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Single Row Cylindrical Roller Bearings With Inner Ring NU 424
Single Row Cylindrical Roller Bearings With Inner Ring NU 424

Single Row Cylindrical Roller Bearings With Inner Ring NU 424

The NU 424 is a single row cylindrical roller bearing with a 120mm bore and 310mm outer diameter, built from sturdy chrome steel. It handles combined loads up to 144900 lbf and runs smoothly at speeds up to 3000 RPM.

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

With a width of 72mm and chamfered edges, it fits snugly in tight spaces. Ideal for heavy-duty applications like industrial gearboxes or large machinery where radial and axial loads are present.

Weighing 27.3kg, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a reliable choice for replacements, interchangeable with SKF bearings.

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Product Parameters

  • Part Number NU 424
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 120 mm
  • Bore Dia Tolerance -0.02mm to 0
  • Outer Dia 310 mm
  • Outer Dia Tolerance -0.035mm to 0
  • Width 72 mm
  • Width Tolerance -0.20mm to 0
  • Chamfer Dimension r1,2(min.) 5 mm
  • Chamfer Dimension r3,4(min.) 5 mm
  • Permissible Axial Displacement(max.) 6.3 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 144900 lbf
  • Static Radial Load 165375 lbf
  • Lubrication Grease, Oil
  • Temperature Range -30° to 110 °C
  • RoHS Compliant
  • REACH Compliant
  • Max Speed 3000 rpm
  • Weight 27.3 kg
  • Shoulder Dia Of Outer Ring 238.5 mm
  • Raceway Diameter Of Inner Ring 170 mm

Features

How Does NU 424 Bearing Handle Combined Loads?

NU 424 Bearing is built with chrome steel rings and rollers, offering strong resistance to both radial and axial loads.
Its dynamic radial load capacity reaches 144,900 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 3,000 rpm, it balances durability and efficiency in demanding conditions.

Application

Industrial Uses of NU 424 Bearing
NU 424 Bearing is commonly used in heavy machinery like industrial gearboxes and large conveyor systems, where its cylindrical roller design handles combined loads effectively. The brass cage ensures smooth operation even at high speeds.

Where Is NU 424 Bearing Used?
You’ll often find NU 424 Bearing in wind turbines and mining equipment, 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 424 Bearing
NU 424 Bearing excels in steel mills and paper processing plants, where its high dynamic radial load capacity is crucial. The metric sizing ensures compatibility with a wide range of industrial equipment.

Automotive vs Aerospace: Applications of NU 424 Bearing
In automotive applications, NU 424 Bearing supports large drivetrain components, while in aerospace, it’s used in auxiliary systems. Its temperature range makes it versatile for both industries.

Perfect Fit for Automation: NU 424 Bearing
NU 424 Bearing is a reliable choice for robotic arms and automated production lines, where precision and durability are key. The grease or oil lubrication options add to its flexibility.

Q&A

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