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Single Row Cylindrical Roller Bearings With Inner Ring NJ 1884 MA
Single Row Cylindrical Roller Bearings With Inner Ring NJ 1884 MA

Single Row Cylindrical Roller Bearings With Inner Ring NJ 1884 MA

The NJ 1884 MA is a single row cylindrical roller bearing with a 420mm bore and 520mm outer diameter, crafted from durable chrome steel. It handles combined loads up to 123750 lbf and operates smoothly at speeds up to 2000 RPM.

Its brass cage design ensures stability, while the open seal allows for easy lubrication with grease or oil. The bearing performs well in temperatures ranging from -30°C to 110°C.

With a weight of 22kg, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a reliable choice for heavy-duty applications like industrial machinery or large gearboxes.

This model is interchangeable with SKF bearings, making it a practical option for replacements or upgrades. Its design allows for axial displacement up to 4.7mm, adding flexibility in various setups.

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Product Parameters

  • Part Number NJ 1884 MA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 420 mm
  • Bore Dia Tolerance -0.045mm to 0
  • Outer Dia 520 mm
  • Outer Dia Tolerance -0.05mm to 0
  • Width 46 mm
  • Width Tolerance -0.45mm to 0
  • Shoulder Dia Of Inner Ring 457 mm
  • Chamfer Dimension r1,2(min.) 2.1 mm
  • Permissible Axial Displacement(max.) 4.7 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 123750 lbf
  • Static Radial Load 252000 lbf
  • Lubrication Grease, Oil
  • Temperature Range -30° to 110 °C
  • RoHS Compliant
  • REACH Compliant
  • Max Speed 2000 rpm
  • Weight 22 kg
  • Shoulder Dia Of Outer Ring 487 mm
  • Raceway Diameter Of Inner Ring 447 mm

Features

Performance Features of NJ 1884 MA Bearing

NJ 1884 MA Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 123,750 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.

How Does NJ 1884 MA Bearing Reduce Friction?

NJ 1884 MA Bearing’s precision-engineered rollers and raceways minimise friction, promoting smooth operation.
The chrome steel construction ensures durability, even under high radial loads.
Its open design allows for easy lubrication, reducing maintenance needs.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

Engineered for Precision: NJ 1884 MA Bearing

NJ 1884 MA Bearing features a single-row cylindrical design, optimised for combined load applications.
The brass cage provides stability, ensuring consistent roller alignment.
Its wide temperature range and high load capacity make it suitable for demanding environments.
The open seal type allows for flexible lubrication options.

Steel vs Ceramic Bearings: Strengths of NJ 1884 MA Bearing

NJ 1884 MA Bearing uses chrome steel for both rings and rollers, ensuring strength and durability.
This material choice provides excellent resistance to wear and fatigue.
The brass cage further enhances performance by maintaining proper roller spacing.
With a static radial load capacity of 252,000 lbf, it handles heavy loads with ease.

Reliability Factors of NJ 1884 MA Bearing

NJ 1884 MA Bearing’s robust construction ensures long service life in demanding applications.
The chrome steel components resist wear, while the brass cage maintains roller alignment.
Its wide operating temperature range and high-speed capability make it versatile.
Easy lubrication access reduces maintenance requirements.

Application

Industrial Uses of NJ 1884 MA Bearing
NJ 1884 MA Bearing is commonly used in heavy machinery like large gearboxes and industrial fans, where its high radial load capacity ensures reliable performance. The brass cage design helps reduce friction, making it suitable for continuous operation.

Where Is NJ 1884 MA Bearing Used?
In automotive applications, NJ 1884 MA Bearing supports components such as drivetrains and wheel hubs, thanks to its combined load handling capability. Its chrome steel construction provides durability even under demanding conditions.

Built for Heavy-Duty Use: NJ 1884 MA Bearing
For automation systems, NJ 1884 MA Bearing is ideal for robotic arms and conveyor belts, where precision and strength are key. The open seal type allows for easy lubrication, extending its service life.

Medical vs Industrial: Where NJ 1884 MA Bearing Excels
In medical imaging devices, NJ 1884 MA Bearing offers smooth operation due to its precise tolerances. However, it truly shines in industrial settings like steel mills, where its robust design handles extreme loads effortlessly.

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