer.

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NS-65140-GE
-40 to 200

NS-65140-GE is an electrical connector grease formulated to protect stationary contacts from corrosion and fretting wear while greatly reducing connector insertion force. Specifically formulated with evaporation resistant fluorinated PFPEfluids for long life corrosion protection, vibration damping, fretting control and moisture resistance in elevated temperature environments.

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Contacts in Electrical Switches

Lubricants designed for automotive electrical applications must protect components from wear and corrosion, while providing protection against external elements such as dust, moisture intrusion, humidity, high engine compartment temperatures and long overnight soaks at -40°C (-40°F). Electrical lubricants should be chosen dependent on contact design (sliding, butt action, slip ring, etc.), contact forces, switching current requirements and compatibility with plastics, elastomers and metals. Low current switching with low contact forces may require a lubricant with different chemical and physical properties compared to switching high current with high contact forces.

Contact Force. When selecting a grease for sliding contacts, the viscosity of the base oil must complement the contact force of the switch to prevent metal to metal contact. Low contact force applications require light viscosity base oils. High contact forces need more viscous base oils.

For both high and low contact forces, the grease should be able to form a thin lubricant film between the contacts at both high and low temperatures. Check kinematic viscosity on the data sheet. Look for greases with a high Viscosity Index, which indicates less change in viscosity as operating temperatures change.

Arcing switches. While low current/low contact force switches generally work well with synthetic hydrocarbon lubricants, a switch with high arc potential may require a lubricant with different chemical and physical properties. Hydrocarbons polymerize at extreme temperatures, leaving an insulating layer of wear debris that impacts switch performance. Because arc temperatures can degrade molecules in any oil, choose oils such as esters, polyglycols and polybutenes that "burn" with fewer by-products. Perfluoropolyethers (PFPEs) are good alternatives for high-arc switches.

Product
(Temperature Range °C)
DescriptionData SheetSDSSample Request
NS-1102-G
-40 to 171

A synthetic electrical contact grease designed for lubrication of both mechanical and electrical interfaces. Lower mechanical friction and improved anti-wear at higher temperatures is exhibited. This product is suitable for low current (<25 milliamp) as well as high current applications requiring low arc-switching debris and contact wear prevention. Provides Cu, Cu alloy, Ni, Au and Ag corrosion protection. Usable over a temperature range of -40°C(-40°F) to 171°C(340°F). This product exhibits excellent mechanical stability and controlled fluid migration with low evaporation at high temperatures. May be used in switches, small gearboxes, slides and other similar devices.

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NS-3297-G
-40 to 121

A fully synthetic grease designed for use in both mechanical and electrical interfaces. This product was formulated to reduce friction and wear on low current (<0.5 amp) sliding electrical contacts. It provides corrosion protection for non-ferrous metals such as copper and silver over a temperature range of -40°C to +121°C. This product exhibits excellent mechanical stability and low fluid migration, with low evaporation at high temperatures.

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NS-7696-G1
-40 to 135

A synthetic based grease designed primarily for electrical contact interface lubrication. Suitable for low current (non-arcing) and arcing sliding contact switches. May also be used on lightly loaded mechanical applications. Exhibits outstanding oxidation resistance, enhancing the products ability to provide exceptional corrosion protection on Cu, Cu alloy, Ag, Au and Ni metals in areas of high humidity.

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NS-62100-G
-65 to 130

NS-62100-G, a member of Syn-Tech Ltd.'s Fluor-Tech PFPE grease and oil group, was designed to provide long life lubrication over an extremely wide temperature range of -65°C(-85°F) to 200°C(392°F). It is made with the highest quality PFPE base fluids which are chemically inert with most acids, fuels, and oxidizing agents. They do not emulsify with water and are resistant to all solvents except highly fluorinated solvents. Contains rust inhibiting, antiwear and EP additives for metal on metal applications. Extremely stable in the presence of oxygen. This product should not be mixed with hydrocarbon based lubricants. Before first use thoroughly purge all existing lubricants from bearings, gearboxes, switches, etc.

NS-62100-GUV if a UV tracer is required.
NS-62100-GL is available for reduced oil migration.

