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Single Row Cylindrical Roller Bearings With Inner Ring NJ 224 ECJ
Single Row Cylindrical Roller Bearings With Inner Ring NJ 224 ECJ

Single Row Cylindrical Roller Bearings With Inner Ring NJ 224 ECJ

The NJ 224 ECJ is a single row cylindrical roller bearing with a 120mm bore and 215mm outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 87750 lbf and operates smoothly at speeds up to 4000 RPM.

Its open design allows for easy lubrication with grease or oil, while the steel cage ensures durability. The bearing performs reliably in temperatures ranging 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 machinery or gearboxes where radial and axial loads are present.

Weighing 5.77kg, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards for safe and eco-friendly use.

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Product Parameters

  • Part Number NJ 224 ECJ
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 120 mm
  • Bore Dia Tolerance -0.02mm to 0
  • Outer Dia 215 mm
  • Outer Dia Tolerance -0.03mm to 0
  • Width 40 mm
  • Width Tolerance -0.20mm to 0
  • Shoulder Dia Of Inner Ring 153 mm
  • Chamfer Dimension r1,2(min.) 2.1 mm
  • Chamfer Dimension r3,4(min.) 2.1 mm
  • Permissible Axial Displacement(max.) 1.9 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 87750 lbf
  • Static Radial Load 96750 lbf
  • Lubrication Grease, Oil
  • Temperature Range -30° to 110 °C
  • RoHS Compliant
  • REACH Compliant
  • Max Speed 4000 rpm
  • Weight 5.77 kg
  • Shoulder Dia Of Outer Ring 186.83 mm
  • Raceway Diameter Of Inner Ring 143.5 mm

Features

Performance Features of NJ 224 ECJ Bearing

NJ 224 ECJ Bearing is built with chrome steel rings and rollers, offering high resistance to combined loads.
Its dynamic radial load capacity reaches 87,750 lbf, ensuring robust performance in various applications.
The steel cage keeps the rollers centred, enhancing stability and reducing wear.
With a maximum speed of 4,000 rpm, it delivers reliable efficiency under demanding conditions.

How Is NJ 224 ECJ Bearing Engineered for Reliability?

NJ 224 ECJ Bearing features a single-row cylindrical design, optimised for combined load handling.
The chrome steel construction ensures durability and resistance to wear in harsh environments.
Its permissible axial displacement of 1.9 mm allows for slight misalignments without compromising performance.
Grease or oil lubrication options provide flexibility for different operational needs.

Designed for Durability: NJ 224 ECJ Bearing

NJ 224 ECJ Bearing’s inner ring design enhances load distribution, extending service life.
The precise chamfer dimensions of 2.1 mm minimise stress concentrations during operation.
With a static radial load capacity of 96,750 lbf, it handles heavy-duty applications with ease.
Its temperature range of -30° to 110°C ensures consistent performance in varying climates.

Steel vs Ceramic Bearings: Strengths of NJ 224 ECJ Bearing

NJ 224 ECJ Bearing’s chrome steel rollers provide superior strength and wear resistance.
The open seal type allows for easy lubrication access, reducing maintenance efforts.
Weighing 5.77 kg, it balances sturdiness and manageability for industrial use.
Its interchangeable design with SKF bearings ensures compatibility and convenience.

Application

Industrial Uses of NJ 224 ECJ Bearing
NJ 224 ECJ Bearing is commonly used in heavy machinery like industrial gearboxes and large conveyor systems, where its robust design handles combined radial and axial loads effortlessly. The chrome steel construction ensures durability even in demanding environments.

Where Is NJ 224 ECJ Bearing Used?
You’ll often find NJ 224 ECJ Bearing in automotive applications such as truck transmissions, where its high dynamic load capacity keeps things running smoothly. Its metric sizing makes it a versatile fit for various European and Asian models.

Built for Heavy-Duty Use: NJ 224 ECJ Bearing
NJ 224 ECJ Bearing excels in construction equipment like cranes and excavators, thanks to its steel cage and roller-centred design. The open seal type allows for easy lubrication, extending its service life in tough conditions.

Automotive vs Aerospace: Applications of NJ 224 ECJ Bearing
In automotive settings, NJ 224 ECJ Bearing supports high-load components like differential systems, while in aerospace, its precision helps with auxiliary machinery. The temperature range of -30° to 110°C ensures reliability across climates.

Perfect Fit for Automation: NJ 224 ECJ Bearing
NJ 224 ECJ Bearing is ideal for automated production lines, where its high-speed capability (up to 4000 rpm) ensures efficient operation. The grease or oil lubrication options make it adaptable to different maintenance schedules.

Q&A

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