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1070921693 (SF-A4.0091.060-04.050)

SF Servo Motors

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The synchronous servomotor MPN 1070921693 (SF-A4.0091.060-04.050) is a brushless unit in the Bosch Rexroth SF series, identified by a design suffix A and frame size 4. It utilizes two NTCs for thermal regulation and operates at speeds up to 6000 RPM. This model incorporates a smooth shaft with keyway and feather key, a holding brake with a moment of inertia of 3.1 × 10-4 kgm², and is supplied with a 24V ±10% voltage for the brake. The shaft diameter is 24 mm with a length of 50 mm. The motor uses Class F insulation, is equipped with durable ball bearings rated for at least 20,000 hours, and weighs 13 kg without the brake. Cooling is achieved via convection or radiation, and the operational temperature range is 0°C to 40°C. No mating connector is included. The encoder type is STG/MTG and the locked rotor current is 9.1 A.

Technical Specifications

Design Suffix
A

Frame Size
4

Temperature Control
2 NTCs

Flange Precision
N-type

Balance Quality Category
G

Drive Shaft
Smooth with Keyway and Feather Key

Operation Speed
6000min-1

Holding Brake
No backlash, permanent magnets

Electronic Rating Plate
Present

Secondary Nameplate
Present

Operating Temperature Range
0°C - 40°C

Cooling Method
Natural Convection or Radiation

Insulation
Class F (as per VDE 0530 specifications)

Service Life of Ball Bearings
Minimum 20,000 hours

Brake Moment of Inertia
3.1 x 10-4kgm2

Brake Rated Current
0.7A

Motor Supply Voltage
24V +/-10%

Encoder type
Single-turn Absolute Value

Physical Dimensions
246mm

Weight
13kg without holding brake

Shaft Diameter
24mm

Shaft Length
50mm

Brake Operation
Fail-safe

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1620 Old Apex Road
Cary, NC 27513, USA

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We offer a repair service for the SF-A4.0091.060-04.050.

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Indramat USA
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.