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Single Row Cylindrical Roller Bearings With Inner Ring NJ 305 ECJ
Single Row Cylindrical Roller Bearings With Inner Ring NJ 305 ECJ

Single Row Cylindrical Roller Bearings With Inner Ring NJ 305 ECJ

The NJ 305 ECJ is a single-row cylindrical roller bearing with a 25mm bore and 62mm outer diameter, crafted from durable chrome steel. It handles combined loads up to 10462 lbf and spins smoothly at speeds up to 15000 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 pumps where combined loads are common.

Weighing just 0.25kg, 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 305 ECJ
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 25 mm
  • Bore Dia Tolerance -0.01mm to 0
  • Outer Dia 62 mm
  • Outer Dia Tolerance -0.013mm to 0
  • Width 17 mm
  • Width Tolerance -0.12mm to 0
  • Shoulder Dia Of Inner Ring 38.1 mm
  • Chamfer Dimension r1,2(min.) 1.1 mm
  • Chamfer Dimension r3,4(min.) 1.1 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 10462 lbf
  • Static Radial Load 8212 lbf
  • Lubrication Grease, Oil
  • Temperature Range -30° to 110 °C
  • RoHS Compliant
  • REACH Compliant
  • Max Speed 15000 rpm
  • Weight 0.25 kg
  • Shoulder Dia Of Outer Ring 50.25 mm
  • Raceway Diameter Of Inner Ring 34 mm

Features

How Does NJ 305 ECJ Bearing Handle Combined Loads?

NJ 305 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 10462 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 15,000 rpm, it balances durability and efficiency.

Application

Industrial Uses of NJ 305 ECJ Bearing
NJ 305 ECJ Bearing is commonly used in industrial machinery like gearboxes and pumps, where its cylindrical roller design handles combined loads efficiently. The open seal type allows for easy lubrication, making it suitable for high-speed operations up to 15000 rpm.

In automotive applications, NJ 305 ECJ Bearing fits well in transmission systems, providing reliable performance under radial and axial forces. Its chrome steel construction ensures durability, even in demanding driving conditions.

For automation equipment, NJ 305 ECJ Bearing supports precise movements in robotic arms and conveyor belts. The steel cage design enhances stability, reducing wear during continuous operation.

Where Is NJ 305 ECJ Bearing Used?
You’ll often find NJ 305 ECJ Bearing in heavy-duty machinery like compressors and electric motors. Its metric sizing and high dynamic load capacity make it versatile for various industrial settings.

The bearing also works well in agricultural equipment, such as tractors and harvesters. Its ability to handle combined loads and high speeds ensures smooth performance in tough environments.

Built for Heavy-Duty Use: NJ 305 ECJ Bearing
NJ 305 ECJ Bearing is ideal for applications requiring robust performance, like construction equipment. The chrome steel rollers and rings provide excellent resistance to wear and fatigue.

In material handling systems, NJ 305 ECJ Bearing ensures reliable operation under constant load. Its design minimizes friction, extending the lifespan of conveyor belts and lifting mechanisms.

Automotive vs Aerospace: Applications of NJ 305 ECJ Bearing
In automotive systems, NJ 305 ECJ Bearing is used in wheel hubs and drivetrains for its load-handling capabilities. The bearing’s temperature range suits both cold and hot climates.

For aerospace applications, NJ 305 ECJ Bearing’s precision and high-speed performance make it suitable for auxiliary systems. Its lightweight design helps maintain efficiency without compromising strength.

Q&A

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