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NS-5111-G
-46°C to 135°C

A synthetic based grease designed primarily for electrical contact interface lubrication. Suitable for low current (non-arcing) and arcing sliding contact switches. May also be used on lightly loaded mechanical applications. Exhibits outstanding oxidation resistance, enhancing the products ability to provide exceptional corrosion protection on Cu, Cu alloy, Ag, Au and Ni metals in areas of high humidity.

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Flexible Couplings

Lubricants for flexible couplings should be formulated to provide long lasting wear prevention under extreme pressure, high shear and high centrifugal forces. Look for high film strength on the data sheet, i.e., an oil's ability to form an unbroken lubricant film between surfaces under pressure. Also check kinematic viscosity, i.e., the oil's resistance to flow and shear at high and low temperatures. Lubricants for flexible couplings usually benefits from anti-wear, rust inhibitor and extreme pressure additives.

Film Strength is a measure of an oil's ability to maintain an unbroken lubricant film across mating surfaces to prevent contact and wear. If the film is partially broken, wear occurs, and wear debris exacerbates further wear. Oils with a high film strength can tolerate more pressure before "being squeezed out" from between the components. The viscosity of the oil and how it is affected by temperature play an important role in film strength. Synthetic oils offer higher film strengths and broader temperature ranges than mineral oils.

Boundary Conditions. When a lubricant is sheared between sliding parts, the oil begins the process of forming a lubricant film between mated surfaces. Boundary conditions can exist if the shear rate is not high enough, due to parts not sliding fast enough, to allow the film to form and keep components separated. Boundary conditions can also exist under shock loads where the lubricant is no longer able to maintain a film and is squeezed out from between parts. Since most flexible couplings move at slow speeds, the grease's ability to prevent wear under boundary conditions is critical. Pay special attention to the kinematic viscosity and film strength of the oil. Friction-control, metal-wetting and film-strength additives for the oil — and solid polymer additives for the thickener — will improve wear prevention under boundary conditions.

Product
(Temperature Range °C)
DescriptionData SheetSDSSample Request
NS-3913-G1
-40 to 150

NS-3913-G1 is an extreme pressure fortified grease designed for couplings and gears. High film strength components provide long lasting protection. EP and anti-wear additives along with rust inhibitors provide excellent performance for applications ranging from aerospace such as helicopter drive shaft couplings and bearings to industrial applications such as steel mill gear couplings. NS-3913-G1 is the only lubricant approved by Bell Helicopter Textron for use on their Crown Gear Driveshaft couplings.

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Gears

Whether you're lubricating steel mill gear reducers or miniature gears in actuators, gear lubricants should be formulated to minimize wear, dampen noise and increase gear train efficiency. Additives will ensure optimal performance when the gears will be exposed to water, salt water spray, shock loading, and other harsh operating environments. The operating temperature range of the grease should match or exceed the lowest and highest temperatures at which the gear must perform.

Grease or Oil. Open gears are typically lubricated with grease. Sealed gear boxes often use oil, though a very fluid grease (NLGI 000 to NGLI 0) may improve performance and operating life in some gearbox designs. The grease thickener will serve as a seal reinforcement to prevent leakage, and in some cases it can replace the seal, reducing material costs.

Metal gears. Consider the operating environment. Grease for metal gears can benefit from additives to prevent corrosion, oxidation and wear. For heavier loads and shock loading conditions, Extra Pressure (EP) or solid additives, e.g., polytetrafluoroethylene (PTFE), graphite or molybdenum disulfide will reduce pitting and spalling and ensure smooth start-up with minimal noise.

Plastic gears. Choose a lubricant that is compatible with the plastic material. Synthetic hydrocarbon, silicone and perfluoropolyether (PFPE) oils are safe choices. For highly loaded plastic gears choose a lubricant containing PTFE, graphite, molybdenum disulfides or polyethylene. Note that even "self-lubricating" polymer gears perform better when lubricated because the oil forms an extended protective barrier between mating parts.

Product
(Temperature Range °C)
DescriptionData SheetSDSSample Request
NS-8301-G
-24 to 107

A non-melting semi-synthetic high performance grease formulated for extreme pressure, anti-wear, and noise control properties. High stability, low migration, wide temperature range, and excellent load capability for use on gears, chains, bearings and cables. Excellent anti-wear for metal to metal and plastics to metals. Additionally, this product exhibits corrosion protection and high oxidation stability. NS-8301-G should not be mixed with lithium soap greases. Before first use thoroughly purge all existing lubricants from bearings, gearboxes, etc.

