Stock Drive Products & Sterling Instrument - SDP/SI has promoted these products / services:
SDP/SI provides engineered mechanical solutions to many of the most recognized names in the medical industry. With proven performance and unsurpassed experience we are an established leader in precision manufacturing of standard and customized gears, mechanical components and complex gear assemblies. We look forward to working with you!
SDP/SI manufactures metal and nonmetallic pulleys in a variety of profiles, sizes, styles and numbers of teeth. To ensure long life and quiet operation in your application our pulleys are made to the exact timing belt profile. To complete your drive system, get your timing belts from SDP/SI.
SDP/SI specializes in timing belt and pulley drive systems. Offering a wide range of mechanical component options we also perform secondary operations and complete custom design and manufacturing. We look forward to working with you!
Fasten rotating components to a shaft quickly. Because of its uncomplicated 2-piece design, the Shaftloc® Fastener is easy to install and is low cost. Since there are no set screws, it can be reused and adjusted repeatedly without damaging the shaft.
High-quality special purpose screws provide problem solving benefits. SDP/SI adds stainless steel and alloy steel with black oxide or nickel plating captive screws, low profile screws, miniature captive screws and small head diameter screws. Satisfy all your mechanical component requirements at SDP/SI. Download product specifications and request our latest catalog, a must have reference...
Uniquely designed flexible coupling provides problem solving benefits. SDP/SI adds flexible couplings that resolve vibration while operating in a high-speed servo system at high gain settings. Satisfy all your mechanical component requirements at SDP/SI. Download product specifications and request our latest catalog, a must have reference tool.
SDP/SI specializes in linear motion applications, manufacturing precision shafting in steel and stainless steel to tight dimensional tolerances and exceptional straightness. Customized options such as grooves, lengths, diameters, finishes and special features are available.
SDP/SI expands timing belt inventory, dramatically lowering lead times. As a global leader in development and manufacture of timing belt and pulley drive systems our increased inventory levels address our customers' needs for quick trunaround. Timing Belts cut and shipped in less than a week.
Replace conventional gearboxes or speed reducers with the highly-efficient Traction Drive. Reducing motor torque ripple up to 84%, these drives are available with an optional overriding clutch. Standard NEMA mounting dimensions allow for easy integration into new or existing applications. These drives are ideal for power transmission and motion applications.
Precision shaft differentials manufactured by SDP/SI, feature built-in anti-backlash characteristics for eliminating play in shaft rotations. Identified as part number S9540A-TS9, the differential provides a high level of precision in instrument drives and is particularly effective at adding and subtracting shaft rotations in servo systems.
Stock Drive Products/Sterling Instrument (SDP/SI), a leader in providing mechanical based engineering and manufacturing services for small power transmission applications, recently expanded their offering of miniature belt and pulley drive components to meet increasing demand.
SDP/SI provides single and double core posi-drive belts and sprockets for applications that require accurate positioning. The system also operates with no backlash, which is essential for applications that require no lost motion. 3D printers can benefit from this advantage, since more precise positioning will result in better quality parts.
Made of wear-resistant polymer and shock-resistant reinforced plastic, these bearings are lightweight, vibration dampening and provide excellent performance in moisture, chemicals and dusty environments. Strong and durable, they have a high strength-to-weight ratio and long service life.
A series of shaft collars manufactured by Stock Drive Products (ISO 9001 + AS9100D Registered) incorporate a built-in bearing shim spacer and feature the Fairloc® integral hub fastener. These collars are available in stock for immediate delivery in brass and stainless steel.
Constant force extension springs are designed to be used in any application that requires a smooth, even, uniform load through the entire length of travel (deflection) for retracting or extending.
Precision anti-backlash gears manufactured by Stock Drive Products/Sterling Instrument,ISO 9001 + AS9100 certified, feature the exclusive Fairloc® integral hub which allows precise positioning on the shaft. These gears are compact, self-contained and offer a small gear hub envelope.
Designed for miniature applications the SDP/SI right angle gear drives feature lightweight, non-corrosive, all metal construction. Identified as the A 2Z1A-... series, the standard mount gear drives are made of anodized aluminum housings and hardened steel helical gears. Also offered are base-mounted and panel-mounted miniature right angle helical gear drives with a fiberglass rei...
