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OVER 88,000 STANDARD
MECHANICAL COMPONENTS

Established in 1950, SDP/SI is the leading manufacturer
and supplier of high-quality machined parts, molded components, precision gears and gear assemblies.

















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Request your FREE Inch and Metric catalogs
more than 2,784 pages of parts, specifications and technical data















TIMING BELT & PULLEY DRIVES
Can be customized to your specifications
SDP/SI Engineers are power transmission design specialists




Industrial Timing Belts:
Standard Widths
Custom Widths

Cables Accessories:
Timing Belt Clamps
Timing Belt Tension Meters
Timing Belt Tensioners

Pulleys:
Offered in both metal and plastic to match belt profiles
Wide variety of miniature pulleys and matching timing belts.

Ladder Chain and Roller Chain:
For Light Duty to Heavy Duty Applications
Metal and Self-Lubricating Plastic

Sprockets:
Offered in metal and plastic
Sub-miniature, miniature and small sizes









GEAR DRIVES

Gears & Drives







Precision and Commercial Gears:
Standard & Custom
Spur Gears
Anti-Backlash Gears
Mini-Lash Gears
Helical Gears
Pinions
Gear Racks
Round Gear Racks
Internal Gears
Miter and Bevel Gears
Anti-Backlash Worm Gears
Worm Gears and Worms
Gear Clamps
Differentials
Planetary Gears
Speed Reducers/Increasers
Gearboxes
Custom Design
Precision Gear Cutting
Assembly









TIMING BELT & PULLEY DRIVES
MOTORS, GEARHEADS,
& MOTION CONTROL













DC Motors
DC Geared Motors
AGV Kits & AGV Geared Motors
Controllers
Integrated Motor Controllers
Gearheads
AC Motors
Sensors, Cables, & Misc. Components
Small Gearmotors









Right Angle Gear Drives

RIGHT-ANGLE
GEAR DRIVES &
SPEED REDUCERS

















Bevel Gearboxes
Worm and Bevel Gear Drives
Worm Gear Speed Reducers
Helical Gear Speed Reducers
Miniature Gear Drives
Standard Components and Build-to-Print Custom Parts and Assemblies









TIMING BELT & PULLEY DRIVES
SHAFT COUPLINGS






Rigid & Flexible Shaft Couplings:
Heavy-Duty Flexible Couplings
Miniature Bellows Type Flexible Couplings
Modular Bellows Type Flexible Couplings
(built to meet your specific need)
Powerful Magnetic Disk Couplings








GEAR DRIVES

Universal Joints



















TIMING BELT & PULLEY DRIVES
VIBRATION &
SHOCK MOUNTS






Miniature, lightweight shock absorbing components for instrumentation, camera mounts and other high-tech applications Heavy-duty machine mounts for industrial applications Vibration reduction mounts for HVAC









GEAR DRIVES

CLUTCHES & BRAKES











A wide assortment of clutches and brakes are offered to meet demand.
In-Line Slip Clutches providing adjustable torque
Spring-Wrapped Slip Clutches for long life and unidirectional or bidirectional operations
Magnetic Clutches operate in some of the most difficult environments







TIMING BELT & PULLEY DRIVES


Bearings 







Precision & Commercial Bearings:
Ball Bearings
Flange Mounted Bearings
Housing-Bearing & Pillow Block
Linear Bearings
Needle Roller Bearings
Pillow Block Bearings
Press-Fit Bearings
Rod End Bearings
Sintered Bronze Bars
Sleeve Bearings
Spherical Bearings
Thrust Bearings & Components





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