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Single Row Cylindrical Roller Bearings With Inner Ring NJ 2248 MA

Single Row Cylindrical Roller Bearings With Inner Ring NJ 2248 MA

The NJ 2248 MA is a single row cylindrical roller bearing with a 240mm bore and 440mm outer diameter, built from sturdy chrome steel. It handles combined loads up to 326250 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.

With a width of 120mm and a weight of 86kg, it’s a robust choice for heavy-duty applications. The inner ring design helps with axial displacement up to 4.3mm.

Ideal for industrial machinery or large equipment where high radial and axial loads are present. Compliant with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number NJ 2248 MA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 240 mm
  • Bore Dia Tolerance -0.03mm to 0
  • Outer Dia 440 mm
  • Outer Dia Tolerance -0.045mm to 0
  • Width 120 mm
  • Width Tolerance -0.30mm to 0
  • Shoulder Dia Of Inner Ring 313 mm
  • Chamfer Dimension r1,2(min.) 4 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 326250 lbf
  • Static Radial Load 531000 lbf
  • Lubrication Grease, Oil
  • Temperature Range -30° to 110 °C
  • RoHS Compliant
  • REACH Compliant
  • Max Speed 2000 rpm
  • Weight 86 kg
  • Shoulder Dia Of Outer Ring 365 mm
  • Raceway Diameter Of Inner Ring 295 mm

Features

How Does NJ 2248 MA Bearing Handle Combined Loads?

NJ 2248 MA Bearing is built with chrome steel rings and rollers, offering strong resistance to both radial and axial loads.
Its dynamic radial load capacity reaches 326,250 lbf, ensuring reliable performance in heavy-duty applications.
The brass cage keeps the rollers aligned, reducing wear and extending service life.
With a maximum speed of 2,000 rpm, it balances durability and efficiency in demanding conditions.

Application

Industrial Uses of NJ 2248 MA Bearing
NJ 2248 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 NJ 2248 MA Bearing Used?
In automotive applications, NJ 2248 MA Bearing supports components such as truck transmissions and axle systems, handling combined loads with ease. Its chrome steel construction ensures durability even under demanding conditions.

Built for Heavy-Duty Use: NJ 2248 MA Bearing
For wind turbines, NJ 2248 MA Bearing provides reliable performance in the main shaft assembly, thanks to its high dynamic radial load rating. The open seal design allows for easy lubrication, extending service life.

Automotive vs Aerospace: Applications of NJ 2248 MA Bearing
In automotive settings, NJ 2248 MA Bearing excels in heavy-duty transmissions, while in aerospace, it’s used in auxiliary power units. Its metric sizing ensures compatibility across various industries.

Perfect Fit for Automation: NJ 2248 MA Bearing
NJ 2248 MA Bearing is ideal for robotic arms in automated production lines, offering precise movement under combined loads. The grease lubrication option ensures smooth operation in high-speed scenarios.

Q&A

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