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Single Row Cylindrical Roller Bearings With Inner Ring NU 3156 ECMA

Single Row Cylindrical Roller Bearings With Inner Ring NU 3156 ECMA

The NU 3156 ECMA is a single row cylindrical roller bearing with a 280mm bore and 460mm outer diameter, built from sturdy chrome steel. It handles combined loads up to 515250 lbf and runs smoothly at speeds up to 2000 RPM.

Its brass cage design ensures durability, while the open seal allows for easy lubrication with grease or oil. The bearing operates well in temperatures from -30°C to 110°C.

This model is interchangeable with SKF bearings, making it a practical choice for replacements. Ideal for heavy-duty applications like industrial machinery or large gearboxes where high radial loads are common.

Weighing 101kg, it’s a robust option for demanding environments. Compliant with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number NU 3156 ECMA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 280 mm
  • Bore Dia Tolerance -0.035mm to 0
  • Outer Dia 460 mm
  • Outer Dia Tolerance -0.045mm to 0
  • Width 146 mm
  • Width Tolerance -0.35mm to 0
  • Chamfer Dimension r1,2(min.) 5 mm
  • Permissible Axial Displacement(max.) 0.4 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, outer ring centred
  • Dynamic Radial Load 515250 lbf
  • Static Radial Load 877500 lbf
  • Lubrication Grease, Oil
  • Temperature Range -30° to 110 °C
  • RoHS Compliant
  • REACH Compliant
  • Max Speed 2000 rpm
  • Weight 101 kg
  • Shoulder Dia Of Outer Ring 406 mm
  • Raceway Diameter Of Inner Ring 321 mm
Single Row Cylindrical Roller Bearings With Inner Ring NU 3156 ECMA dimension drawing
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Features

Performance Features of NU 3156 ECMA Bearing

NU 3156 ECMA Bearing is built with chrome steel rings and rollers, offering high resistance to combined loads.
Its dynamic radial load capacity reaches 515,250 lbf, making it suitable for heavy-duty applications.

The brass cage ensures smooth operation and reduces wear, even at high speeds up to 2,000 rpm.
With a temperature range of -30° to 110°C, it performs reliably in various environments.

NU 3156 ECMA Bearing’s open design allows for easy lubrication with grease or oil, reducing maintenance needs.
Its precise dimensions and tolerances ensure a perfect fit and long service life.

Application

Industrial Uses of NU 3156 ECMA Bearing
NU 3156 ECMA Bearing is commonly used in heavy industrial machinery like rolling mills and large gearboxes, where its high radial load capacity is essential. The brass cage design helps reduce friction, making it suitable for continuous operation.

In wind turbine applications, NU 3156 ECMA Bearing handles the combined loads from rotor blades efficiently. Its chrome steel construction ensures durability even in harsh outdoor conditions.

For mining equipment, NU 3156 ECMA Bearing’s large bore and robust design make it ideal for crushers and conveyors. The open seal type allows for easy lubrication, extending service life in dusty environments.

What Makes NU 3156 ECMA Bearing a Preferred Choice?
NU 3156 ECMA Bearing is often selected for paper manufacturing machinery due to its ability to handle high speeds and heavy loads. The metric dimensions ensure compatibility with European-designed equipment.

In steel production plants, NU 3156 ECMA Bearing supports rollers in hot strip mills. Its temperature resistance up to 110°C makes it reliable in high-heat processes.

Built for Heavy-Duty Use: NU 3156 ECMA Bearing
NU 3156 ECMA Bearing performs well in marine propulsion systems, where its corrosion-resistant materials withstand salty environments. The large size accommodates substantial shaft diameters.

For railway applications, NU 3156 ECMA Bearing is used in axle boxes due to its static load capacity. The brass cage provides quiet operation, important for passenger comfort.

Low-Speed vs High-Speed: Performance of NU 3156 ECMA Bearing
NU 3156 ECMA Bearing works efficiently in both low-speed heavy machinery and high-speed industrial fans. Its balanced design maintains stability across different RPM ranges.

In hydroelectric power plants, NU 3156 ECMA Bearing supports turbine shafts reliably. The oil lubrication option helps in water-exposed applications.

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