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Single Row Cylindrical Roller Bearings With Inner Ring NJ 2252 MA
Single Row Cylindrical Roller Bearings With Inner Ring NJ 2252 MA

Single Row Cylindrical Roller Bearings With Inner Ring NJ 2252 MA

The NJ 2252 MA is a single row cylindrical roller bearing with a 260mm bore and 480mm outer diameter, built from sturdy chrome steel. It handles combined loads up to 402750 lbf and runs smoothly at speeds up to 2000 RPM.

Its brass cage ensures durability, while the open design 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 reliable choice for replacements. Ideal for heavy machinery or industrial equipment where high radial and axial loads are present.

Weighing 112kg, it’s robust and built for long-lasting performance. Compliant with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number NJ 2252 MA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 260 mm
  • Bore Dia Tolerance -0.035mm to 0
  • Outer Dia 480 mm
  • Outer Dia Tolerance -0.045mm to 0
  • Width 130 mm
  • Width Tolerance -0.35mm to 0
  • Shoulder Dia Of Inner Ring 340 mm
  • Chamfer Dimension r1,2(min.) 5 mm
  • Permissible Axial Displacement(max.) 4.3 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 402750 lbf
  • Static Radial Load 675000 lbf
  • Lubrication Grease, Oil
  • Temperature Range -30° to 110 °C
  • RoHS Compliant
  • REACH Compliant
  • Max Speed 2000 rpm
  • Weight 112 kg
  • Shoulder Dia Of Outer Ring 397 mm
  • Raceway Diameter Of Inner Ring 320 mm

Features

Performance Features of NJ 2252 MA Bearing

NJ 2252 MA Bearing is built with chrome steel rings and rollers, offering excellent resistance to combined loads.
Its dynamic radial load capacity reaches 402,750 lbf, making it suitable for heavy-duty applications.

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

NJ 2252 MA Bearing operates efficiently in temperatures from -30° to 110°C, adapting to diverse working conditions.
Its open design allows for easy lubrication with grease or oil, simplifying maintenance.

The precise tolerances and robust construction of NJ 2252 MA Bearing ensure long service life and consistent performance.
Weighing 112 kg, it is designed for stability and strength in demanding environments.

Application

Industrial Uses of NJ 2252 MA Bearing
NJ 2252 MA 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.

What Makes NJ 2252 MA Bearing a Preferred Choice?
In wind turbine applications, NJ 2252 MA Bearing’s chrome steel construction offers durability against harsh weather conditions. Its metric sizing makes it interchangeable with major brands like SKF, simplifying replacements.

Built for Heavy-Duty Use: NJ 2252 MA Bearing
This bearing excels in mining equipment, where its combined load capacity manages both radial and axial forces. The open seal design allows for easy lubrication, extending service life in dusty environments.

Automotive vs Aerospace: Applications of NJ 2252 MA Bearing
In automotive production lines, NJ 2252 MA Bearing supports large presses and robotic arms with reliable performance. For aerospace, its high-temperature tolerance suits auxiliary power units and landing gear systems.

Perfect Fit for Automation: NJ 2252 MA Bearing
NJ 2252 MA Bearing is ideal for automated assembly lines, where precision and load capacity are critical. The inner ring design ensures stable alignment, reducing maintenance downtime in continuous operations.

Q&A

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