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Single Row Cylindrical Roller Bearings With Inner Ring NJ 205 ECJ
Single Row Cylindrical Roller Bearings With Inner Ring NJ 205 ECJ

Single Row Cylindrical Roller Bearings With Inner Ring NJ 205 ECJ

The NJ 205 ECJ is a single-row cylindrical roller bearing with a 25mm bore and 52mm outer diameter, crafted from durable chrome steel. It handles combined loads up to 7312 lbf and spins smoothly at speeds up to 16000 RPM.

Its open design allows easy lubrication with grease or oil, while the steel cage ensures stable roller alignment. 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 electric motors or gearboxes where radial and axial loads are present.

Weighing just 0.14kg, it’s lightweight yet robust for its size. Compliant with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number NJ 205 ECJ
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 25 mm
  • Bore Dia Tolerance -0.01mm to 0
  • Outer Dia 52 mm
  • Outer Dia Tolerance -0.013mm to 0
  • Width 15 mm
  • Width Tolerance -0.12mm to 0
  • Shoulder Dia Of Inner Ring 34.7 mm
  • Chamfer Dimension r1,2(min.) 1 mm
  • Chamfer Dimension r3,4(min.) 0.6 mm
  • Permissible Axial Displacement(max.) 1.3 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 Steel cage, roller centred
  • Dynamic Radial Load 7312 lbf
  • Static Radial Load 6075 lbf
  • Lubrication Grease, Oil
  • Temperature Range -30° to 110 °C
  • RoHS Compliant
  • REACH Compliant
  • Max Speed 16000 rpm
  • Weight 0.14 kg
  • Shoulder Dia Of Outer Ring 43.8 mm
  • Raceway Diameter Of Inner Ring 31.5 mm

Features

Engineered for Precision: NJ 205 ECJ Bearing

NJ 205 ECJ Bearing features a single row cylindrical roller design, ideal for handling combined loads with high precision.

Its chrome steel construction ensures durability and resistance to wear in demanding applications.

With a dynamic radial load capacity of 7312 lbf, it delivers reliable performance under heavy loads.

The steel cage keeps rollers centred, enhancing stability and extending service life.

How Does NJ 205 ECJ Bearing Resist Wear?

NJ 205 ECJ Bearing’s chrome steel rollers and rings provide excellent resistance to wear and tear.

The precision-engineered design minimises friction, ensuring smooth operation even at high speeds up to 16,000 rpm.

Its open seal type allows for easy lubrication with grease or oil, reducing maintenance needs.

The bearing operates efficiently within a temperature range of -30° to 110°C, suitable for various environments.

Structural Advantages of NJ 205 ECJ Bearing

NJ 205 ECJ Bearing’s inner ring design enhances load distribution, improving overall performance.

The chamfer dimensions of 1 mm and 0.6 mm facilitate easier installation and alignment.

With a permissible axial displacement of 1.3 mm, it accommodates slight misalignments without compromising function.

Its compact size (25 mm x 52 mm x 15 mm) makes it versatile for different applications.

Application

Industrial Uses of NJ 205 ECJ Bearing
NJ 205 ECJ Bearing is commonly used in machine tools, where its cylindrical roller design handles both radial and axial loads efficiently. The open seal type allows for easy lubrication, making it suitable for high-speed operations up to 16000 rpm.

In automotive applications, NJ 205 ECJ Bearing fits well in gearboxes and transmissions, thanks to its combined load capacity. The chrome steel construction ensures durability even under demanding conditions.

For automation systems, NJ 205 ECJ Bearing is a reliable choice for robotic arms and conveyor belts. Its precise tolerances and steel cage provide smooth performance in repetitive motion tasks.

Where Is NJ 205 ECJ Bearing Used?
You’ll often find NJ 205 ECJ Bearing in industrial fans and pumps, where its high-speed capability and grease lubrication options are beneficial. The metric sizing makes it compatible with a wide range of equipment.

In household appliances like washing machines, NJ 205 ECJ Bearing offers quiet and efficient operation. Its temperature range of -30° to 110°C ensures reliability in various environments.

Built for Heavy-Duty Use: NJ 205 ECJ Bearing
NJ 205 ECJ Bearing excels in construction machinery, handling heavy loads with ease. The steel cage and chrome steel rollers provide long-lasting performance in tough conditions.

For agricultural equipment, NJ 205 ECJ Bearing is a go-to option due to its resistance to wear and tear. The open design simplifies maintenance, which is crucial in dusty environments.

Automotive vs Aerospace: Applications of NJ 205 ECJ Bearing
In automotive systems, NJ 205 ECJ Bearing is ideal for wheel hubs and drivetrains, offering balanced load handling. Its compatibility with SKF models makes it a versatile choice.

For aerospace applications, NJ 205 ECJ Bearing’s high-speed performance and precision tolerances are valuable. However, its weight and size may limit use in certain aircraft components.

Q&A

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