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Single Row Cylindrical Roller Bearings With Inner Ring NU 320 ECJ
Single Row Cylindrical Roller Bearings With Inner Ring NU 320 ECJ

Single Row Cylindrical Roller Bearings With Inner Ring NU 320 ECJ

The NU 320 ECJ is a single-row cylindrical roller bearing with a 100mm bore and 215mm outer diameter, crafted from durable chrome steel. It handles combined loads up to 101250 lbf and runs smoothly at speeds up to 4000 RPM.

Its open design allows for easy lubrication with grease or oil, while the steel cage ensures stable performance. The bearing operates well in temperatures from -30°C to 110°C.

With a width of 47mm and chamfered edges, it fits snugly in tight spaces. Ideal for heavy-duty applications like industrial gearboxes or machinery where radial and axial loads are present.

Weighing 7.5kg, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a reliable choice for replacements, interchangeable with SKF bearings.

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Product Parameters

  • Part Number NU 320 ECJ
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 100 mm
  • Bore Dia Tolerance -0.02mm to 0
  • Outer Dia 215 mm
  • Outer Dia Tolerance -0.03mm to 0
  • Width 47 mm
  • Width Tolerance -0.20mm to 0
  • Chamfer Dimension r1,2(min.) 3 mm
  • Chamfer Dimension r3,4(min.) 3 mm
  • Permissible Axial Displacement(max.) 2.9 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 Steel cage, roller centred
  • Dynamic Radial Load 101250 lbf
  • Static Radial Load 99000 lbf
  • Lubrication Grease, Oil
  • Temperature Range -30° to 110 °C
  • RoHS Compliant
  • REACH Compliant
  • Max Speed 4000 rpm
  • Weight 7.5 kg
  • Shoulder Dia Of Outer Ring 181.25 mm
  • Raceway Diameter Of Inner Ring 127.5 mm

Features

Performance Features of NU 320 ECJ Bearing

NU 320 ECJ Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 101250 lbf, ensuring reliable performance in heavy-duty applications.
The steel cage keeps the rollers centred, reducing friction and extending operational life.
With a maximum speed of 4000 rpm, it delivers both durability and efficiency.

How Does NU 320 ECJ Bearing Reduce Friction?

NU 320 ECJ Bearing features a precision-engineered roller design that minimises friction during operation.
The chrome steel construction ensures smooth movement, even under high radial loads.
Its open design allows for easy lubrication with grease or oil, further reducing wear.
This makes it a reliable choice for applications requiring long-term performance.

Engineered for Precision: NU 320 ECJ Bearing

NU 320 ECJ Bearing is designed for precise radial load handling with minimal axial displacement.
The chamfer dimensions of 3 mm ensure easy installation and alignment.
Its temperature range of -30° to 110 °C allows for stable performance in varying conditions.
The steel cage maintains roller alignment, enhancing overall efficiency.

Steel vs Ceramic Bearings: Strengths of NU 320 ECJ Bearing

NU 320 ECJ Bearing uses chrome steel for both rings and rollers, providing excellent durability.
This material choice ensures high resistance to wear and tear in demanding environments.
The bearing’s design allows for combined load handling, making it versatile for various applications.
Its compliance with RoHS and REACH standards ensures environmental safety.

Reliability Factors of NU 320 ECJ Bearing

NU 320 ECJ Bearing’s robust construction ensures long service life under heavy radial loads.
The static radial load capacity of 99000 lbf highlights its reliability in stationary applications.
Its open seal type facilitates easy maintenance and lubrication.
With a weight of 7.5 kg, it balances strength and practicality for industrial use.

Application

Industrial Uses of NU 320 ECJ Bearing
NU 320 ECJ Bearing is commonly used in heavy machinery like industrial gearboxes and large electric motors, where its cylindrical roller design handles high radial loads efficiently. The open seal type allows for easy lubrication, making it suitable for continuous operation environments.

In automotive applications, NU 320 ECJ Bearing supports components such as wheel hubs and transmissions, providing reliable performance under combined loads. Its metric sizing ensures compatibility with a variety of vehicle designs, particularly in European markets.

For automation systems, NU 320 ECJ Bearing’s steel cage and chrome steel construction offer durability in robotic arms and conveyor belts. The high dynamic radial load capacity makes it a dependable choice for high-speed operations.

Medical equipment like MRI machines benefit from NU 320 ECJ Bearing’s precision and stability, ensuring smooth operation in critical imaging processes. The temperature range also allows for consistent performance in various clinical settings.

In consumer electronics, NU 320 ECJ Bearing can be found in large printers and industrial fans, where its robust design ensures long service life. The grease or oil lubrication options provide flexibility for different maintenance needs.

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