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Stock Drive ProductsSterling Instrument - SDPSI
location United States

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Our Products

  1. Gearbox & Gear Parts 3 Products available

  2. Bearings

    2 Products available

  3. Steering Parts And Components

    2 Products available

  4. Fasteners

    2 Products available

  5. Conveyors

    1 Products available

  6. Screws

    1 Products available

  7. Printing Machines & Equipment

    1 Products available

  8. Aluminum Plates

    1 Products available

  9. Compression Springs & Air Springs

    1 Products available

  10. Industrial Springs

    1 Products available
  11. Others Products 5 Products available

Our Products

Leading Manufacturer, Supplier & Retailer of Precision Pawls, Precision Gearheads, Linear Guide Systems and Precision Differentials.

Precision Metal Ball Bearings

Precision Metal Ball Bearings

Friction, or resistance to motion, is the result of the force acting between two surfaces as they slide against each other. Bearings reduce friction and provide smooth sliding contact between surfaces due to their material, shape or lubrication. Choosing the correct bearing for an application improves efficiency, extends bearing life at high speeds and avoids overheating. Bearings fall into two general categories: radial bearings that support rotating shafts and thrust bearings that support axial loads. Four classifications of bearing tolerances have been established, providing standards of precision for correct application of ball bearings. The designations are, ABEC 1, ABEC 5, ABEC 7 and ABEC 9, ABEC 9 being the most precise. SDPSI carries a wide range of bearing types and materials suitable for industrial and commercial applications. Self-lubricating plastic bearings are light weight and work well in applications where abrasive and corrosive conditions exist. Both plain bearings (sleeve bearings and thrust bearings) and anti-friction bearings (ball bearings, roller bearings, and needle bearings) are offered. Standard catalog items include: precision ball bearings, plastic race ball bearings, self-clinching & self-aligning pressbearings, needle roller bearings, linear bearings, thrust bearings, plain and flanged sleeve bearings, sintered bearings, rod ends and much more. Our bearing products combined with our mechatronic design, engineering and manufacturing services will make your job easier and your product a success.
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Fairloc - The Integral Fastener

Fairloc - The Integral Fastener

Fairloc is the better way to fasten rotating components. It solves phasing, timing, positioning and frequent removal problems. Easy Adjustment Fairloc replaces set screws and clamps; components can be repositioned with a single hex key adjustment.Will not Mar ShaftOutstanding ReliabilityCompact, Self-Contained Design When available space or access is limited Fairloc's small hub envelope is a distinct advantage.Full Use of the Bore Gives maximum support to the component, reduces wobble or misalignment.Superior to Other Fasteners in High-Torque Applications
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Precision Pawls

Precision Pawls

Sterling Instrument is a well-known manufacturer of high precision standard and custom gears for a wide range of applications. Our fine to medium pitch gears are manufactured for some of the most demanding customers in the aerospace, defense, and medical industries of today. Sterling Instrument applies strict quality control throughout the entire manufacturing cycle. Comprehensive engineering experience enables us to offer the additional services of design review and or value engineering toward the goal of manufacturing efficiency. An on-site Class 10000 clean room is used for testing, assembly and packaging. NADCAP and customer approved facilities are used for casting, heat-treating, plating, and painting. We can machine in many materials including aluminum, brass, bronze, steel alloys, stainless steel and titanium.
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Precision Gearheads

Precision Gearheads

We manufacture and design high-quality gears as well as complete speed-reduction systems. For build-to-print custom parts, assemblies, design, engineering and manufacturing services contact our engineering group. Speed reducers and gear trains can be classified according to gear type as well as relative position of input and output shafts. SDPSI offers a wide variety of standard catalog items: Bu-Ord size gearheads and speed reducersNEMA size planetary and spur gearheadsNEMA size right angle and dual output right angle planetary gearheads We realize you may not be interested in selecting a ready-to-use speed reducer. For those of you who wish to design your own special gear train or speed reducer we offer a broad range of precision gears, types, sizes and material, available from stock.
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Linear Guide Systems

Linear Guide Systems

Linear Guide Systems are designed to move goods accurately and smoothly in a wide variety of applications. SDPSI offers a number of options such as an industrial "V" Guide System, Mini-Rail Linear Guide System, and Low Profile Linear Guide System. Components are available in different styles, configurations and materials. Learn more about the Linear Guide Systems offered by accessing data sheets on the E-store or request your copy of our latest catalog.
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ACME Lead Screws

