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Single Row Cylindrical Roller Bearings With Inner Ring NU 256 MA

Single Row Cylindrical Roller Bearings With Inner Ring NU 256 MA

The NU 256 MA 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 267,750 lbf and runs smoothly at speeds up to 2000 RPM.

Its brass cage design ensures durability, while the open structure allows 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 machinery or industrial equipment where high radial loads are common.

Weighing 71.5kg, it’s built for robust performance in demanding conditions. Compliant with RoHS and REACH standards for safe and reliable use.

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Product Parameters

  • Part Number NU 256 MA
  • 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 80 mm
  • Width Tolerance -0.35mm to 0
  • Chamfer Dimension r1,2(min.) 5 mm
  • Permissible Axial Displacement(max.) 3.8 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 267750 lbf
  • Static Radial Load 405000 lbf
  • Lubrication Grease, Oil
  • Temperature Range -30° to 110 °C
  • RoHS Compliant
  • REACH Compliant
  • Max Speed 2000 rpm
  • Weight 71.5 kg
  • Shoulder Dia Of Outer Ring 417 mm
  • Raceway Diameter Of Inner Ring 340 mm
Single Row Cylindrical Roller Bearings With Inner Ring NU 256 MA dimension drawing
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Features

How Does NU 256 MA Bearing Handle Combined Loads?

NU 256 MA Bearing features a chrome steel construction, providing robust resistance to both radial and axial loads.
Its dynamic radial load capacity reaches 267,750 lbf, ensuring reliable performance in heavy-duty applications.
The brass cage keeps rollers aligned, reducing friction and extending operational life.
With a maximum speed of 2,000 rpm, it balances durability and efficiency in demanding conditions.

Application

Industrial Uses of NU 256 MA Bearing
NU 256 MA Bearing is commonly used in heavy machinery like industrial gearboxes and large conveyor systems, where its high radial load capacity is essential. The brass cage design helps reduce friction, making it suitable for continuous operation.

Where Is NU 256 MA Bearing Used?
You’ll often find NU 256 MA Bearing in wind turbine applications, where its ability to handle combined loads ensures reliable performance. Its chrome steel construction also makes it durable in harsh outdoor conditions.

Built for Heavy-Duty Use: NU 256 MA Bearing
NU 256 MA Bearing excels in mining equipment, supporting heavy radial loads in crushers and vibrating screens. The open seal design allows for easy lubrication, extending its service life.

Automotive vs Aerospace: Applications of NU 256 MA Bearing
In automotive manufacturing, NU 256 MA Bearing is used in large presses and stamping machines. For aerospace, it’s found in ground support equipment, thanks to its precision and load-bearing capabilities.

Key Fields for NU 256 MA Bearing
NU 256 MA Bearing is a go-to choice for paper mills, where its resistance to high speeds and heavy loads keeps production lines running smoothly. The metric sizing ensures compatibility with European machinery standards.

Q&A

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