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The 6216-M-C4-SQ77 is an electrically insulated ball bearing with an 80mm bore and 140mm outer diameter, designed to prevent electrical currents from damaging machinery. It features a durable brass cage and can handle dynamic loads up to 72.8 kN.
Its outer ring has a special insulation coating (SQ77) with a breakdown voltage of 1000-3000V, making it ideal for electric motors or generators. The bearing operates smoothly at speeds up to 9500 RPM.
The C4 radial clearance allows for thermal expansion, while the coating ensures electrical resistance of 50-200 MΩ. It weighs 1.7kg and complies with ROHS standards.
Perfect for applications where electrical insulation is crucial, such as wind turbines or industrial drives. The robust design ensures long service life even in demanding conditions.
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Why Choose 6216-M-C4-SQ77 Bearing for Precision Tasks?
6216-M-C4-SQ77 Bearing features an insulating 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 and reduces friction, enhancing performance.
With a dynamic load rating of 72.8 kN, it handles demanding conditions reliably.
6216-M-C4-SQ77 Bearing’s C4 radial internal clearance allows for thermal expansion in high-speed operations.
Its reference speed of 9500 r/min ensures efficiency in various industrial settings.
The coating thickness of 100~500 µm provides durable electrical insulation.
This design extends the bearing’s service life while maintaining consistent performance.
Industrial Uses of 6216-M-C4-SQ77 Bearing
6216-M-C4-SQ77 Bearing is commonly used in electric motors and generators, where its electrically insulated coating prevents current leakage and reduces bearing damage.
The brass cage ensures smooth operation even at high speeds, making it suitable for industrial applications like pumps and compressors.
Where Is 6216-M-C4-SQ77 Bearing Used?
In wind turbines, 6216-M-C4-SQ77 Bearing handles high dynamic loads while its insulation protects against electrical arcing.
The C4 clearance allows for thermal expansion, making it reliable in variable temperature environments.
Optimized for Performance: 6216-M-C4-SQ77 Bearing
For railway traction motors, 6216-M-C4-SQ77 Bearing offers durability and electrical insulation to withstand harsh operating conditions.
Its high breakdown voltage ensures safety in environments with frequent electrical fluctuations.
Automotive vs Aerospace: Applications of 6216-M-C4-SQ77 Bearing
In automotive hybrid systems, 6216-M-C4-SQ77 Bearing prevents electrical corrosion in electric drive units.
For aerospace applications, its lightweight design and insulation properties make it ideal for auxiliary power units.
Practical Applications of 6216-M-C4-SQ77 Bearing
6216-M-C4-SQ77 Bearing is a go-to choice for medical imaging devices, where electrical insulation ensures patient safety.
The coating’s consistent resistance also makes it suitable for laboratory equipment requiring precise measurements.
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