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Single Row Cylindrical Roller Bearings With Inner Ring NJ 28/710 ECMA
Single Row Cylindrical Roller Bearings With Inner Ring NJ 28/710 ECMA

Single Row Cylindrical Roller Bearings With Inner Ring NJ 28/710 ECMA

The NJ 28/710 ECMA is a single-row cylindrical roller bearing with a large 710mm bore and 870mm outer diameter, built from sturdy chrome steel. It handles combined loads up to 436500 lbf and runs smoothly at speeds up to 1000 RPM.

Its brass cage and open design make it easy to lubricate with grease or oil, while the inner ring provides stability. The bearing operates well in temperatures from -30°C to 110°C.

This model is interchangeable with SKF bearings, offering a reliable option for replacements. Ideal for heavy machinery or industrial equipment where high radial and axial loads are present.

Weighing 130kg, it’s a robust choice for demanding applications. Compliant with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number NJ 28/710 ECMA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 710 mm
  • Bore Dia Tolerance -0.075mm to 0
  • Outer Dia 870 mm
  • Outer Dia Tolerance -0.10mm to 0
  • Width 95 mm
  • Width Tolerance -0.75mm to 0
  • Shoulder Dia Of Inner Ring 766 mm
  • Chamfer Dimension r1,2(min.) 4 mm
  • Permissible Axial Displacement(max.) 1.5 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 436500 lbf
  • Static Radial Load 1125000 lbf
  • Lubrication Grease, Oil
  • Temperature Range -30° to 110 °C
  • RoHS Compliant
  • REACH Compliant
  • Max Speed 1000 rpm
  • Weight 130 kg
  • Shoulder Dia Of Outer Ring 817 mm
  • Raceway Diameter Of Inner Ring 751 mm

Features

Performance Features of NJ 28/710 ECMA Bearing

NJ 28/710 ECMA Bearing is built with chrome steel rings and rollers, offering robust resistance to combined loads.
Its dynamic radial load capacity reaches 436500 lbf, ensuring dependable performance in heavy-duty applications.

The brass cage keeps the rollers aligned, reducing friction and extending operational life.
With a maximum speed of 1000 rpm, it maintains efficiency under demanding conditions.

NJ 28/710 ECMA Bearing operates smoothly within a temperature range of -30° to 110°C.
Its open design allows for easy lubrication with grease or oil, enhancing longevity.

The precise dimensions and tolerances ensure a perfect fit in industrial machinery.
This bearing is ideal for applications requiring high load capacity and durability.

Application

Industrial Uses of NJ 28/710 ECMA Bearing
NJ 28/710 ECMA Bearing is commonly used in heavy industrial machinery, such as large gearboxes and rolling mills, where its high load capacity handles both radial and axial forces effectively. The brass cage design ensures smooth operation even under demanding conditions.

Where Is NJ 28/710 ECMA Bearing Used?
You’ll often find NJ 28/710 ECMA Bearing in wind turbine systems, where its robust construction and grease lubrication option provide reliable performance in harsh environments. Its large bore size makes it ideal for heavy rotating equipment.

Built for Heavy-Duty Use: NJ 28/710 ECMA Bearing
NJ 28/710 ECMA Bearing excels in mining equipment, supporting crushers and conveyors with its high static radial load capacity. The chrome steel rollers and rings offer excellent durability for long-term use.

Automotive vs Aerospace: Applications of NJ 28/710 ECMA Bearing
In automotive applications, NJ 28/710 ECMA Bearing is suited for large commercial vehicle transmissions due to its combined load handling. For aerospace, its precision and temperature stability make it useful in ground support equipment.

Essential Roles of NJ 28/710 ECMA Bearing
NJ 28/710 ECMA Bearing plays a key role in paper manufacturing machinery, where its ability to handle high speeds and heavy loads ensures consistent production. The open seal type allows for easy lubrication maintenance.

Q&A

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