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Single Row Cylindrical Roller Bearings With Inner Ring NJ 218 ECJ
Single Row Cylindrical Roller Bearings With Inner Ring NJ 218 ECJ

Single Row Cylindrical Roller Bearings With Inner Ring NJ 218 ECJ

The NJ 218 ECJ is a single row cylindrical roller bearing with a 90mm bore and 160mm outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 46800 lbf and runs smoothly at speeds up to 5000 RPM.

Its open design allows easy lubrication with grease or oil, while the steel cage ensures stable performance. 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 applications like gearboxes or heavy machinery where radial and axial loads are present.

Weighing 2.35kg, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number NJ 218 ECJ
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 90 mm
  • Bore Dia Tolerance -0.02mm to 0
  • Outer Dia 160 mm
  • Outer Dia Tolerance -0.025mm to 0
  • Width 30 mm
  • Width Tolerance -0.20mm to 0
  • Shoulder Dia Of Inner Ring 114 mm
  • Chamfer Dimension r1,2(min.) 2 mm
  • Chamfer Dimension r3,4(min.) 2 mm
  • Permissible Axial Displacement(max.) 1.8 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 Steel cage, roller centred
  • Dynamic Radial Load 46800 lbf
  • Static Radial Load 49500 lbf
  • Lubrication Grease, Oil
  • Temperature Range -30° to 110 °C
  • RoHS Compliant
  • REACH Compliant
  • Max Speed 5000 rpm
  • Weight 2.35 kg
  • Shoulder Dia Of Outer Ring 138.45 mm
  • Raceway Diameter Of Inner Ring 107 mm

Features

Performance Features of NJ 218 ECJ Bearing

NJ 218 ECJ Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 46,800 lbf, ensuring reliable performance in demanding conditions.
The steel cage keeps the rollers centred, reducing wear and extending service life.
With a maximum speed of 5,000 rpm, it balances durability and efficiency.

How Is NJ 218 ECJ Bearing Engineered for Reliability?

NJ 218 ECJ Bearing features a single-row cylindrical design, ideal for handling both radial and axial loads.
The precise chamfer dimensions of 2 mm ensure smooth installation and operation.
Its permissible axial displacement of 1.8 mm accommodates slight misalignments.
The open seal type allows for easy lubrication with grease or oil.

Built for Durability: NJ 218 ECJ Bearing

NJ 218 ECJ Bearing’s chrome steel construction resists wear, even under heavy loads.
The roller-centred steel cage maintains alignment, reducing friction and noise.
It operates efficiently in temperatures ranging from -30° to 110°C.
With a static radial load capacity of 49,500 lbf, it ensures long-term reliability.

Why Choose NJ 218 ECJ Bearing for Precision Tasks?

NJ 218 ECJ Bearing’s precise bore and outer diameter tolerances ensure accurate performance.
The inner ring design simplifies installation and enhances stability.
Its raceway diameters are optimised for smooth roller movement.
The bearing’s weight of 2.35 kg makes it manageable without compromising strength.

Application

Industrial Uses of NJ 218 ECJ Bearing
NJ 218 ECJ Bearing is commonly used in heavy machinery like gearboxes and electric motors, where its cylindrical roller design handles both radial and axial loads efficiently. The chrome steel construction ensures durability in demanding industrial environments.

Where Is NJ 218 ECJ Bearing Used?
You’ll often find NJ 218 ECJ Bearing in automotive applications such as wheel hubs and transmissions, thanks to its high load capacity and smooth operation. Its metric sizing makes it a versatile choice for various vehicle designs.

Built for Heavy-Duty Use: NJ 218 ECJ Bearing
NJ 218 ECJ Bearing excels in conveyor systems and industrial fans, where its robust design and high-speed capability are essential. The open seal type allows for easy lubrication, extending its service life.

Automotive vs Aerospace: Applications of NJ 218 ECJ Bearing
In automotive settings, NJ 218 ECJ Bearing supports high-load components like drivetrains, while in aerospace, its precision and reliability are valued in auxiliary systems. The steel cage ensures stability under varying conditions.

Perfect Fit for Automation: NJ 218 ECJ Bearing
NJ 218 ECJ Bearing is ideal for robotic arms and automated assembly lines, where its combined load handling and smooth rotation enhance performance. The temperature range suits both indoor and outdoor applications.

Q&A

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