SDP/SI specializes in Synchronous Drive Components and Assemblies. MXL timing belts and pulleys are designed for light-duty power transmission and limited space applications. The reinforced neoprene and polyurethane MXL Timing Belts are offered in standard widths, 1/8", 3/16", 1/4", 5/16" and 3/8", customized widths can be cut from available belt material to meet your needs.
Aluminum-acetal gears, manufactured by SDP/SI feature the patented Fairloc® integral hub fastening system which eliminates marred shafts. These AGMA Q10 and ISO Class 7 gears are identified as the S1268Z -...M series.
Precision gear & dial hubs from SDP/SI are designed to fit gears or dials and eliminate keys or splines. Identified as the S2F06Y-.... series, these 303 stainless steel hubs feature our patented Fairloc® design. The compact self-contained design is perfect when hub O.D. is limited.
Stock Drive Products / Sterling Instrument offers an ISO class series of 5 rectangular ground racks and joining gauges in Modules 0.5, 0.8, 1, 1.5, and CP 2 and 5. Gear racks are used to convert rotational motion into linear motion. In theory, a rack is an unrolled gear with an infinite pitch diameter. A rack will mesh with all gears of the same pitch.
SDP/SI offers a new, low backlash variant on its existing line of multi-plate in-line slip clutches. Both versions feature an all mechanical design, which makes them considerably cheaper than electromechanical alternatives. Identified as the S98CA7-... series, these low backlash clutches are perfect when precision is required and space is limited.
Anti-backlash gears manufactured by SDP/SI (ISO 9001 + AS9100D Registered) feature an effective way to eliminate backlash in gear trains that include small-diameter gears. Designated as pin-type mini-lash gears, each gear is composed of a set of two gear halves that give the appearance of a split gear.
Identified as the A 6H25-... inch series and the A 6H25M... metric series, these 5 mm pitch HTD® timing belt pulleys, for 9 mm (.354") wide belts are available from off-the-shelf stock in single or double flange styles. They are designed to fit onto shafts that range from 3/16" to 5/16" (4 mm to 8 mm) in diameter. The number of grooves per pulley ranges from 11 to 50.
Bellows couplings from SDP/SI incorporate the patented integral Fairloc® hubs which feature built-in overload protection, full use of the bore, easy adjustment, eliminates marred shafts, and offers a compact self-contained design. These couplings correct for angular and parallel axis misalignment, provide zero backlash, offer constant angular velocity, and dampens vibration and noise.
Commercial and precision spur gears manufactured by Stock Drive Products/Sterling Instrument are produced to ISO Class 7 specs and stocked in a wide variety of materials including stainless steel, aluminum, aluminum alloy, nylon, acetal, brass and steel. Our spur gears are available in 120, 96, 80, 72, 64, 48, 32, & 24 Pitch with pressure angles of 20° degrees and 14-1/2° deg...
SDP/SI's Miniature Fairloc® bellows couplings are zero backlash, easy to install and corrects for angular and parallel axis misalignment. Readily repositioned, the miniature couplings dampen vibration and noise making them a perfect choice for medical device manufacturers.
These shaft reducers and extenders from SDP/SI eliminate the need for special shafting. There are 20 inch and 27 metric size stainless steel adapters, identified as the S52FCY-... inch series and S52FCYM... metric series, are high precision, with tight tolerances on bores, shank and bore/shank concentricity. The female end of the adapter is designed to fit shaft diameters r...
SDP/SI offers an off-the-shelf series of inch and metric size splined sleeve type flexible couplings that offer torsional resiliency to absorb load pulsations and shocks in instrumentation applications. The couplings can accommodate up to 7 degrees of angular misalignment and transmit up to 1/2 hp at 1750 rpm.
Miniature, compact design pillow block ball bearings are ideal in applications with limited space. With an aluminum housing, stainless steel bearing and double shielding, they have excellent corrosion resistance, making them suitable for medical, scientific and pharmaceutical applications.
A new series of inch couplings from SDP/SI feature unique lattice design allows for very large axial, radial, and angular misalignments while transmitting high torque loads with zero backlash. The 34 couplings identified as the S50CLM-... and S50CLP-... inch series, feature a maximum angular offset of 7°. A complete series of 24 metric lattice couplings with similar spe...
