A-max 22 Ø22 mm, Graphite Brushes, 6 Watt, with cable

Part number 139848

A-max 22 Ø22 mm, Graphite Brushes, 6 Watt, with cable
Price scales Quantity Price per unit
Prices excluding VAT and shipping costs 1-4 €64.91
5-19 €59.18
20-49 €53.82
from 50 On request


Technical illustrations

Information: Drawings are not to scale.

Values at nominal voltage
Nominal voltage 6 V
No load speed 9240 rpm
No load current 83.1 mA
Nominal speed 6240 rpm
Nominal torque (max. continuous torque) 5.91 mNm
Nominal current (max. continuous current) 1.08 A
Stall torque 19.4 mNm
Stall current 3.29 A
Max. efficiency 67 %
Terminal resistance 2.2 Ω
Terminal inductance 0.106 mH
Torque constant 5.9 mNm/A
Speed constant 1620 rpm/V
Speed / torque gradient 500 rpm/mNm
Mechanical time constant 21.3 ms
Rotor inertia 4.07 gcm²
Thermal data
Thermal resistance housing-ambient 20 K/W
Thermal resistance winding-housing 6 K/W
Thermal time constant winding 9.43 s
Thermal time constant motor 313 s
Ambient temperature -30...+85 °C
Max. winding temperature +125 °C
Mechanical data
Bearing type sleeve bearing
Max. speed 9800 rpm
Axial play 0.05 - 0.15 mm
Radial play 0.012 mm
Max. axial load (dynamic) 1 N
Max. force for press fits (static) 80 N
(static, shaft supported) 440 N
Max. radial load 2.8 N, 5 mm from flange
Other specifications
Number of pole pairs 1
Number of commutator segments 9
Number of autoclave cycles 0
Weight 54 g
  • Operating Range

    Continuous operation range
    Short term operation range


maxon A-max motors are an innovative range of high-quality DC motors, equipped with powerful AlNiCo permanent magnets. The “heart” of our motors is the ironless maxon winding, that has been tested millions of times over. This is the latest technology for compact, powerful and low-inertia drives.