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Electrically Insulated Ball Bearings 6318/C3VL2071
Electrically Insulated Ball Bearings 6318/C3VL2071

Electrically Insulated Ball Bearings 6318/C3VL2071

The 6318/C3VL2071 is an electrically insulated ball bearing with a 90mm bore and 190mm outer diameter, designed to handle both dynamic and static loads efficiently. Its inner ring features a special insulation coating to prevent electrical currents from damaging the bearing.

With a dynamic load rating of 151kN and a static load rating of 108kN, it performs reliably under heavy loads. The bearing can reach speeds up to 7500 RPM, making it suitable for high-speed applications.

The insulation coating provides a breakdown voltage of 1000-3000V and an electrical resistance of 50-200 MΩ, ensuring protection against electrical damage. Its C3 radial clearance allows for slight misalignment and thermal expansion.

Ideal for use in electric motors or generators where electrical insulation is crucial. Compliant with RoHS and REACH standards, it’s a safe and durable choice for industrial applications. Weighing 4.9kg, it balances strength and practicality.

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Product Parameters

  • Model 6318/C3VL2071
  • Product Category Electrically Insulated Ball Bearings
  • Coating Suffix VL2071
  • Insulating Coating Types Inner ring insulation coating
  • Manufacturers TFL
  • Bore Diameter 90.0 mm
  • Outside Diameter 190.0 mm
  • Width 43.0 mm
  • Net Weight 4.9 kg
  • Basic Dynamic Load Rating 151.0 kN
  • Basic Static Load Rating 108.0 kN
  • Reference Speed 7500.0 r/min
  • Breakdown Voltage (DC) 1000 ~3000 V
  • Layer Thickness 100~500 µm
  • Electrical Resistance 50~200 MΩ
  • Cage Material Sheet metal
  • Radial Internal Clearance C3
  • ROHS Compliant
  • REACH Compliant

Features

How Is 6318/C3VL2071 Bearing Engineered for Reliability?

6318/C3VL2071 Bearing features an inner ring insulation coating, preventing electrical current damage and ensuring long-term reliability.
With a breakdown voltage of 1000~3000 V, it safely handles electrical applications without compromising performance.
The sheet metal cage maintains ball alignment, reducing friction and wear.
Its C3 radial internal clearance allows for thermal expansion, making it suitable for high-speed operations up to 7,500 r/min.

Why Choose 6318/C3VL2071 Bearing for Precision Tasks?

6318/C3VL2071 Bearing offers a basic dynamic load rating of 151.0 kN, providing robust support for heavy-duty applications.
The insulating coating ensures electrical resistance of 50~200 MΩ, protecting against current leakage.
Its precise dimensions (90.0 mm x 190.0 mm x 43.0 mm) make it ideal for machinery requiring exact fits.
The bearing’s layer thickness of 100~500 µm enhances durability while maintaining electrical insulation properties.

Built for Reliability: 6318/C3VL2071 Bearing

6318/C3VL2071 Bearing’s chrome steel construction and insulation coating deliver consistent performance in electrically charged environments.
The C3 clearance accommodates thermal expansion, ensuring smooth operation under varying temperatures.
With a static load rating of 108.0 kN, it handles high loads without deformation.
Its lightweight design (4.9 kg) reduces overall system weight while maintaining strength.

What Ensures Smooth Operation in 6318/C3VL2071 Bearing?

6318/C3VL2071 Bearing’s sheet metal cage ensures proper ball spacing, minimising friction and noise.
The insulation coating prevents electrical arcing, maintaining smooth rotation even in high-voltage conditions.
Its reference speed of 7,500 r/min allows for efficient operation in fast-moving machinery.
The bearing’s compliance with ROHS and REACH standards ensures environmental and safety compatibility.

Application

Industrial Uses of 6318/C3VL2071 Bearing
6318/C3VL2071 Bearing is commonly used in electric motors and generators, where its insulating coating prevents electrical arcing and extends component life. The C3 radial clearance ensures reliable performance even under thermal expansion.

In wind turbine systems, 6318/C3VL2071 Bearing handles high dynamic loads while resisting electrical currents induced by variable frequencies. Its sheet metal cage offers durability in these demanding environments.

For industrial automation, 6318/C3VL2071 Bearing supports robotic arms and conveyor drives, where electrical insulation reduces downtime. The breakdown voltage range makes it suitable for both low and medium-voltage applications.

Where Is 6318/C3VL2071 Bearing Used?
You’ll find 6318/C3VL2071 Bearing in railway traction motors, where it mitigates stray currents that can damage traditional bearings. The 100~500 µm coating thickness provides consistent insulation over long service periods.

In CNC machinery, 6318/C3VL2071 Bearing maintains precision by eliminating electrical pitting on raceways. Its 7500 r/min reference speed suits high-speed spindle applications perfectly.

Built for Heavy-Duty Use: 6318/C3VL2071 Bearing
6318/C3VL2071 Bearing excels in steel mill equipment, withstanding both mechanical stress and electrical exposure. The 151 kN dynamic load rating ensures stability in continuous operation.

For pump systems, 6318/C3VL2071 Bearing’s 50~200 MΩ resistance prevents current leakage in wet environments. Its 43 mm width provides ample load distribution for axial forces.

Medical vs Industrial: Where 6318/C3VL2071 Bearing Excels
While not typically used in medical devices, 6318/C3VL2071 Bearing shines in industrial MRI support systems that require non-magnetic properties. The ROHS compliance meets strict environmental standards.

In food processing equipment, 6318/C3VL2071 Bearing’s insulation coating resists corrosion from washdowns. The 4.9 kg weight balances sturdiness with manageable installation.

Q&A

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