• East India Bearing Co Private Limited

Insulated Bearings

MegaohmTM Series insulated bearings offer enhanced safety and reliability. Bearings used in electrical equipment such as motors and power generators tend to exhibit electrical pitting as a result of current leakage. NTN's Megaohm Series of insulated bearings has been specifically designed to counteract electrical pitting. These bearings are available in both ceramic and resin types suited to a variety of applications. The Megaohm Series of insulated bearings offers the following unique advantages: exhibits insulation resistance of at least 100 MΩ at 500 V DC; available in a wide range of variants with various insulating layer materials; high voltage resistance and shock; immunity that accommodate diverse user requirements; compatible with ISO 492, DIN 620 and JIS 1514 standards; and available in bore diameters ranging from 50 to 160 mm. Typical applications include use in traction motors of railway cars; and in wind power generation systems. These bearings contribute to the improved reliability of ec