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

Single Row Cylindrical Roller Bearings With Inner Ring NJ 324 ECM

The NJ 324 ECM is a single-row cylindrical roller bearing with a 120mm bore and 260mm outer diameter, crafted from durable chrome steel. It handles combined loads, supporting up to 137250 lbf dynamically and spins smoothly at speeds up to 3000 RPM.

Its brass cage ensures stable roller alignment, while the open design allows easy lubrication with grease or oil. The bearing operates reliably in temperatures from -30°C to 110°C.

With a 55mm width and 3mm chamfers, it fits snugly in tight spaces. The inner ring design provides secure axial displacement up to 3.7mm.

Ideal for heavy machinery or industrial gearboxes where robust radial and axial load support is needed. Compliant with RoHS and REACH standards, it’s a dependable choice for replacements, interchangeable with SKF bearings. Weighing 14.9kg, it’s sturdy yet manageable for its size.

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Product Parameters

  • Part Number NJ 324 ECM
  • 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, roller 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 3000 rpm
  • Weight 14.9 kg
  • Shoulder Dia Of Outer Ring 217.65 mm
  • Raceway Diameter Of Inner Ring 154 mm

Features

Performance Features of NJ 324 ECM Bearing

NJ 324 ECM Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 137,250 lbf, ensuring reliable performance in heavy-duty applications.

The brass cage keeps the rollers centred, reducing friction and extending service life.
With a maximum speed of 3,000 rpm, it balances durability and efficiency in demanding conditions.

NJ 324 ECM Bearing operates smoothly in temperatures ranging from -30° to 110°C.
Its open design allows for easy lubrication with grease or oil, reducing maintenance needs.

The precise chamfer dimensions of 3 mm ensure easy installation and alignment.
This bearing is ideal for applications requiring high radial load capacity and long service life.

Application

Key Fields for NJ 324 ECM Bearing
NJ 324 ECM Bearing is commonly used in industrial machinery, such as gearboxes and large pumps, where its cylindrical roller design handles heavy radial loads efficiently. The brass cage ensures smooth operation even at high speeds.

In automotive applications, NJ 324 ECM Bearing supports drivetrain components like axles and transmissions, thanks to its robust chrome steel construction. Its metric sizing makes it a versatile choice for various vehicle models.

For automation systems, NJ 324 ECM Bearing fits well in robotic arms and conveyor belts, providing reliable performance under combined loads. The open seal design allows for easy lubrication, extending its service life.

In wind turbines, NJ 324 ECM Bearing’s ability to handle axial displacement makes it ideal for rotor shafts. The grease or oil lubrication options adapt to different environmental conditions.

NJ 324 ECM Bearing also works in heavy construction equipment, where its static radial load capacity ensures stability under extreme conditions. The precise tolerances contribute to its durability in demanding settings.

Q&A

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