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The NU318-E-M6-SQ77 is an electrically insulated cylindrical roller bearing, measuring 90mm in bore diameter and 190mm outside diameter, with a width of 43mm. Its outer ring features a special insulation coating to prevent electrical currents from damaging the bearing.
This model handles dynamic loads up to 365 kN and static loads up to 360 kN, with a reference speed of 3800 RPM. The brass cage ensures smooth operation and durability under high stress.
The insulation coating provides a breakdown voltage of 1000-3000V and an electrical resistance over 2000 MΩ, making it ideal for electric motors or generators. Its normal radial clearance (Cn) allows for reliable performance in various conditions.
Weighing 5.4kg, it’s a robust choice for industrial applications where electrical insulation is crucial. Compliant with RoHS and REACH standards for safe and eco-friendly use.
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How Is NU318-E-M6-SQ77 Bearing Engineered for Reliability?
NU318-E-M6-SQ77 Bearing features an electrically insulated outer ring coating, preventing current passage and reducing electrical damage.
The brass cage ensures smooth operation and durability, even under high dynamic loads of 365 kN.
With a breakdown voltage of 1000-3000 V, NU318-E-M6-SQ77 Bearing is ideal for applications with electrical interference.
Its normal radial clearance and high reference speed of 3800 r/min provide reliable performance in demanding conditions.
The insulation coating thickness exceeds 0.125 mm, offering long-term protection against electrical currents.
NU318-E-M6-SQ77 Bearing’s design ensures minimal maintenance and extended service life.
Industrial Uses of NU318-E-M6-SQ77 Bearing
NU318-E-M6-SQ77 Bearing is commonly used in electric motors and generators, where its electrically insulated coating prevents current passage and reduces damage from stray currents. The brass cage ensures smooth operation even under high rotational speeds.
In wind turbines, NU318-E-M6-SQ77 Bearing handles heavy radial loads while its insulation protects against electrical erosion. Its durable design makes it suitable for long-term use in harsh environmental conditions.
For railway applications, NU318-E-M6-SQ77 Bearing provides reliable performance in traction motors, where electrical insulation is critical. The normal radial clearance allows for optimal thermal expansion during operation.
NU318-E-M6-SQ77 Bearing is also found in industrial pumps, where its high dynamic load rating ensures efficiency. The coating’s breakdown voltage range makes it adaptable to various electrical environments.
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