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NS-4405-FG
-54 to 135

A high capacity semi-fluid grease designed for high performance applications. This product exhibits a wide operating temperature lubricant with extreme pressure and antiwear properties. Extreme stability under high centrifugal conditions. Possible applications might include couplings, gear boxes and bearings. This product does not contain solids or silicone. NS-4405-FG is the only lubricant approved by McDonnell Douglas for use on the Intermediate and Tail Rotor gear boxes on the AH-64 Apache helicopter gun ship.

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NS-1008-FG
-40 to 135

An EP/antiwear fluid grease with extremely low oil separation for use in gearboxes with marginal seals. This product is formulated with a unique thickener that flows like an oil but resists leaking out of poor case seals on gearboxes originally designed for greases. For use on steel, bronze or plastic gears. Excellent lubrication for worm gears.

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NS-1813-G
-37 to 191

NS-1813-G is an NSF H-1 synthetic hydrocarbon grease for gears, bearings and slides. It's high temperature non-melting thickener, PAO base fluid and corrosion protection for ferrous and non-ferrous metals insures long life lubrication. Operating temperature range of -35°F to 300°F (shorter term usage at up to 375°F). Fortified for extreme pressure and antiwear additives for highly loaded applications.

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NS-6111-G
-48 to 140

An NLGI 1 synthetic grease designed to lubricate and protect metal on metal interfaces against wear. It will also provide reduced friction and smooth feel to plastic on plastic and plastic on metal sliding interfaces while providing corrosion protection for both ferrous and nonferrous metals. The use of a high performance low viscosity synthetic base fluid allows for excellent low temperature use with good high temperature damping ability. This product exhibits excellent mechanical stability and extremely low fluid migration or bleed, with low evaporation at high temperatures. May be used in gearboxes, bearings, cables, mechanical sections of switches and other similar devices.

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NS-12290-GB
-40 to 177

A versatile tacky non-melting synthetic grease designed for use in automotive window regulator clutches requiring long service life, shear stability, and anti-wear properties as well as excellent rust and corrosion protection. Formulated with extreme pressure additives and PTFE for high load capability with an operating temperature range of -40°F(-40°C) to +350°F(177°C). Potential applications for this product include low speed roller bearings, plain bearings, gears, slides, cams and cables.

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Hinges and Latches

Lubricants for hinges and latches, like lubricants for plain bearings and slides, should be formulated to reduce friction and wear, especially under boundary lubrication conditions, i.e., when the load is high enough to allow metal to metal contact. Unlike components in continual motion, where a hydrodynamic lubricant film is formed, hinges and latches typically cycle under boundary conditions. Make sure the temperature range of the oil matches or exceeds temperatures at which the hinge or latch is expected to perform. Check the kinematic viscosity and film strength of the oil at both ends of the temperature range to ensure the oil can maintain a protective film, under load, at temperature extremes.

Material Compatibility. For plastic-on-plastic and plastic-on-metal hinges and latches, make sure the lubricant is compatible with plastic. Mineral oils are compatible with most plastics; however synthetic hydrocarbons, also compatible with most plastics, offer higher film strength and broader operating temperature ranges. Silicone and perfluoropolyether (PFPE) oils are compatible with all plastics and offer a broader operating temperature range than synthetic hydrocarbons. If contact loading is too high, causing direct plastic rubbing, the parts will overheat or deform and flow. Adding PTFE to the grease formula adds an extra layer of protection for high loads.

Greases for metal-on-metal hinges often benefit from chemically active, oil additives for highly loaded parts.

Product
(Temperature Range °C)
DescriptionData SheetSDSSample Request
NS-12290-GB
-40 to 177

A versatile tacky non-melting synthetic grease designed for use in automotive window regulator clutches requiring long service life, shear stability, and anti-wear properties as well as excellent rust and corrosion protection. Formulated with extreme pressure additives and PTFE for high load capability with an operating temperature range of -40°F(-40°C) to +350°F(177°C). Potential applications for this product include low speed roller bearings, plain bearings, gears, slides, cams and cables.

