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The 6319-M-C3-SQ77 is an electrically insulated ball bearing with a 95mm bore and 200mm outer diameter, designed to prevent electrical currents from damaging machinery. It features a durable brass cage and can handle dynamic loads up to 159 kN.
Its outer ring has a special insulation coating (SQ77) with a breakdown voltage of 1000-3000V, making it ideal for electric motors or generators. The bearing operates smoothly at speeds up to 7000 rpm.
With a C3 radial clearance, it accommodates thermal expansion in demanding conditions. The coating also provides electrical resistance of 50-200 MΩ, reducing the risk of current leakage.
Weighing 5.65kg, this robust bearing suits industrial applications where electrical insulation is crucial, such as wind turbines or railway systems. It’s ROHS compliant for environmental safety.
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How Is 6319-M-C3-SQ77 Bearing Engineered for Reliability?
6319-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 overall performance.
With a basic dynamic load rating of 159.0 kN, it handles heavy loads efficiently.
Its breakdown voltage ranges from 1000 to 3000 V, making it suitable for demanding electrical applications.
Industrial Uses of 6319-M-C3-SQ77 Bearing
This bearing is commonly used in electric motors and generators, where its insulating coating prevents electrical arcing and extends component life. The brass cage ensures smooth operation even under high rotational speeds.
Where Is 6319-M-C3-SQ77 Bearing Used?
You’ll find it in wind turbines and industrial drives, handling heavy loads while maintaining electrical insulation. Its C3 clearance allows for thermal expansion in demanding environments.
Perfect Fit for Automation: 6319-M-C3-SQ77 Bearing
In robotic systems, this bearing reduces downtime by resisting electrical currents that can cause damage. The SQ77 coating provides reliable insulation without compromising performance.
Medical vs Industrial: Where 6319-M-C3-SQ77 Bearing Excels
While not typically used in medical devices, it shines in industrial settings like conveyor systems and pumps. The high breakdown voltage makes it ideal for equipment prone to electrical interference.
Essential Roles of 6319-M-C3-SQ77 Bearing
In railway applications, this bearing supports traction motors, combining durability with electrical safety. The 200 mm outer diameter offers stability for heavy-duty use.
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