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  • October 11, 2026

YS series three-phase gear motor B14, B5, B3 size installation guide


H1: YS 71 Frame Motor Mounting Dimensions: B14, B5, and B3 Configurations

B3/B14/B5 motor flange size

H2:YS series electric motor 71 rack motor output shaft size 2/4/6/8 pole horizontal industrial motor:

ParameterDimension
Output Shaft Diameter (D)14 mm
Shaft Length (E)30 mm
Keyway Width5 mm

H2: B5 Large Flange (Vertical)
Designed for heavy-duty vertical mounting.

  • Flange Outer Diameter (P): 160mm

  • Bolt Hole Distance (M): 130mm

  • Spigot Diameter (N): 110mm

H3: B3 Foot Mounted (Horizontal)
Standard horizontal installation.

  • Foot Hole Distance (A*B): 112mm * 90mm

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Three phase asynchronous motor, industrial motor related reading: YS-90-1-4-B5 motor model description

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