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NS-6111-G
-48 to 140

An NLGI 1 synthetic grease designed to lubricate and protect metal on metal interfaces against wear. It will also provide reduced friction and smooth feel to plastic on plastic and plastic on metal sliding interfaces while providing corrosion protection for both ferrous and nonferrous metals. The use of a high performance low viscosity synthetic base fluid allows for excellent low temperature use with good high temperature damping ability. This product exhibits excellent mechanical stability and extremely low fluid migration or bleed, with low evaporation at high temperatures. May be used in gearboxes, bearings, cables, mechanical sections of switches and other similar devices.

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NS-6015-G
-20 to 170

NS-6015-G is a synthetic hydrocarbon based grease with a calcium sulfonate complex thickener. This product provides load carrying performance and reduced component wear. This grease also has excellent corrosion protection and superior water washout and spray off properties for bearings and gears.

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NS-4318-G
-20°C to 100°C

NS-4318-G is a synthetic hydrocarbon based grease with a water washout resistant special calcium thickener. This product provides load carrying performance and reduced wear for steel and brass component. This grease also has excellent salt water corrosion protection and superior water washout and spray off properties for bearings and gears.

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Plain Bearings and Slides

Lubricants for plain bearings and slides, like lubricants for hinges and latches, should be formulated to create a thin lubricant film over the entire contact interface, especially at start-up, at low speeds and under high loads. Choosing the correct viscosity is very important when optimizing energy consumption. Too high a viscosity will cause viscous drag, which increases energy consumption. Too low a viscosity will allow material contact, increasing friction, wear and energy consumption. Additives can fortify the grease's ability to inhibit wear and corrosion and dampen noise, especially under boundary lubrication conditions. Synthetic oils usually perform best in thin film applications when a wide temperature range is required. Operating temperatures of the lubricant should match or exceed the lowest and highest temperatures at which the plain bearing or slide must perform.

Boundary Conditions. When a lubricant is sheared between sliding parts, the oil begins the process of forming a lubricant film between mated surfaces. Boundary conditions can exist if the shear rate is not high enough, due to parts not sliding fast enough, to allow the film to form and keep components separated. Boundary conditions can also exist under shock loads where the lubricant is no longer able to maintain a film and is squeezed out from between parts. Since most plain bearings and slides move at slower speeds, the grease's ability to prevent wear under boundary conditions and load is critical. Pay special attention to the kinematic viscosity and film strength of the oil, information found on a data sheet. Friction-control, metal-wetting and film-strength additives for the oil — and solid polymer additives for the thickener — will improve wear prevention under boundary lubrication conditions.

Product
(Temperature Range °C)
DescriptionData SheetSDSSample Request
NS-1802-G
-40 to 150

A synthetic hydrocarbon based grease that provides smooth feel to plastic on plastic and plastic on metal sliding interfaces while providing corrosion protection for nonferrous metals. The use of a high performance viscosity modifier combined with a low viscosity base fluid allows for excellent low temperature use with good high temperature damping ability. This product exhibits excellent mechanical stability and extremely low fluid migration, with low evaporation at high temperatures. Lower mechanical friction and anti-wear at higher temperatures are also exhibited.

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NS-1705-G
-50 to 150

A low viscosity silicone grease formulated with PTFE for applications requiring damping, stick-slip reduction and noise control properties. High mechanical stability, low migration and oil separation, multi-plastics compatibility and wide operating temperature range are additional features of this product. Excellent anti-wear for plastic on plastic or metal on plastic interfaces.

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NS-2506-G5
-40 to 150

NS-2506-G5 is a synthetic non-melting grease with excellent EP, antiwear and squeak resistance. Designed for use in applications requiring long service life and stability with very low oil migration as well as excellent rust and corrosion protection. Formulated with extreme pressure additives for high load capability with an operating temperature range of -40°F(-40°C) to +302°F(150°C) allow many possible applications such as hinges, slides and cams.

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NS-10895-G
-40 to 135

A PTFE fortified synthetic grease designed for use in applications requiring a long life, low oxidation rate lubricant that reduces friction and wear as well as providing damping and noise control. Formulated with extreme pressure and anti-wear additives along with excellent rust and corrosion protection, this product can be used in applications requiring both low and high temperature performance on ferrous and non-ferrous metals. Applications might include light duty gearboxes, bearings, cables, plastic gears, slides, etc.