ACME Lead Screws

ower screws are a common means of translating rotary motion into linear motion. There are several different types, each of which has its own advantages and disadvantages depending on the requirements of the application. Acme lead screws are defined by their thread profile, which is trapezoidal with a thread angle of 29. There are two immediate results of this difference in profile. It is much easier to machine, so Acme lead screws are much cheaper than square lead screws or ball screws. The second difference is a much larger area of contact between the screw and the nut. This has both advantages and disadvantages. First, the load capacity is much higher. Second, there is much higher friction, which makes them much less efficient, but also prevents them from back-driving in most situations. So due to overheating and low efficiency, they are ill-suited for continuous power applications, but are great for vertical motion applications where the load must be suspended without dropping, like lifts and jacks. They are also suitable for medical lab automation and treatment devices, screw press drives, support legs and micro lathes.
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Metal Universal Joints

Metal Universal Joints

Universal joints are used to transmit power, motion or both. It is a mechanical connection between intersecting shafts, which are usually not parallel. Cardan joint or Hooke joint is the most common and consists of two yokes, one on each shaft, connected by a cross-shaped intermediate member called the spider. The angle between the shafts is called the operating angle. It is usually constant during operation, but not necessarily so. Good design practice calls for low operating angles, often less than 25. Universal joints are available in steel or in thermoplastic body members. For maximum load-carrying capacity for a given size a steel universal joint should be selected. Universal joints with thermoplastic body members are used in light industrial applications in which their self-lubricating feature, light weight, negligible backlash, corrosion resistance and capability for high-speed operation are significant advantages. Ball-jointed universals are used for high-speed operation and for carrying large torques. They are available in miniature and standard sizes. SDP pioneered the concept of combining the exceptional qualities of selected plastic materials with different metals to create products which incorporate both. SUPER-PLAST designs have the following advantages:Inexpensive replacement of metal componentsDampens vibrationCorrosive and chemical resistantElectrically insulated
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Hardware Items

Hardware Items

SDPSI offers a wide variety of fasteners, hardware items, constant force springs and other unique items available off-the-shelf. Modifications or custom design is available if standard items don't meet your needs. Inch and metric sized fasteners are offered in various configurations, materials and sizes. Get precision socket head shoulder screws, non- corrosive molded machine screws, Long-Lok spring plungers, metal threaded rods, plastic threaded rods and much more. Constant Force Springs and Spring Products are used in a wide variety of applications including medical, aerospace, point-of-purchase, door and window manufacturing. SDPSI offers stainless steel extension springs, Neg'ator spring motors, and compact sized spring-powered reels for point-of-purchase displays. Also available are base-mounted spring powered reels for counterbalances, arbor-mounted spring powered reels and base-mounted Neg'ator spring motor assemblies. Hardware items such as knobs, handles, shims, spacers, retaining rings, washers, extension and compression springs can be found in our catalog or E-store. SDPSI also offers an assortment of Miscellaneous and Unique Components for the design engineer.

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Shock Absorbing Mounts

Shock Absorbing Mounts

Vibration and shock absorbing products from SDPSI can control vibration and reduce noise levels in everyday machinery. In many machines, the vibration is not part of its regular or intended operation and function, but rather it cannot be avoided. The task of vibration isolation is to control this unwanted vibration so that its adverse effects are kept within acceptable limits. Vibration mounts and shock mounts are components consisting of a resilient material, usually rubber, mounted in a metal supporting frame, which is bolted or screwed into the equipment which is to be protected. SDPSI offers a broad range of products to support and protect your equipment, including bumpers, ring mountings, cylindrical mounts, floor mountings, and pad type mountings. Silicone Gel Vibration Dampers are used for small to intermediate load applications, offer stable performance from -40F to 392F, and are chemical resistant.
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Multipurpose Feed Rollers

Multipurpose Feed Rollers

SDPSI offers 200 inch and metric dimensioned feed and idler rollers for multiple applications. Typical applications include: copiers, printers, money or dispensing machines, vending machines and paper transport. SDPSI feed and idler products provide excellent performance due to the urethane 60 durometer rolling surface. Outstanding features include high-load bearing and shock-absorption capacity, noise reduction, low-rolling resistance, resistant to flat development and wear. They are especially resistant against compression under static loads. The feed and idler rollers are easily installed on drive shafts via adhesive bonding, press fits on knurled shafts and set screws. Small inch and metric sized idlers are available in all stainless steel construction or as a lower cost option an idler with sintered bronze bearings in stainless steel housing.
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Precision Differentials

