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Single Row Cylindrical Roller Bearings With Inner Ring NJ 1984 ECMA
Single Row Cylindrical Roller Bearings With Inner Ring NJ 1984 ECMA

Single Row Cylindrical Roller Bearings With Inner Ring NJ 1984 ECMA

The NJ 1984 ECMA is a single row cylindrical roller bearing with a 420mm bore and 560mm outer diameter, built from sturdy chrome steel. It handles combined loads up to 217800 lbf and runs smoothly at speeds up to 2000 RPM.

Its brass cage design ensures durability, while the open construction allows easy lubrication with grease or oil. 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 heavy machinery or industrial equipment where high radial and axial loads are present.

Weighing 48kg, it’s a robust component designed for long-term performance. Compliant with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number NJ 1984 ECMA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 420 mm
  • Bore Dia Tolerance -0.045mm to 0
  • Outer Dia 560 mm
  • Outer Dia Tolerance -0.05mm to 0
  • Width 65 mm
  • Width Tolerance -0.45mm to 0
  • Shoulder Dia Of Inner Ring 461 mm
  • Chamfer Dimension r1,2(min.) 4 mm
  • Permissible Axial Displacement(max.) 6.9 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 Brass cage, outer ring centred
  • Dynamic Radial Load 217800 lbf
  • Static Radial Load 405000 lbf
  • Lubrication Grease, Oil
  • Temperature Range -30° to 110 °C
  • RoHS Compliant
  • REACH Compliant
  • Max Speed 2000 rpm
  • Weight 48 kg
  • Shoulder Dia Of Outer Ring 513 mm
  • Raceway Diameter Of Inner Ring 449 mm

Features

Performance Features of NJ 1984 ECMA Bearing

NJ 1984 ECMA Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 217,800 lbf, ensuring reliable performance in heavy-duty applications.
The brass cage keeps the rollers aligned, reducing wear and extending service life.
With a maximum speed of 2,000 rpm, it balances durability and efficiency.

Application

Industrial Uses of NJ 1984 ECMA Bearing
NJ 1984 ECMA Bearing is commonly used in heavy machinery like industrial gearboxes and large conveyor systems, where its high radial load capacity ensures reliable performance. The brass cage design helps reduce friction, making it suitable for continuous operation.

In automotive applications, NJ 1984 ECMA Bearing supports components such as truck transmissions and differential systems, handling combined loads with ease. Its chrome steel construction provides durability under demanding conditions.

For wind turbines, NJ 1984 ECMA Bearing’s large bore size and grease lubrication make it ideal for main shaft applications. The open seal design allows for easy maintenance in remote installations.

Key Fields for NJ 1984 ECMA Bearing
NJ 1984 ECMA Bearing excels in mining equipment, where its robust design withstands harsh environments and heavy loads. The metric dimensions ensure compatibility with global machinery standards.

In paper manufacturing, NJ 1984 ECMA Bearing’s high-speed capability and temperature resistance make it a reliable choice for rollers and drying cylinders. The brass cage further enhances its longevity in humid conditions.

What Makes NJ 1984 ECMA Bearing a Preferred Choice?
NJ 1984 ECMA Bearing is often selected for steel mill applications due to its ability to handle both radial and axial loads. The chrome steel rollers provide excellent wear resistance in high-temperature settings.

For railway applications, NJ 1984 ECMA Bearing’s large size and dynamic load capacity make it suitable for axle boxes. Its grease lubrication ensures smooth operation even under heavy vibration.

Q&A

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