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FAG Current-Insulated Bearings 6318-M-J20AA-C4
FAG Current-Insulated Bearings 6318-M-J20AA-C4

FAG Current-Insulated Bearings 6318-M-J20AA-C4

The FAG 6318-M-J20AA-C4 is a current-insulated bearing with a 90mm bore and 190mm outer diameter, designed to prevent electrical damage. Its outer ring features a ceramic coating, providing insulation up to 3000V.

With a dynamic load rating of 142kN, it handles heavy loads while maintaining smooth rotation at speeds up to 6300 RPM. The brass cage adds durability and reduces friction for reliable performance.

The C4 radial clearance allows for thermal expansion, making it suitable for high-temperature environments. It weighs 6kg and complies with RoHS and REACH standards.

Ideal for electric motors or generators where electrical currents could cause damage, this bearing offers both mechanical strength and electrical protection. The coating remains effective even in damp conditions.

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Product Parameters

  • Model 6318-M-J20AA-C4
  • Product Category Current-Insulated Bearings
  • Insulating Coating Types Outer ring ceramic coated
  • Coating Suffix J20AA
  • Manufacturers FAG
  • Bore Diameter 90.0 mm
  • Outside Diameter 190.0 mm
  • Width 43.0 mm
  • Net Weight 6 kg
  • Basic Dynamic Load Rating 142.0 kN
  • Basic Static Load Rating 102.0 kN
  • Reference Speed 6300 r/min
  • Breakdown Voltage (DC) ≤3000 V
  • Layer Thickness 200 µm
  • Electrical Resistance 50MΩ (Dry); 10MΩ (Damp)
  • Cage Material Brass cage
  • Radial Internal Clearance C4
  • ROHS Compliant
  • REACH Compliant

Features

How Does 6318-M-J20AA-C4 Bearing Prevent Electrical Damage?

6318-M-J20AA-C4 Bearing features an outer ring ceramic coating, providing excellent insulation against electrical currents.
This design ensures a breakdown voltage of up to 3000 V, protecting against electrical damage in demanding applications.

The brass cage enhances durability and maintains smooth operation under high-speed conditions.
With a reference speed of 6300 r/min, it balances performance and reliability.

Its C4 radial internal clearance allows for thermal expansion, making it suitable for variable operating conditions.
The coating maintains high electrical resistance, even in damp environments.

Application

Industrial Uses of 6318-M-J20AA-C4 Bearing
6318-M-J20AA-C4 Bearing is commonly used in electric motors and generators, where its current-insulating properties prevent damage from stray currents. The ceramic coating on the outer ring ensures reliable performance in high-voltage environments.

What Makes 6318-M-J20AA-C4 Bearing a Preferred Choice?
With its brass cage and C4 radial clearance, 6318-M-J20AA-C4 Bearing handles high-speed operations smoothly, making it ideal for industrial fans and pumps. The coating also resists moisture, extending its lifespan in damp conditions.

Perfect Fit for Automation: 6318-M-J20AA-C4 Bearing
In robotic systems, 6318-M-J20AA-C4 Bearing’s high dynamic load rating supports precise movements, while its insulation protects sensitive electronics. The 43mm width provides stability in compact designs.

Medical vs Industrial: Where 6318-M-J20AA-C4 Bearing Excels
While 6318-M-J20AA-C4 Bearing is robust enough for heavy machinery, its clean operation suits medical imaging devices too. The breakdown voltage of ≤3000V ensures safety in critical applications.

Essential Roles of 6318-M-J20AA-C4 Bearing
From wind turbines to conveyor systems, 6318-M-J20AA-C4 Bearing’s 142kN dynamic load rating handles demanding tasks. Its 6300 r/min speed capability keeps operations efficient without compromising durability.

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