B4040NH2B

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Description

1 Voltage V 18.0
2 Terminal resistance Ω 1.5
3 No-load speed rpm 42000
4 No-load current A 0.168
5 Stall torque mNm 47.7
6 Stall current A 12
7 Nominal torque mNm 5
8 Nominal speed rpm 25000
9 Nominal current A 1
10 Max. output power W 52.6
11 Max. efficiency % 48.4
12 Back-EMF constant mV/rpm 0.4
13 Torque constant mNm/A 4.0
14 KV Value rpm/V 2333.3
15 Speed/torque gradient rpm/mNm 879.7
16 Rotor inertia gcm² 20
17 Weight g 200
18 Thermal resistance housing-ambient K/W 9
19 Thermal resistance winding-housing K/W 2.4
20 Thermal time constant motor s 1400
21 Thermal time constant winding s 20
22 Operating temperature range °C -40~+120
23 Thermal class of winding °C 155
24 Axial play mm 2.3
25 Radial play mm 0.012
26 Axial load dynamic N 8
27 Axial load static N 110
28 Radial load at 3 mm from mounting face N 31
29 No. of pole pairs 2
30 Bearings 2 ball bearings
31 Commutation Hall Sensor
32 Protection class IP20

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