The NKE 6226-M-C3-SQ77 is an electrically insulated ball bearing with a 130mm bore and 230mm outer diameter, designed to handle both radial and axial loads. Its outer ring features a special coating that prevents electrical current from passing through, protecting machinery from damage.
With a dynamic load rating of 156kN and a static load rating of 132kN, it’s built for heavy-duty applications. The brass cage ensures smooth operation at speeds up to 5600 RPM.
The insulating coating (100-500µm thick) offers a breakdown voltage of 1000-3000V and electrical resistance of 50-200 MΩ, making it ideal for electric motors or generators. Its C3 radial clearance allows for thermal expansion in high-speed settings.
Weighing 6.22kg, this RoHS-compliant bearing is a reliable choice for industries where electrical insulation is crucial, such as wind turbines or industrial drives.
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How Is 6226-M-C3-SQ77 Bearing Engineered for Reliability?
6226-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, even at high speeds up to 5,600 r/min.
With a basic dynamic load rating of 156.0 kN, it handles heavy loads reliably.
The coating provides a breakdown voltage of 1,000 to 3,000 V, making it suitable for electric motors.
Its C3 radial internal clearance allows for thermal expansion, ensuring consistent performance.
The electrical resistance of 50 to 200 MΩ further enhances its insulation properties.
Designed for durability, 6226-M-C3-SQ77 Bearing reduces maintenance needs in demanding applications.
The precise dimensions (130.0 mm x 230.0 mm x 40.0 mm) ensure easy integration into various systems.
Industrial Uses of 6226-M-C3-SQ77 Bearing
This bearing is commonly used in electric motors and generators, where its insulation coating prevents electrical arcing and damage. The brass cage ensures smooth operation even under high-speed conditions.
In wind turbines, 6226-M-C3-SQ77 Bearing handles both radial and axial loads while resisting electrical currents. Its C3 clearance allows for thermal expansion, making it reliable in varying temperatures.
For industrial pumps, 6226-M-C3-SQ77 Bearing’s high dynamic load rating ensures long service life. The insulation coating also protects against stray currents, reducing downtime for maintenance.
Where Is 6226-M-C3-SQ77 Bearing Used?
You’ll find this bearing in railway traction motors, where electrical insulation is critical for safety. Its robust design handles the vibrations and loads typical in rail applications.
The 6226-M-C3-SQ77 Bearing is also ideal for conveyor systems in mining operations. The coating resists dust and moisture, while the C3 clearance accommodates heavy loads.
Built for Heavy-Duty Use: 6226-M-C3-SQ77 Bearing
In steel mills, this bearing withstands extreme loads and high temperatures. The insulation coating adds an extra layer of protection against electrical faults.
For marine applications, 6226-M-C3-SQ77 Bearing’s corrosion-resistant materials ensure reliability. The brass cage performs well in salty environments, reducing wear over time.
Automotive vs Aerospace: Applications of 6226-M-C3-SQ77 Bearing
In electric vehicles, this bearing supports motors and reduces electrical interference. Its high-speed capability makes it a practical choice for modern EVs.
For aerospace ground equipment, 6226-M-C3-SQ77 Bearing offers precision and insulation. The breakdown voltage range ensures safety in sensitive electrical systems.
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