Stock Drive Products / Sterling Instrument (ISO 9001 + AS9100D Registered) offers a wide selection of bearings in many different styles to fit your application. Of particular interest are the A 7Y55-... inch series of ABEC 3 ball bearings. These bearings are suitable for commercial applications that require low friction movement.
Stock Drive Products/Sterling Instrument is one of the largest suppliers of timing belts and pulleys worldwide. We offer a wide selection of timing belt profiles, belt widths and materials from stock. Custom widths can be quickly cut and shipped from our available sleeving. Off-the-shelf metal and plastic pulleys are also available or can be manufactured to your specific requirements.
Identified as the A 6A23-... and A 6D23-... inch series, and A 6A23M... and A 6D23M... metric series, these HTD® pulleys are made of clear anodized aluminum alloy and are available from stock in 10 to 80 grooves. They feature Fairloc® hubs which offers the benefits of frequent position adjustment, while adding positive metal-to-metal fastening strength...
SDP/SI (ISO 9001 + AS9100D Registered) offers several different series of pulleys for 1/5" small pitch timing belts. They offer positive, efficient power transmission for belt drives, with no slip or backlash and minimal vibration. These pulleys are designed to operate with synchronous toothed belts.
SUPER-PLAST® molded universal joints offer the best of both worlds: the economy of plastic, and the fastening characteristics of metal-to-metal contact. Developed for a wide variety of instrumentation applications, these joints have thick-walled molded plastic hubs for a lightweight, durable and economical design.
Precision internal gears from Stock Drive Products / Sterling Instrument (ISO 9001 + AS9100D Registered) are available from stock in inch and metric sizes. These 20° pressure angle inch gears are offered in 303 stainless steel or 2024-T4 anodized aluminum. The metric gears in Modules 0.5, 0.8, & 1 are ISO Class 7 and are stocked in 5, 8 & 10 mm face widths.
SDP/SI's lead screw selection is vast, with many different diameters, lengths, and number of starts available, as well as left-hand threads for certain sizes. The nuts come in several different materials and styles, including anti-backlash, ensuring that every linear motion application can be fitted with just right part.
Plastic cam followers, identified as the S7NSRY-... series, are designed to transmit motion and carry load in today's high-speed and light-duty machines in medical, packaging, and semi-conductor equipment. These cam followers allow clean operation and will not contaminate product or surroundings with lubricant or metal flakes.
SDP/SI offers a large selection of precision ground shafting to fit a wide variety of applications. With straightness as low as .0002 inches per inch, they provide highly precise alignment where necessary. Diameters start as low as .0311”, and shaft lengths as low as 1”, so they can be used for miniature applications as well.
A new series of Synchromesh Cable Drives introduced by SDP/SI are uniquely designed for positive traction to replace conventional ropes, simple cables and cog drives, especially where tight space is an important factor. Synchromesh cables can be used with lower tension when compared with ropes which reduces power consumption.
Precision machining gears and mechanical components SDP/SI produces parts and assemblies used in the building of satellites, military and commercial jets, and space exploration. Whether it is standard components or custom gears, and intricate gear assemblies, attention is paid to every detail ensuring it will meet all your expectations.
SDP/SI specializes in precision gears. Our in house engineering and manufacturing groups work closely with your design and product development teams to ensure the end result meets your expectations. For gears and custom built gear assemblies we have the experience, qualified personnel, reliability, and equipment to take your design from prototype to production.
SDP/SI manufactures gears, mechanical components, and complex gear assemblies for many of the most well-known names in aerospace, medical and robotics. Engineering and manufacturing processes are done in house, giving us better control over lead times and responsiveness to our customer's requests. See what we can do for you!
Drawing from 70 years of gear and small mechanical component manufacturing experience, customers benefit from our expertise. Design improvements may include a more streamline design, smaller and lighter weight, and better manufacturability leading to cost saving benefits. Our engineers look forward to working with you – let’s talk about your next project!
News articles and press releases for Stock Drive Products & Sterling Instrument - SDP/SI:
Replace conventional gearboxes or speed reducers with the highly-efficient Traction Drive. Reducing motor torque ripple up to 84%, these drives are available with optional overriding clutch. Standard NEMA mounting.
SDP/SI expands timing belt inventory, dramatically lowering lead times. As a global leader in development and manufacture of timing belt and pulley drive systems our increased inventory levels address our customers’ needs for quick turnaround.
