Rotary Electric Vibrators has relocated grease nipples for protection against damage and dust collection. Improved sealing arrangement prevents lubrication from entering electrical parts. Rotary Electric Vibrators gives increased temperature regulation due to strategic positioning of parts. It has improved plate cover to handle knocks and dents and has spheroidal bearing housings for lower heat generation and less wear during bearing replacement. It also has improved sealing arrangement and quality resin around electrical connections (no cracking or melting of resin). Rotary Electric Vibrators has specially designed bearings to handle bending in the shaft and well-designed foot mounts for increased load capacity.