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Single Row Cylindrical Roller Bearings With Inner Ring NJ 240 ECM

Single Row Cylindrical Roller Bearings With Inner Ring NJ 240 ECM

The NJ 240 ECM is a single-row cylindrical roller bearing with a 200mm bore and 360mm outer diameter, crafted from durable chrome steel. It handles combined loads up to 191250 lbf and operates smoothly at speeds up to 2000 RPM.

Its brass cage ensures stable roller alignment, while the open design allows easy lubrication with grease or oil. The bearing performs reliably 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 gearboxes or large machinery where radial and axial loads are present.

Weighing 26.9kg, it’s built for robust performance in demanding environments. Compliant with RoHS and REACH standards for safe and eco-friendly use.

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Product Parameters

  • Part Number NJ 240 ECM
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 200 mm
  • Bore Dia Tolerance -0.03mm to 0
  • Outer Dia 360 mm
  • Outer Dia Tolerance -0.04mm to 0
  • Width 58 mm
  • Width Tolerance -0.30mm to 0
  • Shoulder Dia Of Inner Ring 258 mm
  • Chamfer Dimension r1,2(min.) 4 mm
  • Chamfer Dimension r3,4(min.) 4 mm
  • Permissible Axial Displacement(max.) 2.6 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, roller centred
  • Dynamic Radial Load 191250 lbf
  • Static Radial Load 229500 lbf
  • Lubrication Grease, Oil
  • Temperature Range -30° to 110 °C
  • RoHS Compliant
  • REACH Compliant
  • Max Speed 2000 rpm
  • Weight 26.9 kg
  • Shoulder Dia Of Outer Ring 310.37 mm
  • Raceway Diameter Of Inner Ring 243 mm
Single Row Cylindrical Roller Bearings With Inner Ring NJ 240 ECM dimension drawing
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Features

Performance Features of NJ 240 ECM Bearing

NJ 240 ECM Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 191250 lbf, ensuring reliable performance in heavy-duty applications.
The brass cage keeps the rollers centred, reducing friction and extending service life.
With a maximum speed of 2000 rpm, it balances durability and efficiency.

Application

Common Applications of NJ 240 ECM Bearing
NJ 240 ECM Bearing is widely used in industrial machinery, especially in heavy-duty applications like gearboxes and large conveyor systems. Its robust design handles combined loads efficiently, making it suitable for high-stress environments.

In the automotive sector, NJ 240 ECM Bearing is often found in truck transmissions and drivetrains, where its high radial load capacity ensures reliable performance. The brass cage design also helps reduce friction, extending service life.

For automation systems, NJ 240 ECM Bearing supports robotic arms and assembly line equipment, thanks to its precise axial displacement tolerance. The open seal type allows for easy lubrication, maintaining smooth operation over time.

In wind turbines, NJ 240 ECM Bearing plays a key role in rotor shafts, where its chrome steel construction withstands harsh weather conditions. The metric sizing ensures compatibility with most European-designed machinery.

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