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SKF INSOCOAT Cylindrical Roller Bearings NU 1018 M/C4VA3091
SKF INSOCOAT Cylindrical Roller Bearings NU 1018 M/C4VA3091

SKF INSOCOAT Cylindrical Roller Bearings NU 1018 M/C4VA3091

The SKF INSOCOAT cylindrical roller bearing measures 90mm by 140mm by 24mm, featuring a robust design with a brass cage. It supports dynamic loads up to 80.9 kN and static loads up to 104 kN, handling high-speed operations smoothly.
Its special insulation coating protects against electrical currents, with a breakdown voltage from 1000 to 3000 VDC. This helps prevent damage in electrically noisy environments, ensuring reliable performance over time.
With a C4 radial clearance, it accommodates thermal expansion in demanding conditions. The coating also offers high electrical resistance, minimising the risk of current passage.
Suitable for electric motors or generators, it’s ideal where electrical insulation is needed. Compliant with RoHS and REACH, it’s a safe choice for industrial applications.

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Product Parameters

  • Model NU 1018 M/C4VA3091
  • Product Category INSOCOAT Cylindrical Roller Bearings
  • Insulating Coating Types Insulation coating
  • Coating Suffix VA3091
  • Manufacturers SKF
  • Bore Diameter 90.0 mm
  • Outside Diameter 140.0 mm
  • Width 24.0 mm
  • Net Weight 1.33 kg
  • Basic Dynamic Load Rating 80.9 kN
  • Basic Static Load Rating 104.0 kN
  • Reference Speed 5600.0r/min
  • Breakdown Voltage (DC) 1000 VDC to 3000 VDC
  • Layer Thic kNess 500 µm
  • Electrical Resistance Min. 50MΩ
  • Cage Material Machined brass
  • Radial Internal Clearance C4
  • ROHS Compliant
  • REACH Compliant

Features

How Does NU 1018 M/C4VA3091 Bearing Prevent Electrical Damage?

NU 1018 M/C4VA3091 Bearing features an insulating coating that protects against electrical currents.
This coating provides breakdown voltage protection from 1000 to 3000 VDC, preventing damage from stray currents.
The machined brass cage maintains proper ball alignment while offering excellent conductivity resistance.
With minimum electrical resistance of 50MΩ, it ensures reliable operation in electrically challenging environments.

Why Choose NU 1018 M/C4VA3091 Bearing for High-Speed Applications?

NU 1018 M/C4VA3091 Bearing handles reference speeds up to 5600 rpm while maintaining stability.
Its C4 radial internal clearance accommodates thermal expansion during high-speed operation.
The cylindrical roller design distributes loads evenly across the bearing surface.
This combination allows smooth performance in demanding high-speed industrial applications.

Engineered for Reliability: NU 1018 M/C4VA3091 Bearing

NU 1018 M/C4VA3091 Bearing carries basic dynamic loads of 80.9 kN for long service life.
The static load rating of 104.0 kN provides strength for heavy-duty applications.
Precision manufacturing ensures consistent performance across its temperature range.
These features make it a dependable choice for industrial machinery and equipment.

Application

Common Applications of NU 1018 M/C4VA3091 Bearing
NU 1018 M/C4VA3091 Bearing is commonly used in industrial equipment like large electric motors and pumps, where its insulation coating helps prevent electrical damage from stray currents.
This makes NU 1018 M/C4VA3091 Bearing a reliable component in machinery operating in electrically challenging environments, supporting consistent performance over time.

In automotive applications, NU 1018 M/C4VA3091 Bearing can be found in electric vehicle drivetrains and alternators, handling moderate radial loads with ease.
The cylindrical roller design and brass cage contribute to smooth rotation, which is beneficial for reducing noise and vibration in vehicle systems.

For medical devices such as diagnostic imaging equipment, NU 1018 M/C4VA3091 Bearing offers electrical insulation that minimises interference in sensitive electronic components.
This feature ensures that NU 1018 M/C4VA3091 Bearing maintains accuracy in precision instruments, supporting reliable operation in healthcare settings.

In automation and robotics, NU 1018 M/C4VA3091 Bearing is suitable for robotic arms and conveyor systems, where its C4 clearance allows for thermal expansion under varying speeds.
The insulation properties also help protect against electrical arcing in automated controls, extending service life in repetitive motion applications.

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