NKE Electrically Insulated Ball Bearings 6324-M-C3-SQ77

The 6324-M-C3-SQ77 is an electrically insulated ball bearing with a 120mm bore and 260mm outer diameter, designed to handle both radial and axial loads. Its robust chrome steel construction ensures durability, while the brass cage enhances performance.

The insulating coating on the outer ring prevents electrical currents from damaging the bearing, with a breakdown voltage of 1000-3000V. It supports dynamic loads up to 216kN and operates smoothly at speeds up to 5600 RPM.

With a C3 radial internal clearance, it accommodates thermal expansion, making it suitable for high-speed applications. The coating thickness ranges from 100 to 500µm, providing reliable insulation.

Ideal for electric motors and generators, this bearing is ROHS compliant and weighs 14.44kg. Its electrical resistance of 50-200 MΩ ensures safe operation in electrically charged environments.

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Description

Features

Application

Q&A

Product Parameters

Model 6324-M-C3-SQ77
Product Category Electrically Insulated Ball Bearings
Insulating Coating Types Insulation coating on outer ring
Coating Suffix SQ77
Manufacturers NKE
Bore Diameter 120.0 mm
Outside Diameter 260.0 mm
Width 55.0 mm
Net Weight 14.44 kg
Basic Dynamic Load Rating 216.0 kN
Basic Static Load Rating 186.0 kN
Reference Speed 5600.0 r/min
Breakdown Voltage (DC) 1000 ~3000 V
Layer Thickness 100~500 µm
Electrical Resistance 50~200 MΩ
Cage Material Brass cage
Radial Internal Clearance C3
ROHS Compliant
REACH Compliant

NKE Electrically Insulated Ball Bearings 6324-M-C3-SQ77 dimension drawing

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Features

How Is 6324-M-C3-SQ77 Bearing Engineered for Reliability?

6324-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 216.0 kN, it handles heavy loads efficiently.
Its breakdown voltage ranges from 1000 to 3000 V, making it suitable for electrically demanding applications.

The C3 radial internal clearance allows for thermal expansion, maintaining performance under varying conditions.
6324-M-C3-SQ77 Bearing’s reference speed of 5600.0 r/min ensures reliable high-speed operation.

Application

Industrial Uses of 6324-M-C3-SQ77 Bearing
The 6324-M-C3-SQ77 Bearing is commonly used in industrial motors and generators, where electrical insulation prevents current leakage and extends equipment life. Its brass cage and C3 clearance ensure smooth operation even under heavy loads.

Where Is 6324-M-C3-SQ77 Bearing Used?
You’ll often find 6324-M-C3-SQ77 Bearing in wind turbines and electric vehicles, where its high breakdown voltage protects against electrical damage. The insulation coating also makes it ideal for environments with frequent electrical surges.

Built for Heavy-Duty Use: 6324-M-C3-SQ77 Bearing
In conveyor systems and large pumps, 6324-M-C3-SQ77 Bearing handles both radial and axial loads with ease. The robust design and brass cage provide durability in demanding industrial settings.

Automotive vs Aerospace: Applications of 6324-M-C3-SQ77 Bearing
While 6324-M-C3-SQ77 Bearing is popular in automotive electric motors, it’s also trusted in aerospace applications for its reliability. The insulation coating ensures safety in high-voltage environments across both sectors.

Perfect Fit for Automation: 6324-M-C3-SQ77 Bearing
In robotic arms and automated machinery, 6324-M-C3-SQ77 Bearing offers precise movement and electrical insulation. Its high dynamic load rating makes it suitable for continuous operation in smart factories.