+86 15806631151 info@sdtflbearing.com
The NKE 6222-M-C3-SQ77 is an electrically insulated ball bearing with a 110mm bore and 200mm outer diameter, designed to prevent electrical current damage. It handles dynamic loads up to 151 kN and spins smoothly at speeds up to 6700 RPM.
Its outer ring features a special insulation coating (SQ77) with a breakdown voltage of 1000-3000V, protecting against electrical arcing. The brass cage ensures durability and stable performance under high loads.
With a C3 radial clearance, it accommodates thermal expansion in demanding conditions. Ideal for electric motors, generators, or any application where electrical insulation is crucial.
Weighing 4.57kg, it’s robust yet manageable for industrial use. Compliant with RoHS standards for environmental safety.
"*" indicates required fields
How Is 6222-M-C3-SQ77 Bearing Engineered for Reliability?
6222-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 durability.
With a basic dynamic load rating of 151.0 kN, it handles heavy loads efficiently.
Its breakdown voltage of 1000~3000 V makes it suitable for electrically demanding applications.
What Makes 6222-M-C3-SQ77 Bearing Suitable for High-Temperature Applications?
6222-M-C3-SQ77 Bearing is designed to withstand high temperatures while maintaining performance.
The insulation coating provides electrical resistance of 50~200 MΩ, ensuring safety in harsh conditions.
Its C3 radial internal clearance allows for thermal expansion, preventing premature wear.
The brass cage further enhances its ability to operate smoothly under stress.
Designed for Durability: 6222-M-C3-SQ77 Bearing
6222-M-C3-SQ77 Bearing’s robust construction includes a brass cage for reduced friction and longer life.
The insulation coating protects against electrical currents, extending its service in industrial applications.
With a reference speed of 6700.0 r/min, it delivers reliable performance at high speeds.
Its static load rating of 118.0 kN ensures stability under heavy loads.
Steel vs Ceramic Bearings: Strengths of 6222-M-C3-SQ77 Bearing
6222-M-C3-SQ77 Bearing combines chrome steel construction with an insulating coating for superior performance.
Unlike ceramic bearings, it offers excellent electrical insulation without compromising load capacity.
The brass cage provides durability and smooth operation in demanding environments.
Its layer thickness of 100~500 µm ensures consistent insulation properties.
Industrial Uses of 6222-M-C3-SQ77 Bearing
This bearing is commonly used in electric motors and generators, where its electrically insulated coating prevents current leakage and prolongs service life.
The brass cage ensures smooth operation even at high speeds, making it suitable for industrial applications.
Where Is 6222-M-C3-SQ77 Bearing Used?
You’ll often find this bearing in wind turbines, where its insulation properties protect against electrical arcing.
Its robust design also handles the dynamic loads typical in renewable energy systems.
Built for Heavy-Duty Use: 6222-M-C3-SQ77 Bearing
In railway applications, this bearing supports traction motors, withstanding vibrations and electrical currents.
The C3 clearance allows for thermal expansion, ensuring reliability in varying temperatures.
Automotive vs Aerospace: Applications of 6222-M-C3-SQ77 Bearing
In automotive hybrids, it’s used in electric drivetrains to manage electrical isolation.
For aerospace, its high-speed capability suits auxiliary power units and flight control systems.
Perfect Fit for Automation: 6222-M-C3-SQ77 Bearing
This bearing works well in robotic arms, where precision and electrical safety are key.
The insulation coating reduces downtime by preventing damage from stray currents.
"*" indicates required fields