Sterling Instrument is a well-known manufacturer of high precision standard and custom gears for a wide range of applications. Our fine to medium pitch gears are manufactured for some of the most demanding customers in the aerospace, defense, and medical industries of today. Sterling Instrument applies strict quality control throughout the entire manufacturing cycle. Comprehensive engineering experience enables us to offer the additional services of design review and or value engineering toward the goal of manufacturing efficiency. An on-site Class 10000 clean room is used for testing, assembly and packaging. NADCAP and customer approved facilities are used for casting, heat-treating, plating, and painting. We can machine in many materials including aluminum, brass, bronze, steel alloys, stainless steel and titanium.
View Complete Details
Ask Latest Price & Details

Constant Force Springs

SDPSI offers a wide variety of fasteners, hardware items, constant force springs and other unique items available off-the-shelf. Modifications or custom design is available if standard items don't meet your needs. Inch and metric sized fasteners are offered in various configurations, materials and sizes. Get precision socket head shoulder screws, non- corrosive molded machine screws, Long-Lok spring plungers, metal threaded rods, plastic threaded rods and much more. Constant Force Springs and Spring Products are used in a wide variety of applications including medical, aerospace, point-of-purchase, door and window manufacturing. SDPSI offers stainless steel extension springs, Neg'ator spring motors, and compact sized spring-powered reels for point-of-purchase displays. Also available are base-mounted spring powered reels for counterbalances, arbor-mounted spring powered reels and base-mounted Neg'ator spring motor assemblies. Hardware items such as knobs, handles, shims, spacers, retaining rings, washers, extension and compression springs can be found in our catalog or E-store. SDPSI also offers an assortment of Miscellaneous and Unique Components for the design engineer.
View Complete Details
Ask Latest Price & Details

Fasteners

SDPSI offers a wide variety of fasteners, hardware items, constant force springs and other unique items available off-the-shelf. Modifications or custom design is available if standard items don't meet your needs. Inch and metric sized fasteners are offered in various configurations, materials and sizes. Get precision socket head shoulder screws, non- corrosive molded machine screws, Long-Lok spring plungers, metal threaded rods, plastic threaded rods and much more. Constant Force Springs and Spring Products are used in a wide variety of applications including medical, aerospace, point-of-purchase, door and window manufacturing. SDPSI offers stainless steel extension springs, Neg'ator spring motors, and compact sized spring-powered reels for point-of-purchase displays. Also available are base-mounted spring powered reels for counterbalances, arbor-mounted spring powered reels and base-mounted Neg'ator spring motor assemblies. Hardware items such as knobs, handles, shims, spacers, retaining rings, washers, extension and compression springs can be found in our catalog or E-store. SDPSI also offers an assortment of Miscellaneous and Unique Components for the design engineer.
View Complete Details
Ask Latest Price & Details

Speed Reducers

We manufacture and design high-quality gears as well as complete speed-reduction systems. For build-to-print custom parts, assemblies, design, engineering and manufacturing services contact our engineering group. Speed reducers and gear trains can be classified according to gear type as well as relative position of input and output shafts. SDPSI offers a wide variety of standard catalog items: Bu-Ord size gearheads and speed reducersNEMA size planetary and spur gearheadsNEMA size right angle and dual output right angle planetary gearheads We realize you may not be interested in selecting a ready-to-use speed reducer. For those of you who wish to design your own special gear train or speed reducer we offer a broad range of precision gears, types, sizes and material, available from stock.
View Complete Details
Ask Latest Price & Details

ACME Ball Screws

ower screws are a common means of translating rotary motion into linear motion. There are several different types, each of which has its own advantages and disadvantages depending on the requirements of the application. Acme lead screws are defined by their thread profile, which is trapezoidal with a thread angle of 29. There are two immediate results of this difference in profile. It is much easier to machine, so Acme lead screws are much cheaper than square lead screws or ball screws. The second difference is a much larger area of contact between the screw and the nut. This has both advantages and disadvantages. First, the load capacity is much higher. Second, there is much higher friction, which makes them much less efficient, but also prevents them from back-driving in most situations. So due to overheating and low efficiency, they are ill-suited for continuous power applications, but are great for vertical motion applications where the load must be suspended without dropping, like lifts and jacks. They are also suitable for medical lab automation and treatment devices, screw press drives, support legs and micro lathes.
View Complete Details
Ask Latest Price & Details

