SRF3744-4266-84-5-56HC by Kollmorgen
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The SRF3744-4266-84-5-56HC is a DC motor manufactured by Kollmorgen. Part of the SR and SRF Permanent Magnet Motors series, it runs at 90 V DC and 9.3 A. It delivers 1 hp at 1750 RPM with a NEMA 42 frame and 1.375-inch shaft. It offers splashproof options, operates from -40 °C to 100 °C, and handles a 140 lb radial load.
Technical Specifications
Connector Type
MS Connector
MS Connector
Frame Size
NEMA 42
NEMA 42
Holding Torque
Variable based on model stack
Variable based on model stack
Insulating Bushing
Removable with 0.56 in internal diameter
Removable with 0.56 in internal diameter
L1 Max (length)
10.56 in [268.23 mm]
10.56 in [268.23 mm]
L2 (length)
2.19 in [55.63 mm]
2.19 in [55.63 mm]
Mounting Configuration
Round Mounting Configuration
Round Mounting Configuration
Output Type
Differential Line Drive
Differential Line Drive
Phase Resistance
Dependent on motor type
Dependent on motor type
Rated Current/phase
Variable based on configuration
Variable based on configuration
Rotor Inertia
Variable across models
Variable across models
Shaft Diameter
1.375 ± 0.01 in [34.93 ± 0.26 mm]
1.375 ± 0.01 in [34.93 ± 0.26 mm]
Shaft Loading (radial Force)
140 lbs
140 lbs
System Construction Options
Splashproof, Conduit Connections, MS Encoder
Splashproof, Conduit Connections, MS Encoder
System Operating Temperature Range
-40°C to 100°C
-40°C to 100°C
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1620 Old Apex Road, Cary, NC 27513, USA
Toll Free: 1-888-551-3082
International: 1-919-443-0207
Fax: 1-919-867-6204
Email: sales@automation-factory.com
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