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Single Row Cylindrical Roller Bearings With Inner Ring NU 338 ECM

Single Row Cylindrical Roller Bearings With Inner Ring NU 338 ECM

The NU 338 ECM is a single-row cylindrical roller bearing with a 190mm bore and 400mm outer diameter, crafted from durable chrome steel. It handles combined loads up to 256500 lbf and operates smoothly at speeds up to 2000 RPM.

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

With a weight of 50kg, it’s built for heavy-duty applications. The bearing is interchangeable with SKF models, making it a practical choice for replacements.

Ideal for industrial machinery or equipment where high radial loads are common, this bearing offers robust performance and long service life. Compliant with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number NU 338 ECM
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 190 mm
  • Bore Dia Tolerance -0.03mm to 0
  • Outer Dia 400 mm
  • Outer Dia Tolerance -0.04mm to 0
  • Width 78 mm
  • Width Tolerance -0.30mm to 0
  • Chamfer Dimension r1,2(min.) 5 mm
  • Chamfer Dimension r3,4(min.) 5 mm
  • Permissible Axial Displacement(max.) 4.3 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, roller centred
  • Dynamic Radial Load 256500 lbf
  • Static Radial Load 337500 lbf
  • Lubrication Grease, Oil
  • Temperature Range -30° to 110 °C
  • RoHS Compliant
  • REACH Compliant
  • Max Speed 2000 rpm
  • Weight 50 kg
  • Shoulder Dia Of Outer Ring 336.3 mm
  • Raceway Diameter Of Inner Ring 245 mm
Single Row Cylindrical Roller Bearings With Inner Ring NU 338 ECM dimension drawing
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Features

Performance Features of NU 338 ECM Bearing

NU 338 ECM Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 256,500 lbf, ensuring reliable performance in heavy-duty applications.

The brass cage keeps the rollers centred, reducing friction and extending service life.
With a maximum speed of 2,000 rpm, it balances durability and efficiency in demanding conditions.

NU 338 ECM Bearing operates smoothly in temperatures ranging from -30° to 110°C.
Its open design allows for easy lubrication with grease or oil, reducing maintenance needs.

The precise tolerances of NU 338 ECM Bearing ensure consistent performance.
Its robust construction makes it suitable for high-load industrial applications.

Application

Industrial Uses of NU 338 ECM Bearing
NU 338 ECM Bearing is commonly used in heavy machinery like industrial gearboxes and large conveyor systems, where its high radial load capacity ensures reliable performance. The brass cage design helps reduce friction, making it suitable for continuous operation.

Where Is NU 338 ECM Bearing Used?
You’ll often find NU 338 ECM Bearing in wind turbines and mining equipment, thanks to its ability to handle combined loads and high speeds. Its chrome steel construction also makes it durable in harsh environments.

Built for Heavy-Duty Use: NU 338 ECM Bearing
NU 338 ECM Bearing excels in applications like steel mills and paper processing machines, where its robust design withstands extreme conditions. The open seal type allows for easy lubrication, extending its service life.

Automotive vs Aerospace: Applications of NU 338 ECM Bearing
In automotive settings, NU 338 ECM Bearing supports large drivetrain components, while in aerospace, it’s used in auxiliary systems due to its precision and load capacity. The metric sizing ensures compatibility across industries.

Perfect Fit for Automation: NU 338 ECM Bearing
NU 338 ECM Bearing is ideal for robotic arms and automated production lines, where its smooth operation and high-speed capability are essential. The brass cage further enhances its performance in repetitive motion tasks.

Q&A

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