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The NKE 6219-M-C4-SQ77 is an electrically insulated ball bearing with a 95mm bore and 170mm outer diameter, designed to prevent electrical currents from damaging machinery. It features a durable brass cage and a special outer ring coating for insulation.
With a dynamic load rating of 114kN and a static load rating of 81.5kN, it handles heavy loads efficiently. It can spin up to 8000 RPM, making it suitable for high-speed applications.
The insulating coating (SQ77) provides a breakdown voltage of 1000-3000V and electrical resistance of 50-200 MΩ, protecting against electrical arcing. Its C4 radial clearance ensures smooth operation under varying temperatures.
Ideal for electric motors, generators, or wind turbines where electrical insulation is crucial. Compliant with RoHS standards, it’s a reliable choice for industrial and renewable energy applications. Weighing 2.67kg, it balances strength and practicality.
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Why Choose 6219-M-C4-SQ77 Bearing for Precision Tasks?
6219-M-C4-SQ77 Bearing features an insulating coating on the outer ring, preventing electrical current damage.
The brass cage ensures smooth operation and reduces friction, even at high speeds.
With a breakdown voltage of 1000-3000 V, it is ideal for applications requiring electrical insulation.
Its basic dynamic load rating of 114.0 kN provides reliable performance under heavy loads.
The C4 radial internal clearance allows for thermal expansion, ensuring stability in varying temperatures.
This makes 6219-M-C4-SQ77 Bearing suitable for demanding industrial environments.
Industrial Uses of 6219-M-C4-SQ77 Bearing
6219-M-C4-SQ77 Bearing is commonly used in electric motors and generators, where its electrically insulated coating prevents current leakage and extends component life. The brass cage ensures smooth operation even under high-speed conditions.
What Makes 6219-M-C4-SQ77 Bearing a Preferred Choice?
In wind turbines, 6219-M-C4-SQ77 Bearing handles both radial and axial loads while resisting electrical arcing. Its C4 clearance allows for thermal expansion, making it reliable in variable temperatures.
Perfect Fit for Automation: 6219-M-C4-SQ77 Bearing
For robotic arms in manufacturing, 6219-M-C4-SQ77 Bearing offers precise movement and reduced electrical interference. The coating’s breakdown voltage of up to 3000V adds an extra layer of safety.
Medical vs Industrial: Where 6219-M-C4-SQ77 Bearing Excels
In medical imaging devices, 6219-M-C4-SQ77 Bearing’s insulation ensures no interference with sensitive electronics. Meanwhile, industrial pumps benefit from its durability and resistance to electrical damage.
Where Is 6219-M-C4-SQ77 Bearing Used?
You’ll often find 6219-M-C4-SQ77 Bearing in conveyor systems, where its high dynamic load rating keeps operations running smoothly. The SQ77 coating also minimises maintenance needs in dusty environments.
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