lianxidianhua 086 15806631151 send-sms info@sdtflbearing.com
/
/
Single Row Cylindrical Roller Bearings With Inner Ring NU 2256 ECMA
Single Row Cylindrical Roller Bearings With Inner Ring NU 2256 ECMA

Single Row Cylindrical Roller Bearings With Inner Ring NU 2256 ECMA

The NU 2256 ECMA is a single row cylindrical roller bearing with a 280mm bore and 500mm outer diameter, built from sturdy chrome steel. It handles combined loads up to 495000 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 115kg, it’s a robust option for demanding environments. Compliant with RoHS and REACH standards for safe and reliable use.

SEND INQUIRY

"*" indicates required fields

This field is for validation purposes and should be left unchanged.

Product Parameters

  • Part Number NU 2256 ECMA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 280 mm
  • Bore Dia Tolerance -0.035mm to 0
  • Outer Dia 500 mm
  • Outer Dia Tolerance -0.045mm to 0
  • Width 130 mm
  • Width Tolerance -0.35mm to 0
  • Chamfer Dimension r1,2(min.) 5 mm
  • Permissible Axial Displacement(max.) 10.2 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 495000 lbf
  • Static Radial Load 776250 lbf
  • Lubrication Grease, Oil
  • Temperature Range -30° to 110 °C
  • RoHS Compliant
  • REACH Compliant
  • Max Speed 2000 rpm
  • Weight 115 kg
  • Shoulder Dia Of Outer Ring 433 mm
  • Raceway Diameter Of Inner Ring 333 mm

Features

Performance Features of NU 2256 ECMA Bearing

NU 2256 ECMA Bearing is built with chrome steel rings and rollers, offering high resistance to combined loads.
Its dynamic radial load capacity reaches 495,000 lbf, making it suitable for heavy-duty applications.

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

NU 2256 ECMA Bearing’s design allows for axial displacement up to 10.2 mm, providing flexibility in use.
Its open seal type simplifies maintenance, while the chrome steel construction enhances durability.

Application

Industrial Uses of NU 2256 ECMA Bearing
NU 2256 ECMA 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 2256 ECMA Bearing Used?
In wind turbines, NU 2256 ECMA Bearing supports the main shaft, thanks to its robust chrome steel construction and ability to withstand combined loads. Its open design allows for easy lubrication, extending service life in harsh environments.

Built for Heavy-Duty Use: NU 2256 ECMA Bearing
NU 2256 ECMA Bearing excels in mining equipment, where its large bore and high dynamic load capacity are essential. The metric dimensions make it a reliable choice for global machinery standards.

Automotive vs Aerospace: Applications of NU 2256 ECMA Bearing
In automotive applications, NU 2256 ECMA Bearing is found in large truck transmissions, while in aerospace, it supports auxiliary systems. Its temperature range of -30° to 110°C ensures performance in varied conditions.

Perfect Fit for Automation: NU 2256 ECMA Bearing
NU 2256 ECMA Bearing is ideal for automated production lines, where its precision and durability reduce downtime. The grease or oil lubrication options provide flexibility for different operational needs.

Q&A

SEND INQUIRY

"*" indicates required fields

This field is for validation purposes and should be left unchanged.