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NS-62320-H
-50 to 275

NS-62320-H was designed to lubricate at temperatures up to 275°C in applications requiring an NSF H1 approved grease for incidental food contact. It is made with the highest quality PFPE base fluids which are chemically inert with most acids, fuels, and oxidizing agents. They do not emulsify with water and are resistant to all solvents except highly fluorinated solvents. Protects ferrous metals against rust. Extremely stable in the presence of oxygen. This product should not be mixed with hydrocarbon based lubricants. Before first use thoroughly purge all existing lubricants from bearings, gearboxes, etc.

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NS-4318-G
-20°C to 100°C

NS-4318-G is a synthetic hydrocarbon based grease with a water washout resistant special calcium thickener. This product provides load carrying performance and reduced wear for steel and brass component. This grease also has excellent salt water corrosion protection and superior water washout and spray off properties for bearings and gears.

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Pneumatic Cylinders

Lubricants for pneumatic cylinders should be formulated to resist moisture, chemicals and gasses. They should also disperse a thin, durable lubricating film on mating parts to prevent wear and reduce friction and drag for smooth breakaway at low air pressures. The grease should also demonstrate high shear stability under pressure. If the grease breaks down under shear, it will leak oil, damage seals and fail to prevent internal wear, which leads to premature failure of the cylinder.

Lubricant chemical compatibility with elastomer seals is very important. If a lubricant causes elastomer hardening the seals can shrink and leak. Elastomer softening can cause premature seal wear.

Shear Stability. All greases consist of oil and a thickener. The oil provides lubrication. The thickener, typically a soap, e.g., lithium, prevents the oil from flowing away from where it is needed. Shear stability or mechanical stability refers to a thickener's ability to keep the oil in place under high shear and high temperature conditions, a condition often found in high pressure and high cycle rate cylinders. If the grease matrix is destroyed, i.e., when the thickener no long holds the oil, expect leaking, noise, wear and premature failure.

Some thickeners perform better than others under high shear. The most commonly used high-shear thickeners include lithium complex, calcium sulfonate, polyurea and PTFE. Note that PTFE can also be used as a solid additive with any oil or thickener. PTFE helps protect against wear, especially at start-up, and it improves the grease's water resistance.

Product
(Temperature Range °C)
DescriptionData SheetSDSSample Request
NS-5606-G
-29 to 121

Designed for use in pneumatic actuator seals requiring low drag lubrication and dynamic sealing with good moisture resistance. NS-5606-G conditions elastomer seals to prevent hardening. This product is fortified with corrosion protection additives for ferrous and non-ferrous metals It also contains friction modifiers, including PTFE. NS-5606-G is an good lubricant for metal on plastics and elastomersas well as lightly loaded metal on metal applications. Other possible applications might include push-pull and rotating drive cables, bearings, plastic on metal gears, slides and other similar devices.

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NS-9201-FG
-40 to 177

Designed for use in pneumatic actuator seals requiring low drag lubrication and dynamic sealing with good moisture resistance. NS-9201-FG has excellent viscosity-temperature characteristics, thermal and chemical stability, and shear-breakdown resistance. This product is fortified with friction modifiers including PTFE. NS-9201-FG is an excellent lubricant for metal on plastics, elastomers and lightly loaded metal on metal interfaces. Other possible applications might include push-pull and rotating drive cables, bearings, plastic on metal gears, slides and other similar devices.

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NS-10197-GS
-58 to 177

Designed for use in pneumatic actuator seals requiring low drag lubrication and dynamic sealing with good moisture resistance. NS-10197-GS has excellent viscosity-temperature characteristics, thermal and chemical stability, and shear-breakdown resistance. This product is fortified with friction modifiers including PTFE. NS-10197-GS is an excellent lubricant for metal on plastics, elastomers and lightly loaded metal on metal interfaces. Other possible applications might include push-pull and rotating drive cables, bearings, plastic on metal gears, slides and other similar devices.

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NS-5115-G
-40 to 200

A fully synthetic NLGI 2 grease formulated to provide friction reduction, antiwear and mild EP protection with premium corrosion protection for gears and bearings. A high viscosity index PAO base fluid provides low drag lubrication at lower operating temperatures. Its shear resistant calcium sulfonate complex thickener system provides a consistent lubrication film and is extremely resistant to moisture, humidity and steam.

