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Single Row Cylindrical Roller Bearings With Inner Ring NJ 324 ECML
Single Row Cylindrical Roller Bearings With Inner Ring NJ 324 ECML

Single Row Cylindrical Roller Bearings With Inner Ring NJ 324 ECML

The NJ 324 ECML is a single-row cylindrical roller bearing with a 120mm bore and 260mm outer diameter, built from sturdy chrome steel. It handles combined loads up to 137250 lbf and runs smoothly at speeds up to 5000 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.

With a 55mm width and precise tolerances, it fits securely in demanding setups. Ideal for heavy machinery or industrial gearboxes where reliable performance is key.

Weighing 15kg, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a dependable choice for replacements, interchangeable with SKF models.

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Product Parameters

  • Part Number NJ 324 ECML
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 120 mm
  • Bore Dia Tolerance -0.02mm to 0
  • Outer Dia 260 mm
  • Outer Dia Tolerance -0.035mm to 0
  • Width 55 mm
  • Width Tolerance -0.20mm to 0
  • Shoulder Dia Of Inner Ring 168 mm
  • Chamfer Dimension r1,2(min.) 3 mm
  • Chamfer Dimension r3,4(min.) 3 mm
  • Permissible Axial Displacement(max.) 3.7 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, inner or outer ring centred
  • Dynamic Radial Load 137250 lbf
  • Static Radial Load 139500 lbf
  • Lubrication Grease, Oil
  • Temperature Range -30° to 110 °C
  • RoHS Compliant
  • REACH Compliant
  • Max Speed 5000 rpm
  • Weight 15 kg
  • Shoulder Dia Of Outer Ring 218.7 mm
  • Raceway Diameter Of Inner Ring 154 mm

Features

Performance Features of NJ 324 ECML Bearing

NJ 324 ECML Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 137250 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 5000 rpm, it balances durability and efficiency.

How Does NJ 324 ECML Bearing Reduce Friction?

NJ 324 ECML Bearing features a precision-engineered raceway design, minimising friction for smoother operation.
The chrome steel rollers and rings work together to reduce wear, even under high loads.
Its open design allows for easy lubrication, further enhancing performance.
This makes it suitable for applications requiring both radial and axial load support.

Engineered for Precision: NJ 324 ECML Bearing

NJ 324 ECML Bearing’s single-row cylindrical design ensures precise alignment and load distribution.
The brass cage provides stability, reducing roller skew and improving efficiency.
With a temperature range of -30° to 110°C, it performs reliably in various environments.
Its 55 mm width and 120 mm bore make it ideal for compact yet demanding setups.

Steel vs Ceramic Bearings: Strengths of NJ 324 ECML Bearing

NJ 324 ECML Bearing uses chrome steel for both rings and rollers, offering excellent durability.
This material choice ensures resistance to wear and fatigue, even under heavy loads.
The brass cage adds stability, making it a reliable choice for industrial applications.
Its grease or oil lubrication options provide flexibility for different operating conditions.

Application

Industrial Uses of NJ 324 ECML Bearing
NJ 324 ECML Bearing is commonly used in heavy machinery like industrial gearboxes and large pumps, where its cylindrical roller design handles both radial and axial loads efficiently. The brass cage ensures smooth operation even at high speeds, making it a reliable choice for demanding environments.

In automotive applications, NJ 324 ECML Bearing supports components such as transmission systems and wheel hubs, thanks to its robust chrome steel construction. Its metric sizing and high load capacity make it compatible with a variety of vehicle designs.

For automation systems, NJ 324 ECML Bearing’s precision engineering makes it ideal for robotic arms and conveyor belts, where consistent performance is key. The open seal design allows for easy lubrication, extending its service life in continuous-use scenarios.

Medical equipment like MRI machines also benefit from NJ 324 ECML Bearing’s stability and low maintenance requirements. The temperature range of -30° to 110°C ensures reliable performance in various clinical settings.

In consumer electronics, NJ 324 ECML Bearing can be found in high-performance printers and industrial fans, where its durability and smooth operation are highly valued. The combination of chrome steel rollers and brass cage provides a balance of strength and efficiency.

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