The Importance of Pump/Motor Shaft Alignment Blog Some manufacturers recommend that the final shaft alignment of your pump and motor should be within 0.002” (both angularly and parallel). Laser-guided alignment tools (pictured) produce highly accurate and repeatable results every single time. 5 Benefits of Appropriately Aligned Shafts: Extend Bearing Life Reduce Wear on Couplings Reduce Energy Cost (due to Efficiency Gains) Increase Time Between Failures Reduces Parts Expenses due to Repair Avoidance