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Rolling Element Bearings

Bearings can be lubricated with oil or grease. Oil is typically used for higher speed applications. Greases are used where extended maintenance times are required. All lubricants for rolling bearings should be formulated to reduce metal-to-metal contact between the raceway and rolling element, prevent corrosion, dampen noise, dissipate heat and enhance the performance of bearing seals. In applications where bearings are exposed to electrical potential or where static electricity is generated, consider electrically conductive lubricants to help prevent micro-pitting caused by arcs. Operating temperatures of the grease should match or exceed the lowest and highest temperatures at which the bearing must perform.

Check Viscosity. The viscosity of the oil, whether used alone or mixed with a thickener to form a grease, changes with temperature. Oils, like all fluids, become more viscous at cold temperatures and less viscous at high temperatures. Lubricants that are too "thick" at cold temperatures create "viscous drag," which increases energy usage, wear and noise, or may even cause the bearing to seize. Lubricants that are too "light" at high temperatures may leave gaps in the lubricant film, causing metal-to-metal contact and related wear and noise.

Viscosity Index (VI), which can be found on a data sheet, indicates how much the viscosity of an oil changes with temperature. The lower the VI, the greater the change of viscosity. Choose an oil with a high VI to ensure more consistent performance over a broad temperature range. As a rule of thumb, a grease at room temperature should change less than one NGLI grade at high and low temperatures.

Product
(Temperature Range °C)
DescriptionData SheetSDSSample Request
NS-2517-SBO
-40 to 110

NS-2517-SBO is a unique combination of an ISO 100 synthetic hydrocarbon oil in a solid porous polymer carrier formulated to lubricate ball, tapered roller, needle roller, spherical roller and cylindrical roller bearings. The porous polymer carrier slowly releases oil to the bearing components. The carrier also forms a wall, blocking particular contaminants without the need for expensive seals.

Usage instructions: Mix NS-2517-SBO to disperse polymer particles that may have settled. The solid polymer gell matrix is formed after heating the bearing with NS-2517-SBO to 140°C or greater for at least 15 minutes. Allow the bearing to cool to room temperature before operating.

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NS-9797-G
-40 to 149

A general purpose synthetic grease designed for applications requiring high mechanical lubricity and low friction with an operating temperature range down to -40°F(-40°C). High mechanical stability, low capillary action, excellent oxidation and thermal stability are exhibited by this product.The addition of PTFE enhances low frictional and load carrying properties. Imparts 'smooth feel' and mechanical damping for in cabin vehicle controls. Possible applications include gears, bearings, cables, screw actuators and sliding interfaces.

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NS-407-G
-40 to 205

NS-407-G is an NSF H-1 synthetic hydrocarbon grease for bearings and slides. It's non-melting thickener and corrosion protection for ferrous and non-ferrous metals insures long life lubrication. PTFE enhanced.

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NS-3913-G
-40 to 150

A special purpose grease, designed for use on metal to metal interfaces requiring a long service life, stability and anti-wear properties as well as excellent rust and corrosion protection. Formulated with extreme pressure additives for high load capabilities. This product offers an operating temperature range of -40°F to +300°F. The combination of high temperature base fluid and thickener will lubricate a wide range of applications including gearboxes, gear couplings, cams, wheel bearings and drive shafts.

NS-3913-G is the only lubricant approved for use on Kop-Flex® high PV gear shaft couplings.

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NS-6617-SBO
-40 to 110

NS-6617-SBO is a unique combination of a medium viscosity synthetic hydrocarbon oil in a solid porous polymer carrier formulated to lubricate ball, tapered roller, needle roller, spherical roller and cylindrical roller bearings. The porous polymer carrier slowly releases oil to the bearing components. The carrier also forms a wall, blocking particular contaminants without the need for expensive seals. This product provides protection from rust and corrosion. It also exihibits enhanced antiwear and extreme pressure protection for ferrous metals.

Usage instructions: Mix NS-6617-SBO to disperse polymer particles that may have settled. The solid polymer gell matrix is formed after heating the bearing with NS-6617-SBO to 145°C or greater for at least 30 minutes. Allow the bearing to cool to room temperature before operating.

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