Precision Metal Ball Plastic Bearings

Friction, or resistance to motion, is the result of the force acting between two surfaces as they slide against each other. Bearings reduce friction and provide smooth sliding contact between surfaces due to their material, shape or lubrication. Choosing the correct bearing for an application improves efficiency, extends bearing life at high speeds and avoids overheating. Bearings fall into two general categories: radial bearings that support rotating shafts and thrust bearings that support axial loads. Four classifications of bearing tolerances have been established, providing standards of precision for correct application of ball bearings. The designations are, ABEC 1, ABEC 5, ABEC 7 and ABEC 9, ABEC 9 being the most precise. SDPSI carries a wide range of bearing types and materials suitable for industrial and commercial applications. Self-lubricating plastic bearings are light weight and work well in applications where abrasive and corrosive conditions exist. Both plain bearings (sleeve bearings and thrust bearings) and anti-friction bearings (ball bearings, roller bearings, and needle bearings) are offered. Standard catalog items include: precision ball bearings, plastic race ball bearings, self-clinching & self-aligning pressbearings, needle roller bearings, linear bearings, thrust bearings, plain and flanged sleeve bearings, sintered bearings, rod ends and much more. Our bearing products combined with our mechatronic design, engineering and manufacturing services will make your job easier and your product a success.
View Complete Details
Ask Latest Price & Details

Multipurpose Idler Rollers

SDPSI offers 200 inch and metric dimensioned feed and idler rollers for multiple applications. Typical applications include: copiers, printers, money or dispensing machines, vending machines and paper transport. SDPSI feed and idler products provide excellent performance due to the urethane 60 durometer rolling surface. Outstanding features include high-load bearing and shock-absorption capacity, noise reduction, low-rolling resistance, resistant to flat development and wear. They are especially resistant against compression under static loads. The feed and idler rollers are easily installed on drive shafts via adhesive bonding, press fits on knurled shafts and set screws. Small inch and metric sized idlers are available in all stainless steel construction or as a lower cost option an idler with sintered bronze bearings in stainless steel housing.
View Complete Details
Ask Latest Price & Details

Molded Universal Joints

Universal joints are used to transmit power, motion or both. It is a mechanical connection between intersecting shafts, which are usually not parallel. Cardan joint or Hooke joint is the most common and consists of two yokes, one on each shaft, connected by a cross-shaped intermediate member called the spider. The angle between the shafts is called the operating angle. It is usually constant during operation, but not necessarily so. Good design practice calls for low operating angles, often less than 25. Universal joints are available in steel or in thermoplastic body members. For maximum load-carrying capacity for a given size a steel universal joint should be selected. Universal joints with thermoplastic body members are used in light industrial applications in which their self-lubricating feature, light weight, negligible backlash, corrosion resistance and capability for high-speed operation are significant advantages. Ball-jointed universals are used for high-speed operation and for carrying large torques. They are available in miniature and standard sizes. SDP pioneered the concept of combining the exceptional qualities of selected plastic materials with different metals to create products which incorporate both. SUPER-PLAST designs have the following advantages:Inexpensive replacement of metal componentsDampens vibrationCorrosive and chemical resistantElectrically insulated
View Complete Details
Ask Latest Price & Details

Precision Gears

Sterling Instrument is a well-known manufacturer of high precision standard and custom gears for a wide range of applications. Our fine to medium pitch gears are manufactured for some of the most demanding customers in the aerospace, defense, and medical industries of today. Sterling Instrument applies strict quality control throughout the entire manufacturing cycle. Comprehensive engineering experience enables us to offer the additional services of design review and or value engineering toward the goal of manufacturing efficiency. An on-site Class 10000 clean room is used for testing, assembly and packaging. NADCAP and customer approved facilities are used for casting, heat-treating, plating, and painting. We can machine in many materials including aluminum, brass, bronze, steel alloys, stainless steel and titanium.
View Complete Details
Ask Latest Price & Details

Precision Ratchets

Sterling Instrument is a well-known manufacturer of high precision standard and custom gears for a wide range of applications. Our fine to medium pitch gears are manufactured for some of the most demanding customers in the aerospace, defense, and medical industries of today. Sterling Instrument applies strict quality control throughout the entire manufacturing cycle. Comprehensive engineering experience enables us to offer the additional services of design review and or value engineering toward the goal of manufacturing efficiency. An on-site Class 10000 clean room is used for testing, assembly and packaging. NADCAP and customer approved facilities are used for casting, heat-treating, plating, and painting. We can machine in many materials including aluminum, brass, bronze, steel alloys, stainless steel and titanium.
View Complete Details
Ask Latest Price & Details
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