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Single-axis module
R37DRN90S4/DI/DFC
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Requested type designation:
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Gear unit design:
Motor type:
Country of use:
Motor power P [kW]
±
Your search: 1.1 kW
Search tolerance: -20% / +50%
Where to search: 0.88 kW - 1.65 kW
 
 
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 / 
Output speed na [1/min] / Gear ratio i:
±
Your search: 60 1/min
Search tolerance: -20% / +50%
Where to search: 48 1/min - 90 1/min
 
 
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 / 
±
Your search: No search
Search tolerance: -20% / +50%
 
 
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Service factor fB:
±
Your search: 1.15
Search tolerance: -20% / +200%
Where to search: 0.92 - 3.45
 
 
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Every gearmotor was assigned a service factor in the SEW catalog. The service factor is the ratio between gear unit rated power and rated motor power. There are no standards on how to determine service factors. This is why service factors vary from manufacturer to manufacturer and cannot be compared.


Example:

R47DRN90L4 / i=23,28 / Ma [Nm] = 225 / fB 1,3
R47 - Mamax [Nm] = 300
Mamax / Ma = fB
300 Nm / 225 Nm = 1,33 (~1,3)


Refer to the catalog for more information:

Number of poles:
Connection type:
International efficiency class (IE):
Communication type:
Preset AS-Interface profile:
Application level:
Safe communication:
Functional safety:
Encoder:
Supply voltage