SDP/SI acquires a 3D printer to get engineers projects into production faster. Primarily used for prototypes and low volume production, this machine has the ability to produce high-accuracy components to more complex drive assemblies.
SDP/SI meets all certification requirements of the ISO 9001:2015 + AS9100D standard, maintaining processes that provide precision components and assemblies for the aerospace and defense industries. Make SDP/SI your engineering and manufacturing partner.
The 1280-page catalog features product specifications and technical data for thousands of mechanical components, including precision gears, timing belts, pulleys, shafting, bearings, couplings, and more. Catalog is offered free upon request.
Stock Drive Products/Sterling Instrument will be moving to a brand new world-class engineering and manufacturing facility later this year.
Stock Drive Products (ISO 9001 Registered Manufacturer) is proud to announce the addition of the Mori Seiki Dura Vertical 5100 5-axis mill to their advanced line of machining centers.
SDP Adds a 9-Axis Swiss Type Automatic Lathe from Star CNC To Their Extensive Array of CNC Machining Centers
Stock Drive Products / Sterling Instrument - SDP/SI announces the donation of components to Team SpacePRIDE for the NASA Lunar Rover Challenge 2013 enabling the team to better compete by improving robotic and automation technology for space applications.
A new linear guide rail system from Sterling Instrument (ISO 9001:2000+AS9100C Registered Manufacturer) features heavy-duty, low wear, low friction, quiet, maintenance- free operation, without the need for lubrication.
Commitment to Sterling Instrument customers’ spearheads decision to proceed with certification of Class 10000 Clean Room.
Sterling Instrument, an ISO 9001:2008 and AS9100C Certified manufacturer of...
A new series of precision gear & dial hubs from Sterling Instrument (ISO 9001:2008+AS9100C Registered Manufacturer) are designed to fit gears or dials, plus eliminate keys or splines.
The new D810 Inch Catalog, a completely easy-to-use book that includes new products, detailed indexes, and comprehensive technical data. It features over 87,000 components including an entirely new section of industrial quality leveling foot mounts
A new series of solid and hollow metric shafting from Stock Drive Products (ISO 9001 Registered Manufacturer) are designed for a myriad of useful applications.
A new series of right angle helical gear drives from Stock Drive Products (ISO 9001 Registered Manufacturer) feature base or panel mount design.
A new series of pressure locking hub connectors from Sterling Instrument (ISO 9001+AS9100 Registered Manufacturer) are designed for fast and accurate repositioning of the hub. Radial screw positioning saves space along the shaft.
A new series of RTX precision planetary gearheads from Sterling Instrument (An ISO 9001+AS9100 Registered Manufacturer) feature high torque design, and are offered in standard NEMA sizes 60 and 90.
Stock Drive Products/Sterling Instrument is proud to introduce the new D805 Metric Catalog, a completely easy-to-use book that includes new products, detailed indexes, and a comprehensive 233-page technical data section.
Stock Drive Products (ISO 9001:2000 Registered Manufacturer) announces a new series of 1 mm pitch polyurethane timing belts, designed for miniature applications and to run with the new 1 mm pitch timing belt pulleys. Offered with Kevlar® cord rein...
Stock Drive Products/Sterling Instrument is proud to introduce the new D805 Metric Catalog, a completely easy-to-use book that includes new products, detailed indexes, and a comprehensive 233-page technical data section...
A new series of hollow-shaft right angle helical gear drives from Sterling Instrument (ISO 9001+AS9100 Registered Manufacturer) feature built-in keyways plus left- or right-hand rotation.
Fastening rotating components to shafts becomes easier by incorporating Fairloc®, the integral fastener. To demonstrate this unique, all in one fastening device, SDP/SI has produced a to minute video entitled “Fairloc® , The Integral Fastener”.
The new M-Type (Inch) (Metric) Shaftloc® from Stock Drive Products-SDP is used as a locking device for rigidly mounting hubless gears, sprockets, pulleys, cams or any thin walled components onto an inch or metric shaft.
A new series of magnetic clutches & couplings from Sterling Instrument (An ISO 9001:2000+AS9100B Registered Manufacturer) features no friction or wearing parts, uses no electricity and no magnetic particles to leak.
