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The NTN MEGAOHM Series 7MC3-6318L1BC3 is an insulated ball bearing with a 90mm bore and 190mm outer diameter, designed to handle electrical currents. Its outer ring features a ceramic coating, providing insulation with a breakdown voltage over 3000V.
With a dynamic load rating of 151kN and a static load rating of 108kN, it supports heavy loads while maintaining smooth operation. The brass cage ensures durability, and the C3 radial clearance allows for thermal expansion.
This bearing can reach speeds up to 7500 r/min, making it suitable for high-speed applications. Its electrical resistance exceeds 2000 MΩ, preventing current passage.
Ideal for electric motors and generators, where electrical insulation is crucial. Compliant with RoHS standards, it’s a reliable choice for industrial and energy sectors. Weighing 5.96kg, it balances strength and performance.
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How Is 7MC3-6318L1BC3 Bearing Engineered for Reliability?
7MC3-6318L1BC3 Bearing features an outer ring ceramic coating, providing excellent insulation against electrical currents.
Its breakdown voltage exceeds 3000 V, making it suitable for high-voltage applications.
The brass cage ensures smooth operation and reduces friction, even at high speeds up to 7,500 r/min.
With a dynamic load rating of 151.0 kN, it handles heavy loads reliably.
What Makes 7MC3-6318L1BC3 Bearing Suitable for High-Temperature Applications?
7MC3-6318L1BC3 Bearing’s ceramic coating offers resistance to electrical currents and high temperatures.
The C3 radial internal clearance allows for thermal expansion, maintaining performance under varying conditions.
Its brass cage enhances durability, ensuring smooth rotation even in demanding environments.
The bearing’s static load rating of 108.0 kN provides stability under heavy loads.
Built for Reliability: 7MC3-6318L1BC3 Bearing
7MC3-6318L1BC3 Bearing is designed with a ceramic-coated outer ring, preventing electrical damage.
Its electrical resistance exceeds 2000 MΩ, ensuring safe operation in electrically charged environments.
The bearing’s dynamic load capacity of 151.0 kN makes it ideal for heavy-duty applications.
With a reference speed of 7,500 r/min, it delivers consistent performance at high speeds.
Steel vs Ceramic Bearings: Strengths of 7MC3-6318L1BC3 Bearing
7MC3-6318L1BC3 Bearing combines ceramic coating with steel construction for superior insulation and strength.
The ceramic layer, 0.2 mm thick, provides high breakdown voltage and electrical resistance.
Its brass cage reduces friction, enhancing the bearing’s lifespan and efficiency.
The C3 clearance ensures reliable operation under thermal and load variations.
Industrial Uses of 7MC3-6318L1BC3 Bearing
This insulated bearing is commonly used in electric motors and generators, where its ceramic coating prevents electrical arcing. The brass cage ensures smooth rotation even under high-speed conditions.
What Makes 7MC3-6318L1BC3 Bearing a Preferred Choice?
Its high breakdown voltage makes it ideal for wind turbines and industrial drives, where electrical insulation is critical. The C3 clearance allows for thermal expansion in demanding environments.
Built for Heavy-Duty Use: 7MC3-6318L1BC3 Bearing
In conveyor systems and pumps, this bearing handles heavy loads with ease. The 190mm outer diameter provides stability in large-scale machinery.
Automotive vs Aerospace: Applications of 7MC3-6318L1BC3 Bearing
While it’s used in hybrid vehicle motors, its high-speed capability also suits aerospace applications. The 43mm width offers a compact solution for space-constrained designs.
Perfect Fit for Automation: 7MC3-6318L1BC3 Bearing
In robotic arms and CNC machines, this bearing’s precision ensures accurate movement. The 90mm bore diameter fits standard industrial shafts perfectly.
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