+86 15806631151 info@sdtflbearing.com
The NKE 6318-M-C3-SQ77 is an electrically insulated ball bearing with a 90mm bore and 190mm outer diameter, designed to prevent electrical current damage. It handles dynamic loads up to 151kN and spins smoothly at speeds up to 7500 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 wind turbines where electrical insulation is crucial.
Weighing 4.9kg, it’s a robust solution for industrial applications. Compliant with RoHS standards for safe use.
"*" indicates required fields
Why Choose 6318-M-C3-SQ77 Bearing for Precision Tasks?
6318-M-C3-SQ77 Bearing features an insulating coating on the outer ring, preventing electrical damage in sensitive applications.
The brass cage ensures smooth operation, even at high speeds up to 7,500 r/min.
With a breakdown voltage of 1,000 to 3,000 V, it reliably protects against electrical currents.
The C3 radial internal clearance allows for thermal expansion, maintaining performance under varying conditions.
Its basic dynamic load rating of 151 kN ensures durability in demanding environments.
The coating thickness of 100 to 500 µm provides consistent insulation and long service life.
Industrial Uses of 6318-M-C3-SQ77 Bearing
6318-M-C3-SQ77 Bearing is commonly used in electric motors and generators, where its insulation coating prevents electrical arcing. The brass cage ensures smooth rotation even under high-speed conditions.
What Makes 6318-M-C3-SQ77 Bearing a Preferred Choice?
With its high breakdown voltage, 6318-M-C3-SQ77 Bearing is ideal for wind turbines and industrial drives. The C3 clearance allows for thermal expansion in demanding environments.
Built for Heavy-Duty Use: 6318-M-C3-SQ77 Bearing
In conveyor systems, 6318-M-C3-SQ77 Bearing handles heavy loads while maintaining electrical insulation. Its robust design makes it suitable for mining and material handling equipment.
Automotive vs Aerospace: Applications of 6318-M-C3-SQ77 Bearing
In automotive alternators, 6318-M-C3-SQ77 Bearing reduces electrical interference, while in aerospace, it ensures reliability in avionics systems. The coating withstands harsh operational conditions.
Perfect Fit for Automation: 6318-M-C3-SQ77 Bearing
6318-M-C3-SQ77 Bearing is often found in robotic arms and CNC machines, where precision and electrical safety are key. The SQ77 coating provides consistent performance over long periods.
"*" indicates required fields