280
www.aosmithmotors.com
Century® Industrial DC Motor Dimensions
Direct Current – Wound Field Fractional Horsepower Motors
Direct Current – Wound Field Integral Horsepower Motors
Notes:
1
When terminal box is furnished on left or right side, dimensions
will be as shown.
2
Shaft extensions are made to limits of +.020 – .030
3
Dimensions “V” represents usable length of shaft
Tolerances (indicator reading in inches) –
Face runout: .004
Shaft runout: .002
Eccentricity of mounting face: .004
Dimensions in Inches
Type
and Frame
A B BA C D E 2F O P U
2
V
3
AC AK AJ BD BS
1
DN-184AC 8.60 10.70 2.75 15.18 4.50 3.75 5.50 9.00 9.00 .8750 2.00 6.46 4.50 5.875 6.41 4.75
DN-185AC 8.60 11.40 2.75 15.88 4.50 3.75 6.25 9.00 9.00 .8750 2.00 6.46 4.50 5.875 6.41 5.46
DN-187AC 8.60 12.70 2.75 17.18 4.50 3.75 8.00 9.00 9.00 .8750 2.00 6.46 4.50 5.875 6.41 6.75
DN-189AC 8.60 15.70 2.75 20.18 4.50 3.75 10.00 9.00 9.00 .8750 2.00 6.46 4.50 5.875 6.41 9.24
For Reference Only – Unless Approved for Construction
Dimensions in Inches
Type
and Frame
C
BS
BV
DN-B56C
10.82
4.69
7.25
DN-H56C
11.19
5.06
7.62
DN-J56C
11.69
5.56
8.12
DN-K56C
12.57
6.44
9.00
DN-L56C
13.44
7.31
9.87
DN-M56C`
14.34
8.21
10.77
1...,272,273,274,275,276,277,278,279,280,281 283,284,285,286,287,288,289,290,291,292,...324