Fake vs. Real: Guide to Identifying Counterfeit Insulated Bearings
Is your “insulated” bearing just a piece of painted steel? This guide reveals the critical differences between cheap spray paint and real plasma ceramic, teaching
How Shaft Grounding Rings Work: Why They Are Not Enough Without Insulated Bearings
While shaft grounding rings provide a low-impedance path for common-mode currents, this guide explains why pairing them with electrically insulated bearings is necessary to fully
The Role of Capacitance & Impedance in Electrical Bearing Failure
This technical guide explains the physics behind electrical bearing damage, focusing on how bearing capacitance and impedance allow high-frequency VFD currents to couple across the
How to Test Insulation Resistance in Electric Bearings
This guide outlines the essential procedure for testing insulation resistance in electric bearings to verify protection against damaging shaft currents. It covers necessary equipment, step-by-step
Advances in Bearing Insulation Technologies: Plasma Spray, Ceramic Overlay & Polymer Barriers
This practical guide explores essential bearing insulation technologies, including plasma-sprayed ceramic coatings, hybrid ceramic designs, and polymer barriers. It details how these systems prevent Electrical
What Causes Shaft Voltage in Electric Motors? Measurement, Risks & Solutions
This guide explains the origins of shaft voltage in VFD applications, the risks of electrical erosion, and practical strategies—including grounding and insulation—to protect motor bearings.
How to Specify Electrically Insulated Bearings for New Motor Designs (OEM Guide)
This guide outlines the critical steps for OEM engineers to correctly specify electrically insulated bearings during the design phase, ensuring long-term motor reliability in VFD
Insulated Bearings in Pumps & Compressors: Solving VFD-Induced Failures
This article explains the mechanism of VFD-induced shaft currents that damage pump and compressor bearings and details how electrically insulated bearings provide a robust solution
Common-Mode Voltage in VFD Systems: Impact on Motor Bearings & Insulation Requirements
This guide explains the root causes of common-mode voltage in VFD applications, details its destructive impact on motor bearings and insulation, and provides actionable engineering
How High Humidity & Harsh Environments Affect Bearing Insulation Performance
This article explores how moisture, condensation, and chemical contaminants degrade the electrical protection of insulated bearings and provides actionable design and maintenance strategies to ensure
How Electrically Insulated Bearings Improve Motor Reliability in Industrial Plants
This guide explains the critical role of electrically insulated bearings in preventing VFD-induced shaft currents, detailing their construction, benefits, and practical implementation strategies to maximize
Why VFD Motors Require Electrically Insulated Bearings: A Practical Engineering Guide
This engineering guide details the mechanism of VFD-induced shaft currents, explains the damage caused by electrical fluting, and outlines how ceramic-coated and hybrid insulated bearings
Ceramic Coatings for Bearings: Thickness, Hardness & Dielectric Strength Explained
This guide explains the technical importance of ceramic coating thickness, hardness, and dielectric strength in preventing electrical erosion. It offers insights into selecting the right
How to Detect Electrical Erosion in Bearings Before Catastrophic Failure
This guide explains the dangers of electrical erosion in inverter-driven motors and details actionable diagnostic and preventive measures to extend bearing life.
Why Ceramic-Coated Bearings are the Best Solution Against Stray Currents
This guide explains the destructive impact of stray electrical currents on motor bearings and details how ceramic-coated bearings provide a robust, cost-effective insulation solution to
Why Motor Bearings Overheat: Causes, Warning Signs & Fixes
This guide analyzes the science behind motor bearing overheating, identifying key triggers such as lubrication breakdown and misalignment, while providing actionable diagnostic and maintenance solutions
