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The 6212-M-C4-SQ77 is an electrically insulated ball bearing with a 60mm bore and 110mm 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 57kN and spins smoothly at speeds up to 13000 RPM. The brass cage ensures durability, while the C4 radial clearance allows for thermal expansion in demanding conditions.
The insulation layer (100-500µm thick) offers electrical resistance of 50-200 MΩ, making it ideal for electric motors or generators. Weighing 1.26kg, it’s a robust solution for industrial applications where electrical isolation is critical.
Compliant with RoHS standards, this NKE model is a reliable choice for preventing electrical erosion in rotating equipment. Its compact design (22mm width) fits easily into standard housings.
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Why Choose 6212-M-C4-SQ77 Bearing for Precision Tasks?
6212-M-C4-SQ77 Bearing features an insulation coating on the outer ring, preventing electrical current damage.
Its breakdown voltage ranges from 1000 to 3000 V, making it ideal for electric motor applications.
The brass cage ensures smooth operation, while the C4 radial clearance accommodates thermal expansion.
With a dynamic load rating of 57.0 kN, it handles demanding conditions reliably.
6212-M-C4-SQ77 Bearing’s coating thickness of 100~500 µm provides consistent electrical insulation.
Its reference speed of 13000 r/min ensures efficient performance in high-speed applications.
Industrial Uses of 6212-M-C4-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 rotation even under high-speed conditions.
Where Is 6212-M-C4-SQ77 Bearing Used?
You’ll find it in wind turbines and industrial drives, where breakdown voltage resistance is key. Its C4 clearance allows for thermal expansion in demanding environments.
Built for Heavy-Duty Use: 6212-M-C4-SQ77 Bearing
Ideal for conveyor systems and pumps, this bearing handles dynamic loads up to 57 kN. The SQ77 coating provides reliable insulation in humid or corrosive settings.
Automotive vs Aerospace: Applications of 6212-M-C4-SQ77 Bearing
In hybrid vehicles, it prevents current leakage in traction motors, while in aviation ground equipment, it withstands vibration. The 13000 r/min speed rating suits both fields.
Perfect Fit for Automation: 6212-M-C4-SQ77 Bearing
Robotic arms benefit from its precise movement and electrical insulation. The 100-500 µm coating thickness adapts well to variable operational temperatures.
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