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Single Row Cylindrical Roller Bearings With Inner Ring NU 238 ECML

Single Row Cylindrical Roller Bearings With Inner Ring NU 238 ECML

The NU 238 ECML is a single row cylindrical roller bearing with a 190mm bore and 340mm outer diameter, built from sturdy chrome steel. It handles combined loads up to 180000 lbf and runs smoothly at speeds up to 3000 RPM.

Its brass cage design ensures durability, while the open structure allows easy lubrication with grease or oil. The bearing operates well in temperatures from -30°C to 110°C.

This model is interchangeable with SKF bearings, making it a practical choice for replacements. Ideal for heavy-duty applications like industrial gearboxes or large machinery where radial and axial loads are present.

Weighing 22.3kg, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards for safe and reliable use.

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Product Parameters

  • Part Number NU 238 ECML
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 190 mm
  • Bore Dia Tolerance -0.03mm to 0
  • Outer Dia 340 mm
  • Outer Dia Tolerance -0.04mm to 0
  • Width 55 mm
  • Width Tolerance -0.30mm to 0
  • Chamfer Dimension r1,2(min.) 4 mm
  • Chamfer Dimension r3,4(min.) 4 mm
  • Permissible Axial Displacement(max.) 3 mm
  • System of Measurement Metric
  • Roller Bearing Type Cylindrical
  • For Load Direction Combined
  • Construction Single Row
  • Inner Ring Type With Inner Ring
  • Seal Type Open
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Brass cage, inner or outer ring centred
  • Dynamic Radial Load 180000 lbf
  • Static Radial Load 217125 lbf
  • Lubrication Grease, Oil
  • Temperature Range -30° to 110 °C
  • RoHS Compliant
  • REACH Compliant
  • Max Speed 3000 rpm
  • Weight 22.3 kg
  • Shoulder Dia Of Outer Ring 295 mm
  • Raceway Diameter Of Inner Ring 230 mm
Single Row Cylindrical Roller Bearings With Inner Ring NU 238 ECML dimension drawing
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Features

How Does NU 238 ECML Bearing Handle Combined Loads?

NU 238 ECML Bearing is built with chrome steel rings and rollers, offering strong resistance to both radial and axial loads.
Its dynamic radial load capacity reaches 180,000 lbf, ensuring reliable performance in heavy-duty applications.
The brass cage keeps the rollers aligned, reducing wear and extending service life.
With a maximum speed of 3,000 rpm, it balances durability and efficiency in demanding conditions.

Application

Industrial Uses of NU 238 ECML Bearing
NU 238 ECML Bearing is commonly used in heavy machinery like industrial gearboxes and large electric motors, where its cylindrical roller design handles high radial loads efficiently. The brass cage ensures smooth operation even at speeds up to 3000 rpm.

Where Is NU 238 ECML Bearing Used?
You’ll often find NU 238 ECML Bearing in mining equipment and construction machinery, thanks to its robust chrome steel construction. Its open design allows for easy lubrication, making it ideal for harsh environments.

Built for Heavy-Duty Use: NU 238 ECML Bearing
NU 238 ECML Bearing excels in applications like steel mills and paper processing plants, where combined loads are common. The metric dimensions ensure compatibility with a wide range of industrial equipment.

Automotive vs Aerospace: Applications of NU 238 ECML Bearing
In automotive settings, NU 238 ECML Bearing supports large drivetrain components, while in aerospace, it’s used in auxiliary systems. Its temperature range of -30° to 110°C makes it versatile for various climates.

Perfect Fit for Automation: NU 238 ECML Bearing
NU 238 ECML Bearing is a reliable choice for automated production lines, particularly in robotic arms and conveyor systems. The high dynamic radial load capacity ensures long service life under constant use.

Q&A

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