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IFP Motion Solutions

Motor Flange Table - quick reference of typical motor sizes

At Motor Technology we strive to supply standard product for any application you may have. Compatibility of differing motors becomes a major issue when you are looking for a replacement. To assist you in defining the motor size required, please use the table below. This is by no means a definitive list, but represents some of the typical sizes we encounter on a daily basis:
Motor Flange Table
Motor Size Spigot
diameter (A)
Mounting Hole
PCD (HC²)
Mounting Hole
diameter (d)
Motor Shaft
diameter (D)
Motor Shaft
length (L)
IEC56 B14 70 85 7 9 20
IEC56 B5 80 100 7 9 20
IEC63 B14 60 75 6 / M5 11 23
IEC63 B5 95 115 9 11 23
IEC71 B14 70 85 7 / M6 14 30
IEC71 B5 110 130 9 14 30
IEC80 B14 80 100 7 / M6 19 40
IEC80 B5 130 165 M10 19 40
IEC90 B14 95 115 9 / M8 24 50
IEC90 B5 130 165 M10 24 50
IEC100/112 B14 110 130 9 / M8 28 60
IEC100/112 B5 180 215 M12 28 60
Servo 80¹ 80 100 7 14 30
Servo 95¹ 95 115 9 19 40
Servo A200 130 165 11 24 50