New PowerGrip® TruMotionTM Timing Belts from Stock Drive Products/Sterling Instrument features timing belts with polymer-free nylon tooth facing for clean running performance...
A new series of magnetic clutches & couplings from Sterling Instrument (an ISO 9001 manufacturer) features no friction or wearing parts, uses no electricity and no magnetic particles to leak.
An expanded line of miniature right angle drives manufactured by Stock Drive Products are designed for fractional and subfractional horsepower applications. They are available from stock with inch or metric shafts and feature maintenance-free...
A new series of magnetic clutches & couplings from Sterling Instrument (an ISO 9001 manufacturer) features no friction or wearing parts, uses no electricity and no magnetic particles to leak.
A new series of Synchromesh Cable Drives introduced by Stock Drive Products are uniquely designed for positive traction to replace conventional ropes, simple cables and cog drives, especially where tight space is an important factor.
A new series of 16 timing belt clamps from Stock Drive Products (an ISO 9001 manufacturer) for long span reciprocating synchronous drives.
A new line of stainless steel leaf spring type vibration mounts introduced are designed for use with various rotating and/or reciprocating devices which include laboratory equipment, compressors, engine suspensions & communications equipment.
New constant force arbor-mounted spring-stocked in Steel or Delrin housing, and are designed for use in any application requiring a smooth and steady force for retracting or returning, such as in door and drawer closers, clamps...
A new series of 38 natural rubber rings and bushings introduced by Stock Drive Products are designed for noise suppression in typewriters, printers, copiers and other precision office or lab equipment.
New Hyde Park, New York - A new series of six right angle ratio drives manufactured by Stock Drive Products feature non-corrosive all metal construction for use in a wide variety of instrumentation applications.
A new line of compact base-mounted spring-powered reels from Stock Drive Products are designed for counterbalancing, retrieving, retracting and product security applications such as door closers, cable retractors, hose retrievers, tool head returns...
A new series of 6 light-duty (up to 37 lbs.) vibration isolators are designed to cushion shock & isolate low frequency vibration. Applications include office machines, fans, blowers, pumps, air conditioners, heating plus electronic and scientific...
A new series of worm gear speed reducers manufactured by Stock Drive Products feature all metal construction for use in a wide variety of instrumentation applications.
A new series of 7 inch and 7 metric bellows couplings manufactured by Sterling Instrument feature the patented Fairloc® integral hub fastening system which eliminates marred shafts.
These 7 flange-mounted brakes, identified as the S90BF9 Series, range in static torque ratings from 5 lb. in. to 125 lb. in. Nominal resistance ranges from 43 to 128 ohms.
A new series of 24 spring wrapped slip clutches introduced by Sterling Instrument are ideal for use as tensioning mechanisms for film transports, tape drives or coil winding equipment.
New series of 6 miniature slip clutches by Sterling Instrument feature a unique multiplate design plus special friction materials that enable the units to apply the correct preset or adjustable torque from the 1st cycle to over 25,000,000 cycles.
Expanded series of wave spring washers from Stock Drive Products (an ISO 9001 manufacturer) are stocked in Stainless Steel and Beryllium Copper.
A new line of off-the-shelf metric external, internal and E-type retaining rings have been introduced by Stock Drive Products to meet an increasing U.S. demand. There are 56 of the most commonly used ..
A new series of 11 grooveless external retaining rings from Sterling Instrument (an ISO 9001 manufacturer) are designed for use on ungrooved shafts, bosses, tubes and studs.
A new series of Flexi-Hinge™ devices from Sterling Instrument offer optimum solutions to many of today's engineering problems including their use in: optical mounts, belt tensioners, linear positioners and sensitive measuring instruments.
The gradual U.S. conversion to metric has been simplified with the introduction of an expanded series of 99 precision ground off-the shelf metric shafts designed for instrument and light machinery applications.
An expanded series of 17 stainless steel .1475 Pitch miniature chain sprockets by Stock Drive Products are designed for low-cost applications provide a high degree of position control, low backlash, good tensile strength, as well as corrosion resistance.
A new ultraminiature inch and metric .1475" Pitch (3.7465 mm Pitch) molded roller chain is used extensively in severe environment and food processing applications where its noncorrosive, solvent-resistant and nonmagnetic properties are far superior ...
