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The 6315-M-C4-SQ77 is an electrically insulated ball bearing with a 75mm bore and 160mm outer diameter, designed to prevent electrical currents from damaging machinery. Its outer ring features a special coating (SQ77) that provides insulation, with a breakdown voltage of up to 3000V.
This bearing handles dynamic loads up to 119kN and spins smoothly at speeds up to 9000 RPM. The brass cage ensures durability, while the C4 radial clearance offers flexibility in high-temperature or high-speed applications.
The insulation layer (100-500µm thick) resists electrical currents, making it ideal for electric motors or generators. With a weight of 3.5kg, it’s robust yet manageable for industrial use.
Compliant with RoHS standards, it’s a reliable choice for environments where electrical insulation is critical. Suitable for wind turbines or conveyor systems where stray currents are a concern.
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How Is 6315-M-C4-SQ77 Bearing Engineered for Reliability?
6315-M-C4-SQ77 Bearing features an insulating coating on the outer ring, preventing electrical damage and ensuring long-term reliability.
The brass cage enhances stability, while the C4 radial internal clearance accommodates thermal expansion.
With a breakdown voltage of 1000~3000 V, it safely handles electrical currents in demanding environments.
Its dynamic load rating of 119.0 kN ensures robust performance under heavy loads.
Industrial Uses of 6315-M-C4-SQ77 Bearing
This bearing is commonly used in electric motors and generators, where its insulation coating prevents electrical arcing and extends service life. The brass cage adds durability, making it suitable for high-speed applications.
Where Is 6315-M-C-SQ77 Bearing Used?
You’ll often find this bearing in wind turbines and industrial pumps, where its high breakdown voltage ensures reliable performance. The C4 clearance allows for thermal expansion in demanding environments.
Built for Heavy-Duty Use: 6315-M-C4-SQ77 Bearing
Perfect for conveyor systems and compressors, this bearing handles heavy loads with ease. Its insulation coating also makes it a safe choice for equipment prone to electrical currents.
Automotive vs Aerospace: Applications of 6315-M-C4-SQ77 Bearing
In automotive alternators, this bearing resists electrical damage, while in aerospace, its lightweight design and reliability are key. The SQ77 coating ensures consistent performance in both fields.
Practical Applications of 6315-M-C4-SQ77 Bearing
Ideal for CNC machines, this bearing reduces downtime with its insulated design. The high dynamic load rating makes it a dependable choice for precision equipment.
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