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Single Row Cylindrical Roller Bearings With Inner Ring NU 348 M
Single Row Cylindrical Roller Bearings With Inner Ring NU 348 M

Single Row Cylindrical Roller Bearings With Inner Ring NU 348 M

The NU 348 M is a single-row cylindrical roller bearing with a 240mm bore and 500mm outer diameter, crafted from durable chrome steel. It handles combined loads up to 326250 lbf and operates smoothly at speeds up to 2000 RPM.

Its brass cage ensures stable roller alignment, 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 5mm chamfer and 5.6mm axial displacement tolerance, it fits well in demanding setups. Ideal for heavy machinery like gearboxes or industrial equipment where radial and axial loads are present.

Weighing 94.5kg, it’s robust for high-load applications. Compliant with RoHS and REACH standards, it’s a dependable choice for replacements, interchangeable with SKF bearings.

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Product Parameters

  • Part Number NU 348 M
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 240 mm
  • Bore Dia Tolerance -0.03mm to 0
  • Outer Dia 500 mm
  • Outer Dia Tolerance -0.045mm to 0
  • Width 95 mm
  • Width Tolerance -0.30mm to 0
  • Chamfer Dimension r1,2(min.) 5 mm
  • Permissible Axial Displacement(max.) 5.6 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 326250 lbf
  • Static Radial Load 450000 lbf
  • Lubrication Grease, Oil
  • Temperature Range -30° to 110 °C
  • RoHS Compliant
  • REACH Compliant
  • Max Speed 2000 rpm
  • Weight 94.5 kg
  • Shoulder Dia Of Outer Ring 403 mm
  • Raceway Diameter Of Inner Ring 310 mm

Features

Performance Features of NU 348 M Bearing

NU 348 M Bearing is built with chrome steel rings and rollers, offering high resistance to combined loads.
Its dynamic radial load capacity reaches 326,250 lbf, making it suitable for heavy-duty applications.

The brass cage ensures proper roller alignment, reducing friction and enhancing durability.
With a maximum speed of 2,000 rpm, it delivers reliable performance in various conditions.

NU 348 M Bearing operates efficiently in temperatures ranging from -30° to 110°C.
Its open design allows for easy lubrication with grease or oil, simplifying maintenance.

Application

Industrial Uses of NU 348 M Bearing
NU 348 M 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 348 M Bearing Used?
In wind turbines, NU 348 M Bearing handles combined loads efficiently, thanks to its robust chrome steel construction. Its open design allows for easy lubrication, extending service life in harsh environments.

Built for Heavy-Duty Use: NU 348 M Bearing
NU 348 M Bearing excels in mining equipment, where its large bore and width accommodate significant radial forces. The metric dimensions ensure compatibility with standard industrial components.

Automotive vs Aerospace: Applications of NU 348 M Bearing
In automotive applications, NU 348 M Bearing supports large drivetrain components, while in aerospace, its precision tolerances make it ideal for auxiliary systems. The temperature range suits both environments.

Essential Roles of NU 348 M Bearing
NU 348 M Bearing is vital in steel mills, where its static radial load capacity withstands extreme pressures. The grease lubrication option simplifies maintenance in high-temperature settings.

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