6318M/C3VL0241

Bore diameter	90 mm
Outside diameter	190 mm
Width	43 mm
Basic dynamic load rating	151 kN
Basic static load rating	108 kN
Reference speed	7 500 r/min
Limiting speed	7 000 r/min
Product net weight	5.58 kg

The 6318 M/C3VL0241 is a specialized deep groove ball bearing engineered to enhance the reliability of electrical machinery. Its standout feature is the proprietary aluminum oxide coating on the outer ring, which provides a formidable barrier against stray electrical currents. This insulation, effective up to 1,000 volts DC, safeguards the bearing from the damaging effects of electrical erosion. By preventing arcing and subsequent surface damage, the 6318 M/C3VL0241 ensures smoother operation and significantly extends the service life of critical components such as industrial electric motors and generators, ultimately reducing costly downtime and maintenance.

Beyond its electrical insulation, the 6318 M/C3VL0241 is built for robust performance in demanding industrial applications. The "M" designation signifies a strong, one-piece machined brass cage, which offers superior stability and resistance to vibration and high temperatures compared to standard steel cages. The C3 internal clearance allows for greater thermal expansion, making this bearing an ideal choice for applications with higher operating temperatures or high-speed rotations. This combination of a durable cage and appropriate clearance ensures consistent performance and reliability under challenging conditions.

Integrating the 6318 M/C3VL0241 insulated bearing into electric motors and driven equipment is a proactive and cost-effective strategy to mitigate premature bearing failures. Stray electrical currents can rapidly degrade bearing lubricant and create microscopic pits in the raceways, leading to increased friction, noise, and eventual seizure. By incorporating the insulating properties directly into the bearing, the need for separate, more complex insulation solutions is eliminated. This streamlined approach not only simplifies the design and assembly process but also provides a reliable, long-term solution to a common cause of failure in variable frequency drive (VFD) applications, protecting your investment and ensuring operational continuity.

 

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