Constant force extension springs from Stock Drive Products are designed for use in any application requiring a smooth and steady force for retracting or returning, such as in door and drawer closers, clamps, bands and clips.
New constant force arbor-mounted spring-powered reels from Stock Drive Products (an ISO 9001 manufacturer) stocked in Steel or Delrin housing. They are designed for use in any application requiring a smooth and steady force for retracting or returning..
A new series of shaft collars by Sterling Instrument incorporate a built-in bearing shim spacer and feature the Fairloc® integral hub fastener and identified as the S25FB9 (Brass) and S25FY9 Series (303 Stainless Steel), are stocked for immediate delivery
A new series of Grip Fast™ quick release shaft collars from Stock Drive Products (an ISO 9001 manufacturer) are self-locking, quick release collars that can be removed or adjusted in seconds using only one hand, without tools.
An expanded series of splines and splined bushings from Stock Drive Products offer an inexpensive and efficient way to transfer high transmission torques from shafts to gears, pulleys and other components, or to couple two shafts together.
An expanded Series of 1/5" and 40 diametral pitch SUPER-PLAST® molded synchronous drive pulleys from Stock Drive Products are reinforced with metal inserts to offer the lightweight advantages of plastic along with the metal-to-metal fastening advantages..
new series 2 mm Pitch GT®2 aluminum timing belt pulleys for 6 mm (.236") belts manufactured by Stock Drive Products (an ISO 9001 manufacturer)
A new series 3 mm Pitch HTD® aluminum timing belt pulleys for 6 mm (.236") belts manufactured by Stock Drive Products (an ISO 9001 manufacturer) feature the patented Fairloc® integral hub fastening design which eliminates the need..
A new series of 67, 1/5" Pitch timing belt pulleys, for 3/8" wide belts, manufactured by Stock Drive Products feature the patented Fairloc® integral hub fastening system. The choice of Fairloc® rotating component fastening system helps phase adjustment...
A new series .080 Pitch Aluminum MXL timing belt pulleys for 1/4" belts, manufactured by Stock Drive Products (an ISO 9001 manufacturer), feature the patented Fairloc® integral hub fastening design...
A new series of 28 Frelon lined plain and flanged sleeve bearings from Sterling Instrument (an ISO 90001 manufacturer) can tolerate up to 1,500 psi over the portion of the bearing that is carrying the load.
An expanded series of 97 Frelon lined linear bearings from Sterling Instrument (an ISO 9001 manufacturer) can tolerate up to 1,500 psi over the portion of the bearing that is carrying the load.
An expanded line of linear ball bearings from Sterling Instrument (an ISO 9001 manufacturer) is stocked in both U.S and European standard specifications.
Two new series for flange mounted pressbearings from Stock Drive Products (an ISO 9001 manufacturer) feature Teflon filled acetal or oil impregnated sintered bronze bearings.
A new series of inch linear ball bearings utilizing endlessly recirculating balls are available from Sterling Instrument (An ISO 9001 manufacturer) in standard and heavy duty types and in open, closed and adjustable styles. Identified as the S99L Series.
Two new series of self-clinching pressbearings from Stock Drive Products (An ISO 9001 manufacturer) feature Teflon filled acetal or oil impregnated singered bronze bearings.
A new series of 34 plain and flanged inch size ball bearings from Stock Drive Products (an ISO 9001 manufacturer) feature an extended inner ring to provide greater torsional stability.
A new series of 54 pillow blocks from Sterling Instrument (an ISO 9001 manufacturer) feature Frelon® lined Anodized Aluminum bearings which carry 4 to 8 times the load of ball bearings.
A new series of Hydro-Dynamic pressure bearings from Sterling Instrument (An ISO 9001 manufacturer) feature high speed and quiet operation.
A new series of hydro-dynamic pressure bearings from Sterling Instrument (an ISO 9001 manufacturer) feature a 30% weight saving along with lower cost when compared with conventional ball bearings.
A new series of 34 extended inner ring bearings from Stock Drive Products offer optimum solutions to many of today's engineering problems including their use in: optical mounts, belt tensioners, linear positioners and sensitive measuring instruments.
A new series of ultra miniature inch and metric 3.117mm pitch molded chain drives from Stock Drive Products are used where limited space and weight are important: such as servo drives to stylus or pen carriages in recorders and X-Y plotters..