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Single Row Cylindrical Roller Bearings With Inner Ring NJ 18/750 MA

Single Row Cylindrical Roller Bearings With Inner Ring NJ 18/750 MA

The NJ 18/750 MA is a single-row cylindrical roller bearing with a large 750mm bore and 920mm outer diameter, built from sturdy chrome steel. It handles combined loads up to 330,750 lbf radial and is suitable for both grease and oil lubrication.

Its brass cage design ensures smooth operation, while the open seal allows for easy maintenance. The bearing can withstand temperatures from -30°C to 110°C, making it versatile for various environments.

With a weight of 115kg, this bearing is robust and durable for heavy-duty applications. It’s interchangeable with SKF bearings, offering a reliable replacement option. Ideal for industrial machinery where high radial loads and axial displacement up to 9.2mm are expected.

Compliant with RoHS and REACH standards, it’s a safe and dependable choice for engineers and maintenance teams.

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Product Parameters

  • Part Number NJ 18/750 MA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 750 mm
  • Bore Dia Tolerance -0.075mm to 0
  • Outer Dia 920 mm
  • Outer Dia Tolerance -0.10mm to 0
  • Width 78 mm
  • Width Tolerance -0.75mm to 0
  • Shoulder Dia Of Inner Ring 811 mm
  • Chamfer Dimension r1,2(min.) 5 mm
  • Permissible Axial Displacement(max.) 9.2 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 330750 lbf
  • Static Radial Load 776250 lbf
  • Lubrication Grease, Oil
  • Temperature Range -30° to 110 °C
  • RoHS Compliant
  • REACH Compliant
  • Weight 115 kg
  • Shoulder Dia Of Outer Ring 863 mm
  • Raceway Diameter Of Inner Ring 794 mm

Features

How Does NJ 18/750 MA Bearing Handle Combined Loads?

NJ 18/750 MA Bearing is built with chrome steel rings and rollers, offering strong resistance to both radial and axial loads.
Its dynamic radial load capacity reaches 330750 lbf, ensuring reliable performance in heavy-duty applications.
The brass cage keeps the rollers aligned, reducing wear and extending service life.
With a temperature range of -30° to 110 °C, it performs well in various operating conditions.

Application

Industrial Uses of NJ 18/750 MA Bearing
NJ 18/750 MA Bearing is commonly used in heavy machinery like rolling mills and large gearboxes, where its cylindrical roller design handles both radial and axial loads efficiently. The brass cage ensures smooth operation even under high stress.

What Makes NJ 18/750 MA Bearing a Preferred Choice?
With its chrome steel construction, NJ 18/750 MA Bearing offers durability in demanding environments such as mining equipment and wind turbines. The open seal design allows for easy lubrication, extending its service life.

Built for Heavy-Duty Use: NJ 18/750 MA Bearing
In steel production plants, NJ 18/750 MA Bearing supports large rotating shafts, thanks to its high dynamic radial load capacity. The metric dimensions make it compatible with a wide range of industrial equipment.

Automotive vs Aerospace: Applications of NJ 18/750 MA Bearing
While NJ 18/750 MA Bearing is too large for most automotive uses, it excels in aerospace applications like landing gear systems, where precision and reliability are critical. Its temperature range also suits various operating conditions.

Perfect Fit for Automation: NJ 18/750 MA Bearing
NJ 18/750 MA Bearing is ideal for automated production lines, particularly in robotic arms handling heavy payloads. The combined load capability ensures stability during repetitive movements.

Q&A

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