42mm brushless dc motorJK42BLS01
JK42BLS03
JK42BLS04
JKBLS05
Number of poles
8
Number of phase
3
Rated voltage VDC
24
Rated speedRPM
40000.075
0.15
0.22
0.3
Rated torque N.m
0.0625
0.125
0.185
0.25
Rated power W
26
52.5
77.5
105
Peak torqueN.m
0.19
0.38
0.56
0.75
Peak current A
5.4
10.6
15.5
20
Line to line resistanceohms
1.8
0.8
0.55
0.28
Line to line inductance mH
2.6
1.2
0.8
0.54
Torque constant Nm/A
0.035
0.0355
0.036
0.0376
Back E.M.F Vrms/KRPM
3.66
3.72
3.76
3.94
Rotor inertiag.cm2
24
48
72
96
Body length mm
41
61
81
100
Weight Kg
0.3
0.45
0.65
0.8JK57BL(S)005
JK57BL(S)01
JK57BL(S)02
JK57BL(S)03
JK57BL(S)04
Number of poles
4
Number of phase
3
Rated voltageVDC
36
Rated speed RPM
4000
Rated torque N.m
0.055
0.11
0.22
0.32
0.43
Rated powerW
23
46
92
133
180
Peak torque N.m
0.16
0.39
0.7
1
1.27
Peak current A
3.5
6.8
11.5
16.5
20.5
resistance ohms
4.1
1.5
0.7
0.45
0.35
inductance mH
10
4.2
2.16
1.4
1
Torque constant Nm/A
0.053
0.063
0.063
0.063
0.063
Back E.M.F V/KRPM
5.55
6.6
6.6
6.6
6.6
Rotor inertia g.cm2
30
75
119
173
230
Body length(L) mm
45
55
75
95
115
Mass Kg
0.25
0.5
0.75
1
1.25