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The 6312-M-C4-SQ77 is an electrically insulated ball bearing with a 60mm bore and 130mm outer diameter, designed to handle both radial and axial loads. It features a special coating on the outer ring to prevent electrical currents from damaging the bearing.
With a dynamic load rating of 85.2 kN, it can handle heavy-duty applications while maintaining smooth operation at speeds up to 11,000 RPM. The brass cage ensures durability and reduces friction.
The insulating coating provides a breakdown voltage of 1000-3000V, making it ideal for electric motors or generators where electrical currents are present. Its C4 radial clearance allows for thermal expansion in high-speed applications.
Weighing 1.72kg, this bearing is robust yet manageable for installation. Compliant with RoHS standards, it’s a reliable choice for industrial and electrical machinery.
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Why Choose 6312-M-C4-SQ77 Bearing for Precision Tasks?
6312-M-C4-SQ77 Bearing features an insulating coating on the outer ring, preventing electrical damage in sensitive applications.
With a breakdown voltage of 1000-3000 V, it ensures reliable operation in electrically charged environments.
The brass cage design enhances stability and reduces friction during high-speed rotations.
Its reference speed of 11,000 r/min makes it suitable for demanding industrial uses.
Basic dynamic load rating of 85.2 kN ensures durability under heavy loads.
The C4 radial internal clearance provides optimal performance in varying thermal conditions.
Electrical resistance of 50-200 MΩ minimises current leakage risks.
This makes 6312-M-C4-SQ77 Bearing ideal for motors and generators requiring precision insulation.
Industrial Uses of 6312-M-C4-SQ77 Bearing
This bearing is commonly used in electric motors and generators, where its electrically insulated coating prevents current leakage and protects against damage. The brass cage ensures smooth operation even under high-speed conditions.
Where Is 6312-M-C4-SQ77 Bearing Used?
You’ll find it in wind turbines and industrial pumps, where the C4 clearance helps handle thermal expansion. The SQ77 coating also makes it reliable in environments with electrical interference.
Built for Heavy-Duty Use: 6312-M-C4-SQ77 Bearing
It’s a solid choice for conveyor systems and compressors, thanks to its high dynamic load rating. The insulation layer adds durability in harsh industrial settings.
Automotive vs Aerospace: Applications of 6312-M-C4-SQ77 Bearing
In automotive alternators, it prevents electrical arcing, while in aerospace systems, its lightweight design and insulation are key. The 130 mm outer diameter fits various compact spaces.
Perfect Fit for Automation: 6312-M-C4-SQ77 Bearing
Robotic arms and CNC machines benefit from its precision and electrical resistance. The 31 mm width ensures it fits neatly into tight assemblies without compromising performance.
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