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Single Row Cylindrical Roller Bearings With Inner Ring NJ 313 ECJ

Single Row Cylindrical Roller Bearings With Inner Ring NJ 313 ECJ

The NJ 313 ECJ is a single-row cylindrical roller bearing with a 65mm bore and 140mm outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 47700 lbf and operates smoothly at speeds up to 6000 RPM.

Its open design allows for easy lubrication with grease or oil, while the steel cage ensures durability. The bearing performs well in temperatures ranging from -30°C to 110°C.

With a 33mm width and a weight of 2.32kg, it’s a compact yet robust choice for heavy-duty applications. The inner ring design helps with axial displacement up to 2.2mm.

Ideal for industrial machinery, gearboxes, or pumps where combined loads are common. Compliant with RoHS and REACH standards, it’s a reliable option for replacements, interchangeable with SKF bearings.

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Product Parameters

  • Part Number NJ 313 ECJ
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 65 mm
  • Bore Dia Tolerance -0.15mm to 0
  • Outer Dia 140 mm
  • Outer Dia Tolerance -0.018mm to 0
  • Width 33 mm
  • Width Tolerance -0.15mm to 0
  • Shoulder Dia Of Inner Ring 90.5 mm
  • Chamfer Dimension r1,2(min.) 2.1 mm
  • Chamfer Dimension r3,4(min.) 2.1 mm
  • Permissible Axial Displacement(max.) 2.2 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 Steel cage, roller centred
  • Dynamic Radial Load 47700 lbf
  • Static Radial Load 44100 lbf
  • Lubrication Grease, Oil
  • Temperature Range -30° to 110 °C
  • RoHS Compliant
  • REACH Compliant
  • Max Speed 6000 rpm
  • Weight 2.32 kg
  • Shoulder Dia Of Outer Ring 117.5 mm
  • Raceway Diameter Of Inner Ring 82.5 mm
Single Row Cylindrical Roller Bearings With Inner Ring NJ 313 ECJ dimension drawing
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Features

How Does NJ 313 ECJ Bearing Handle Combined Loads?

NJ 313 ECJ Bearing is built with chrome steel rings and rollers, offering strong resistance to both radial and axial loads.
Its dynamic radial load capacity reaches 47,700 lbf, ensuring reliable performance in demanding conditions.
The steel cage keeps the rollers centred, reducing friction and extending operational life.
With a maximum speed of 6,000 rpm, it delivers a balance of durability and efficiency.

Application

Industrial Uses of NJ 313 ECJ Bearing
NJ 313 ECJ Bearing is commonly used in heavy machinery like industrial gearboxes and large conveyor systems, where its cylindrical roller design handles both radial and axial loads efficiently. The chrome steel construction ensures durability in demanding environments.

Where Is NJ 313 ECJ Bearing Used?
In automotive applications, NJ 313 ECJ Bearing supports components such as transmissions and differentials, providing reliable performance under high-speed conditions. Its metric sizing makes it a versatile choice for various vehicle models.

Built for Heavy-Duty Use: NJ 313 ECJ Bearing
For automation and robotics, NJ 313 ECJ Bearing offers precise movement in robotic arms and assembly lines, thanks to its steel cage and roller-centred design. The open seal type allows for easy lubrication maintenance.

Automotive vs Aerospace: Applications of NJ 313 ECJ Bearing
In aerospace, NJ 313 ECJ Bearing is used in auxiliary systems like landing gear mechanisms, where its high dynamic load capacity is essential. The temperature range of -30° to 110°C ensures reliability in extreme conditions.

Key Fields for NJ 313 ECJ Bearing
NJ 313 ECJ Bearing is ideal for medical imaging devices, where smooth operation and low noise are critical. The grease or oil lubrication options provide flexibility for different maintenance schedules.

Q&A

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