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Stearns – Motor Brakes, Clutch Products

Stearns_Rexnord Brand LogoISC Companies and Adams-ISC can supply the Stearns products listed on this page and others found on stearnsbrakes.com. For more information or for a product quote, please contact us by phone 763-559-0033, by email [email protected], or by filling out our online contact form.

Stearns, a brand of Regal Rexnord, offers a comprehensive line of standard and special AC and DC industrial brakes and clutches. Stearns brakes are known for their reliability in a wide range of industries including food and beverage, cement and aggregate, agriculture, crane and hoist, material handling, mining and packaging, to name a few. Common applications include feed systems, mining conveyors, bridge cranes, hoists, jack up rigs,  baggage handling conveyors, material handling lifts, and more.

Motor Brakes

NEMA Frame

NEMA C-face brakes are designed to allow for direct mounting with coupled equipment. They are commonly used on pump, oil burners and gear reducers.

SAB 48100 SeriesSAB 48,100 Series

SAB 56200 SeriesSAB 56,200 Series

SAB 56500 SeriesSAB 56,500 Series

SAB 56900 SeriesSAB 56,900 Series

SAB 86000 SeriesSAB 86,000 Series

SAB 87100 SeriesSAB 87,100 Series

AAB 321-9 Series

AAB 330 Series

AAB 350 SeriesAAB 350 Series

SAB 56000 SeriesSAB 56,000 Series

SAB 56300 SeriesSAB 56,300 Series

SAB 56600 SeriesSAB 56,600 Series

SAB 81000 SeriesSAB 81,000 Series

SAB 86100 SeriesSAB 86,100 Series

SAB 87700 SeriesSAB 87,700 Series

AAB 322-8 Series

AAB 330 SeriesAAB 331 Series

AAB 361 SeriesAAB 361 Series

SAB 56100 SeriesSAB 56,100 Series

SAB 56400 SeriesSAB 56,400 Series

SAB 56700 SeriesSAB 56,700 Series

SAB 82000 SeriesSAB 82,000 Series

SAB 87000 SeriesSAB 87,000 Series

AAB 321-8 Series

AAB 322-9 Series

AAB 333 Series

Servo Motor Brakes

A servo motor brake offers a compact spring set, power-off brake, designed to hold the driven load or to provide dynamic braking. Features include low backlash, class H insulation, corrosion-resistant finishes, low inertia rotating parts, and a splined hub for quiet, dependable operation.

AAB 310 SeriesAAB 310 Series

AAB 311 SeriesAAB 311 Series

Small Gear Motor Brakes

Gear motor brakes are power off style brakes designed to stop or hold a load that is coupled to the armature hub assembly. In the event of power failure, the brake would engage. They are most commonly used in commercial duty for small gear motors.

AAB 320 SeriesAAB 320 Series

Stearns AAB 321 322 SeriesAAB 321 Series

AAB 322 Series

Metric Mount Motor Brakes

The International Electrotechnical Commission (IEC) is the world’s leading organization that prepares and publishes International Standards for all electrical, electronic, and related technologies.

AAB 330 SeriesAAB 330 Series

AAB 331 Series

AAB 333 Series

Hazardous Location Motor Brakes

Stearns manufactures a complete line of disc brakes designed from the hazardous locations defined in the National Electric Code (NEC). They provide protection from explosive gases or ignitable dusts in rigorous industrial environments.

SAB 56800 SeriesSAB 56,800 Series

SAB 87300 SeriesSAB 87,300 Series

Encoder SAB 87300 SeriesEncoder SAB 87,300 Series

SAB 65300 SeriesSAB 65,300 Series

SAB 87800 SeriesSAB 87,800 Series

SAB 82300 Series Foot MountedSAB 82,300 Series Foot Mounted

SAB 82300 SeriesSAB 82,300 Series

SAB 82300 SeriesEncoder SAB 82,300 Series

SAB 87,300 Series Foot Mounted

Foot Mounted with Bearing Supported Thru-Shaft Motor Brakes

Foot mounted brakes are designed with dual shafts that can be coupled to the drive shaft, pulley, or sprocket. They are most commonly used in large machinery applications.

SAB 56703 SeriesSAB 56,703 Series

SAB 87200 SeriesSAB 87,200 Series


SuperMod Clutches

SuperMod are designed to increase flexibility and reliability and come in clutch-brake, clutch only or brake only configurations.

Brake OnlyBrake Only

Clutch BrakeClutch Brake

Clutch OnlyClutch Only

Heavy Duty Clutches

Offered in both spring engaged (power-off) and electrically engaged (power-on) platforms, Stearns heavy duty product provide the heavy lifting and holding in a variety of applications, including steel mills, and bridge lifts.

Style EStyle E

Style SCEB Class S3Style SCEB Class S3

Style E Class SStyle E Class S

Style SCE Class S3Style SCE Class S3

Shaft Mounted Clutches

Thru-shaft mounted unit with bearing supported stationary field provides clutching function for two parallel shafts when a sheave or sprocket is installed.

CCC Clutch-Clutch CouplingCCC Clutch-Clutch Coupling

CRP Clutch-Roto Sheave CRP Clutch-Roto Sheave

CRP Clutch-Roto Sheave CRS Clutch-Roto Sprocket

SINPAC Electronic Start Switches

SINPAC switches are designed to replace mechanical centrifugal switches for switching between the start and run winding for single phase AC electric motors. These are a reliable solid state replacement of the mechanical switch. Common applications include pumps, ovens, commercial laundry, and compressors.


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ISC Companies and affiliate Adams-ISC are industrial distributors of bearings and mechanical power transmission parts. We have many different models and brands in stock for fast delivery. Our sales professionals are happy to assist you in the selection process to ensure the correct part is specified for your application. Get a quote by clicking below on “Request Pricing” and filling out the contact form or give us a call at 1-800-627-9434.

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