22mm Slotless Brushless DC Motor

Slotless Brushless DC Motor, 22ZWWC48 can avoid the pulsation of air gap magnetic induction caused by uneven magnetic resistance in the teeth.It can eliminate the pulse loss in the armature core and t···

  • Motor Characteristics

Motor part number22ZWWC48
Pole pair11112
Phase resistance(Ω)
Phase inductance(mH)0.0180.0270.060.110.057
winding connection methodStar shapeStar shapeStar shapeStar shapeStar shape
Insulation classBBBBB
Duty typeS2S2S2S2S1
Feedback methodHall sensorsHall sensorsHall sensorsHall sensorsHall sensors
Commutation angle120°120°120°120°120°
Insulation strength
(Withstand voltage)
Insulation resistance100 MΩ/500VDC100 MΩ/500VDC100 MΩ/500VDC100 MΩ/500VDC100 MΩ/500VDC
Rated voltage(V)1824364824
Rated power(W)8310010010053
Rated torque(mN·m)2020202025
Rated speed(RPM)4000049000474004960020100
Rated current(A)7.954.683.122.293
No load speed(RPM)5000055000530005400025700
No load current(A)
Motor efficiency(%)8789899181
(Ambient noise 20db, test distance 1m)(dB)
Case - Environmental thermal resistance (no load)(K/W)0.380.580.510.421.12
Motor thermal time constant (no load)(S)8406009001200620
Ambient temperature(℃)21.42224.721.123.3
Max. winding temperature (no load)(℃)52.78075.570.582
Torque constant(mN·m/A)2.524.276.418.748.33
Back-EMF constant - peak value(V/Krpm)0.370.630.951.291.23
Back-EMF constant - effective value(V/Krpm)0.260.450.670.910.87
Peak torque(mN·m)116.11341.76404.72419.33212.77
Peak current(A)4680634826
Inertia moment(g·cm²)
mechanical time constant(ms)4.721.891.601.511.56
End bellStainless steelStainless steelStainless steelStainless steelStainless steel
BearingDeep Groove Ball BearingDeep Groove Ball BearingDeep Groove Ball BearingDeep Groove Ball BearingDeep Groove Ball Bearing
MagnetSinter NdFedBSinter NdFedBSinter NdFedBSinter NdFedBSinter NdFedB
Rotation shaftCarbon SteelCarbon SteelCarbon SteelCarbon SteelCarbon Steel
  • Dimensional Drawing

Brushless DC Motor Size 22mm - images

16mm Slotless BLDC image

  • Torque Performance Curves

  • 1 Pole pairs

    16mm Slotless BLDC image

  • 2 Pole pairs

    16mm Slotless BLDC image

  • Options

  • Precision Planetary gearbox

    Precision Planetary gearbox

    Series-1 level2 level3 level4 level
    Total speed ratioX : 13.947 5.30816 21 26 28 3562 83 103 111 138
    150 172 186 231
    243 326 406 439 546 590 679 734
    794 913 987 1135 1227 1526
    Max. continuous torqueN.m0.851.934
    Max. Continuous output powerW6030117
    Max. continuous input speedrpm8000800080008000
    Max. efficiency%90807565
    Max. back gap°
    Motor gear hole (ID)mmΦ2.5 Φ3Φ1.5 Φ2.5 Φ3Φ1.5 Φ2.5 Φ3Φ1.5 Φ2.5 Φ3
    Gearbox length Lmm22.33339.646.3