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The 6216-M-C3-SQ77 is an electrically insulated ball bearing with an 80mm bore and 140mm outer diameter, designed to prevent electrical currents from damaging machinery. Its outer ring features a special coating (SQ77) that provides insulation, with a breakdown voltage of 1000-3000V.
This bearing handles dynamic loads up to 72.8 kN and spins smoothly at speeds up to 9500 RPM. The brass cage ensures durability, while the C3 radial clearance allows for thermal expansion in demanding conditions.
The insulation layer (100-500µm thick) offers high electrical resistance (50-200 MΩ), making it ideal for electric motors or generators. Weighing 1.7kg, it’s a robust solution for applications where electrical arcing is a concern.
Compliant with RoHS standards, this NKE model is a reliable choice for industrial equipment requiring electrical insulation.
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How Is 6216-M-C3-SQ77 Bearing Engineered for Reliability?
6216-M-C3-SQ77 Bearing features an insulating coating on the outer ring, preventing electrical damage in high-voltage environments.
The brass cage ensures smooth operation and reduces friction, enhancing overall performance.
With a basic dynamic load rating of 72.8 kN, 6216-M-C3-SQ77 Bearing handles heavy loads efficiently.
Its reference speed of 9,500 r/min makes it suitable for high-speed applications.
The insulation coating provides a breakdown voltage of 1,000 to 3,000 V, ensuring safety in electrical applications.
6216-M-C3-SQ77 Bearing’s C3 radial internal clearance allows for thermal expansion, maintaining reliability.
Industrial Uses of 6216-M-C3-SQ77 Bearing
This bearing is commonly used in electric motors and generators, where its insulation coating prevents electrical arcing and extends component life. The brass cage ensures smooth operation even under high-speed conditions.
Where Is 6216-M-C3-SQ77 Bearing Used?
You’ll find it in wind turbines and industrial drives, where electrical insulation is crucial for preventing current-induced damage. Its C3 clearance allows for thermal expansion in demanding environments.
Built for Heavy-Duty Use: 6216-M-C3-SQ77 Bearing
The bearing handles substantial radial loads in applications like conveyor systems and pumps. Its coating provides reliable protection against stray currents that could cause premature failure.
Automotive vs Aerospace: Applications of 6216-M-C3-SQ77 Bearing
In electric vehicles, it safeguards drivetrain components from electrical discharge. For aircraft systems, the bearing’s lightweight design and insulation properties make it equally valuable.
Perfect Fit for Automation: 6216-M-C3-SQ77 Bearing
Robotic arms benefit from its precise movement and electrical insulation when operating near sensitive electronics. The 140mm outer diameter offers stable support for repetitive motions.
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