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Single Row Cylindrical Roller Bearings With Inner Ring NU 244 ECM
Single Row Cylindrical Roller Bearings With Inner Ring NU 244 ECM

Single Row Cylindrical Roller Bearings With Inner Ring NU 244 ECM

The NU 244 ECM is a single-row cylindrical roller bearing with a 220mm bore and 400mm outer diameter, crafted from durable chrome steel. It handles combined loads up to 238,500 lbf and operates smoothly at speeds up to 2000 RPM.

Its brass cage keeps rollers centred for even load distribution, while the open design allows easy lubrication with grease or oil. The bearing performs reliably in temperatures from -30°C to 110°C.

With a width of 65mm and chamfered edges, it fits snugly in heavy-duty setups. Ideal for industrial machinery like gearboxes or compressors where high radial loads are common.

Weighing 37.1kg, it’s built for robust performance. Compliant with RoHS and REACH standards, it’s interchangeable with SKF bearings for easy replacement.

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Product Parameters

  • Part Number NU 244 ECM
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 220 mm
  • Bore Dia Tolerance -0.03mm to 0
  • Outer Dia 400 mm
  • Outer Dia Tolerance -0.04mm to 0
  • Width 65 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.) 2.3 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 238500 lbf
  • Static Radial Load 290250 lbf
  • Lubrication Grease, Oil
  • Temperature Range -30° to 110 °C
  • RoHS Compliant
  • REACH Compliant
  • Max Speed 2000 rpm
  • Weight 37.1 kg
  • Shoulder Dia Of Outer Ring 342.15 mm
  • Raceway Diameter Of Inner Ring 268 mm

Features

How Does NU 244 ECM Bearing Handle Combined Loads?

NU 244 ECM Bearing features a chrome steel construction, providing robust resistance to both radial and axial loads.
Its dynamic radial load capacity reaches 238500 lbf, ensuring reliable performance in heavy-duty applications.
The brass cage keeps the rollers centred, reducing friction and extending operational life.
With a maximum speed of 2000 rpm, it offers a balance of durability and efficiency.

Application

Industrial Uses of NU 244 ECM Bearing
NU 244 ECM 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 rotation even at speeds up to 2000 rpm.

Where Is NU 244 ECM Bearing Used?
You’ll often find NU 244 ECM Bearing in mining equipment, where its robust construction withstands harsh conditions. Its open design allows for easy lubrication, extending service life in demanding environments.

Built for Heavy-Duty Use: NU 244 ECM Bearing
NU 244 ECM Bearing excels in steel mills, supporting rolling mills with its high dynamic radial load capacity. The chrome steel rollers and rings provide durability under continuous operation.

Automotive vs Aerospace: Applications of NU 244 ECM Bearing
In automotive applications, NU 244 ECM Bearing is used in large truck transmissions, while in aerospace, it supports auxiliary power units. Its metric sizing ensures compatibility across industries.

Perfect Fit for Automation: NU 244 ECM Bearing
NU 244 ECM Bearing is ideal for robotic assembly lines, where precision and reliability are key. The combined load capability makes it versatile for various automation tasks.

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