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Single Row Cylindrical Roller Bearings With Inner Ring NU 334 ECM

Single Row Cylindrical Roller Bearings With Inner Ring NU 334 ECM

The NU 334 ECM is a single row cylindrical roller bearing with a 170mm bore and 360mm outer diameter, built from tough chrome steel for long-lasting performance. It handles combined loads up to 214200 lbf and runs 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 operates well in temperatures from -30°C to 110°C.

With a 72mm width and chamfered edges, it fits snugly in heavy-duty setups. Ideal for industrial machinery like gearboxes or pumps where high radial loads are common.

Weighing 33.2kg, 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 334 ECM
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 170 mm
  • Bore Dia Tolerance -0.025mm to 0
  • Outer Dia 360 mm
  • Outer Dia Tolerance -0.04mm to 0
  • Width 72 mm
  • Width Tolerance -0.25mm to 0
  • Chamfer Dimension r1,2(min.) 4 mm
  • Chamfer Dimension r3,4(min.) 4 mm
  • Permissible Axial Displacement(max.) 4.6 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 214200 lbf
  • Static Radial Load 265500 lbf
  • Lubrication Grease, Oil
  • Temperature Range -30° to 110 °C
  • RoHS Compliant
  • REACH Compliant
  • Max Speed 2000 rpm
  • Weight 33.2 kg
  • Shoulder Dia Of Outer Ring 300.45 mm
  • Raceway Diameter Of Inner Ring 218 mm
Single Row Cylindrical Roller Bearings With Inner Ring NU 334 ECM dimension drawing
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Features

Performance Features of NU 334 ECM Bearing

NU 334 ECM Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 214200 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 2000 rpm, it balances durability and efficiency in demanding conditions.

How Does NU 334 ECM Bearing Reduce Friction?

NU 334 ECM Bearing features a brass cage design that minimises friction between rollers and rings.
The chrome steel construction ensures smooth operation even under high radial loads.
Its precision engineering allows for efficient lubrication with grease or oil.
This combination of features results in reduced wear and longer maintenance intervals.

Engineered for Precision: NU 334 ECM Bearing

NU 334 ECM Bearing’s single row cylindrical design provides precise load distribution.
The chrome steel rollers and rings maintain dimensional stability under heavy loads.
With a temperature range of -30° to 110°C, it performs reliably in various environments.
Its open design allows for easy lubrication and maintenance when required.

Application

Industrial Uses of NU 334 ECM Bearing
NU 334 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 operation even at speeds up to 2000 rpm.

Where Is NU 334 ECM Bearing Used?
In automotive applications, NU 334 ECM Bearing supports components such as truck transmissions and axle systems, thanks to its robust chrome steel construction. Its metric sizing makes it a reliable choice for European and Asian vehicle manufacturers.

Built for Heavy-Duty Use: NU 334 ECM Bearing
NU 334 ECM Bearing excels in construction equipment like cranes and excavators, where its high dynamic radial load capacity ensures durability. The open design allows for easy lubrication, extending its service life in demanding environments.

Automotive vs Aerospace: Applications of NU 334 ECM Bearing
NU 334 ECM Bearing is versatile enough for both automotive drivetrains and aerospace landing gear systems, offering reliable performance under combined loads. Its temperature range of -30° to 110°C makes it suitable for varied operating conditions.

Perfect Fit for Automation: NU 334 ECM Bearing
NU 334 ECM Bearing is ideal for automated production lines and robotics, where precision and reliability are key. The brass cage reduces friction, ensuring smooth movement in high-speed applications.

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