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1070076679 (SF-A3.0093.030-00.050)

SF Servo Motors

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The Bosch Rexroth 1070076679 (SF-A3.0093.030-00.050) is a SF-series brushless synchronous servomotor designed with an absolute value single-turn encoder and sinusoidal EMF output. It features a compact, low-contamination aluminum housing with installation pockets along its length and a smooth shaft with safety markings, feather key, and keyway. The motor operates at a rated speed of 3000 min⁻¹, delivers a locked-rotor torque of 8.1 Nm, and has a torque constant of 1.35 Nm/A at 40°C. The encoder supports angular accuracy of ±20 arcseconds. Designed for IM B5 mounting, the unit functions optimally within ambient temperatures of 0°C to +40°C and with thermistors rated for -5°C to +155°C. Axial force up to 133 N is supported, bearings are rated for at least 20,000 hours, and standard convection cooling is used. The electronic rating plate is compatible with Servodyn-D inverters, and rated noise emission is below 58 dBA at 1 meter. The device operates with a DC link voltage of 670 V, utilizes an STG/MTG encoder, and is supplied without a holding brake or mating connector.

Technical Specifications

Product Type
Brushless Synchronous Servomotor

Operation
Sinusoidal EMF

Encoder Type
Single-turn Absolute Value

Frame Material
Aluminum

Design Feature
Installation Pockets

Shaft Type
Smooth Shaft with Safety Markings and Feather Key

Frame Size
3

Design Suffix
A

Operational Speed
3,000min-1

Locked-rotor Torque
8.1Nm

Noise Level
58dBA(at 1m)

Encoder Angular Accuracy
+/-20 Angular Seconds

Torque Constant at 40°C
1.35Nm/A

Construction Type
IM B5

Operational Temperature
0°C and +40°C

Output Side
Ball Bearings

Bearings Service Life
20,000 Hours

Shaft Specification
DIN 6885

Thermistor Temperature Range
-5°C to +155°C

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1620 Old Apex Road
Cary, NC 27513, USA

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1620 Old Apex Road
Cary, NC 27513
USA

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Toll Free: 1-888-551-3082
International: 1-919-443-0207

Indramat USA sells factory new and pre-owned surplus products and maintains channels to procure supply. Indramat USA is not affiliated with nor an authorized distributor or representative of any manufacturers, brands or products listed. Designated trademarks, brand names, and brands appearing herein are the property of their respective owners.