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Stock Drive Products and Sterling Instrument were founded by engineers, Established in 1960. Precision Gears, Precision Bearings, Precision Couplings, Precision Differentials, Precision Drive Components, Gearheads, Speed Reducers, Hardware, Linear Motion Systems, Motors, Gearmotors, Right Angle Drives, Universal Joints, Anti Vibration Mounts
Products: Gears, Drive Components, Shafting and Shaft Accessories, Bearings, Couplings. Quote Request, Engineering Tools, RoHS Compliant Download, Featured Products and Trade Shows. Buy Online About us:  Stock Drive Products/Sterling Instrument strives to be the best manufacturers of quality electromechanical components & assemblies. Capabilities:  Machinery List, Facility Brochure, Facility Tour, Engineering Tools, RoHS Statement. At Stock Drive Products/Sterling Instrument, our experienced engineering, manufacturing & inspection teams are dedicated to producing a quality component at a competitive price. Catalogs: Request A Catalog & View and Download Catalogs. Contact Us: Directories, Domestic Sales Representatives and International Sales Representatives Home
 
Precision Drive Components: Timing Belts, Timing Belt Pulleys, Sprockets, Roller Chains, Ladder Chains, Idler Pulleys, Posi-Drive Belts, Posi-Drive Pulleys, Idler Pulleys, Shaftloc

Timing Belts, Timing Belt Pulleys, Sprockets & Chains

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Precision Couplings: Precision Bellows Couplings, Precision Flexible Couplings, Precision Helical Couplings, Magnetic Disc Type Couplings, Oldham Couplings, Rigid Couplings

Couplings

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Precison and Commercial Components


Over 130,000 Precison & Commercial Components are available such as:
Precision Gears
, Timing Belts, Timing Belt Pulleys, Fairloc® Products, Precision Couplings, Conidrive® Self-Guiding Drive System, Precision Gearheads, Right Angle Drives, ShaftLoc® Products, Speed Reducers, TruMotion® Timing Belts, Multipurpose Feed & Idler Rollers, Roller Chains, Brakes, Clutches, Flexible Shafts, Gear Clamps, Sleeves, Shafts & Accessories, Universal Joints, Bearings, Linear Motion Components, Machine Screws, Precision Motors & Gearmotors, Retaining Rings, Pins, Precision Sprockets, Springs & Vibration Mounts

SDP/SI offers a variety of Design and Manufacturing services including: Gear Cutting, Turning, Milling, and Molding.
Stocking & Shipping millions of drive components. We can modify our
standard catalog parts to your 
specifications or produce complete custom components for you. SDP/SI uses state-of-the-art CNC production facilities to enable us to keep our custom prices very competitive. For modified standard catalog parts or custom components please call our Application Engineers and/or describe your part on the RFQ form. You may also E-mail drawings to our Application Engineers. 

As a full service manufacturer, we
offer the capability of precision machining of components for the instrument, electronics, laser, missile, medical, aircraft, and computer industries, as well as other related applications.
Precision Bearings: Precision Ball Bearings, Bearing Blocks, Linear Ball Bearings, Hydro Dynamic Pressure Bearings, Needle Roller Bearings, Pressbearings, Sleeve Bearings, Spherical Bearings, Pillow Blocks, Rod Ends

Bearings

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Precision Brakes and Clutches: Hystersis Brakes, Metal Particle Brakes, Permanent Magnetic Brakes, Power-Off Brakes, Power-On Brakes, Electromagnetic Clutch Couplings, Roller Brakes, Electromagnetic Slip Clutches, Mechanical Inline Slip Clutches

Brakes & Clutches

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Precision Differentials

Differentials

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Precision Gearheads and Speed Reducers

Gearheads &
Speed Reducers

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Hardware: Constant Force Springs, Dials, Nuts, Pins, Retaining Rings, Screws, Spring Powered Reels, Washers,

Disc Dials , Retaining Rings
& Washers

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Linear Motion Systems: Adapter Bushings, Carriages and Guide Rails, Guide Wheels, Steel Track

Linear Motion Systems

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Miscellaneous Components: Cams, Precision Differentials, Electromechanical Limit Stops, Flexi-Hinge, Feed Rollers, Idler Rollers, Synchro Clamps

Constant Force Springs,
Cams, Feed Rollers, Idler Rollers & synchro Clamps

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Precision Motors and Gearmotors: A.C. Gearmotors, D.C. Gearmotors, Stepper Motors

Motors & Gearmotors

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Precision Right Angle Drives: Precision Right Angle Helical Gear Drives, Precision Right Angle Worm & Bevel Drives

Right Angle Drives

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Precision Shaft and Shaft Accessories: Ball Nuts, Bore Reducers, Bushings, Fairloc Shaft Collars, Collars, Precision Shatfs, Shaft Reducers and Extenders, Shaftloc, Telescoping Ball Splines

Shafts &
Shaft Accessories

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Precision Universal Joints: Telescoping Universal Joints, Zero Backlash Universal Joints

Universal Joints

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Anti Vibration Mounts: Base Mounts, Conical Bumpers, Cup Mountings, Cylindrical Mounts, Damped Spring Mounts, Elliptical Spring Mounts, Finger Flex Assemblies, Leveling Carry Mounts, Silicone Gel Dampers

Vibration Mounts

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Foot Mounts: Polyamide Base Foot Mounts, Stainless Steel Base Foot Mounts, and Painted Steel Base Foot Mounts

Foot Mounts

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