RE 25 Ø25 mm, Graphite Brushes, 20 Watt

Part number 118751

RE 25 Ø25 mm, Graphite Brushes, 20 Watt
Price scales Quantity Price per unit
Prices excluding VAT and shipping costs 1-4 €272.73
5-19 €240.64
20-49 €203.00
from 50 On request


Technical illustrations

Information: Drawings are not to scale.

Values at nominal voltage
Nominal voltage 18 V
No load speed 10200 rpm
No load current 53.9 mA
Nominal speed 8850 rpm
Nominal torque (max. continuous torque) 22.9 mNm
Nominal current (max. continuous current) 1.46 A
Stall torque 220 mNm
Stall current 13.5 A
Max. efficiency 83 %
Terminal resistance 1.33 Ω
Terminal inductance 0.115 mH
Torque constant 16.3 mNm/A
Speed constant 586 rpm/V
Speed / torque gradient 48 rpm/mNm
Mechanical time constant 4.77 ms
Rotor inertia 9.49 gcm²
Thermal data
Thermal resistance housing-ambient 14 K/W
Thermal resistance winding-housing 3.1 K/W
Thermal time constant winding 10.9 s
Thermal time constant motor 612 s
Ambient temperature -30...+100 °C
Max. winding temperature +125 °C
Mechanical data
Bearing type Waelzlager
Max. speed 14000 rpm
Axial play 0.05 - 0.15 mm
Radial play 0.025 mm
Max. axial load (dynamic) 3.2 N
Max. force for press fits (static) 64 N
(static, shaft supported) 800 N
Max. radial load 16 N, 5 mm from flange
Other specifications
Number of pole pairs 1
Number of commutator segments 11
Number of autoclave cycles 0
Weight 130 g
  • Operating Range

    Continuous operation range
    Short term operation range


maxon DC motors are high-quality motors fitted with powerful permanent magnets. The “heart” of the motor is the worldwide patented ironless rotor. For you, this means cutting-edge technology in compact, powerful and low inertia drives.