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Single Row Cylindrical Roller Bearings With Inner Ring NU 208 ECJ
Single Row Cylindrical Roller Bearings With Inner Ring NU 208 ECJ

Single Row Cylindrical Roller Bearings With Inner Ring NU 208 ECJ

The NU 208 ECJ is a single-row cylindrical roller bearing with a 40mm bore and 80mm outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 13950 lbf and spins smoothly at speeds up to 11000 RPM.

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

This model is interchangeable with SKF bearings, making it a practical choice for replacements. Ideal for applications like electric motors or pumps where radial and axial loads are present.

Weighing just 0.38kg, it’s lightweight yet durable for its size. Compliant with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number NU 208 ECJ
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 40 mm
  • Bore Dia Tolerance -0.012mm to 0
  • Outer Dia 80 mm
  • Outer Dia Tolerance -0.013mm to 0
  • Width 18 mm
  • Width Tolerance -0.12mm to 0
  • Chamfer Dimension r1,2(min.) 1.1 mm
  • Chamfer Dimension r3,4(min.) 1.1 mm
  • Permissible Axial Displacement(max.) 1.4 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 13950 lbf
  • Static Radial Load 11925 lbf
  • Lubrication Grease, Oil
  • Temperature Range -30° to 110 °C
  • RoHS Compliant
  • REACH Compliant
  • Max Speed 11000 rpm
  • Weight 0.38 kg
  • Shoulder Dia Of Outer Ring 67.4 mm
  • Raceway Diameter Of Inner Ring 49.5 mm

Features

Performance Features of NU 208 ECJ Bearing

NU 208 ECJ Bearing is crafted with chrome steel rings and rollers, offering robust resistance to combined loads.
Its dynamic radial load capacity reaches 13,950 lbf, ensuring dependable performance in various applications.
The steel cage keeps the rollers centred, minimising wear and enhancing longevity.
With a maximum speed of 11,000 rpm, it delivers both durability and efficiency.

How Does NU 208 ECJ Bearing Reduce Friction?

NU 208 ECJ Bearing features precision-engineered rollers and raceways, reducing friction for smoother operation.
The chrome steel construction ensures minimal wear, even under high radial loads.
Its open design allows for easy lubrication with grease or oil, further lowering friction.
This makes it ideal for applications requiring both speed and reliability.

Engineered for Precision: NU 208 ECJ Bearing

NU 208 ECJ Bearing is designed for precise radial load handling, with tight tolerances for consistent performance.
The single-row cylindrical roller construction ensures accurate alignment and reduced vibration.
Its temperature range of -30° to 110°C allows for stable operation in varied environments.
This makes it a versatile choice for industrial and automotive applications.

Steel vs Ceramic Bearings: Strengths of NU 208 ECJ Bearing

NU 208 ECJ Bearing uses chrome steel for both rings and rollers, providing excellent strength and durability.
Unlike ceramic bearings, it offers a cost-effective solution without compromising on performance.
The steel cage design ensures reliable roller alignment, even at high speeds.
With a static radial load capacity of 11,925 lbf, it handles heavy loads with ease.

What Makes NU 208 ECJ Bearing Suitable for High-Temperature Applications?

NU 208 ECJ Bearing operates reliably in temperatures ranging from -30° to 110°C.
The chrome steel construction maintains its integrity even under thermal stress.
Its open design allows for effective heat dissipation, preventing overheating.
This makes it suitable for demanding environments where temperature fluctuations are common.

Application

Common Applications of NU 208 ECJ Bearing
NU 208 ECJ Bearing is widely used in industrial machinery, especially in gearboxes and electric motors where high radial loads are common. Its single-row cylindrical roller design ensures smooth operation even under demanding conditions.

In automotive applications, NU 208 ECJ Bearing fits well in transmission systems and wheel hubs, thanks to its robust chrome steel construction. The open seal type allows for easy lubrication, extending its service life in high-speed scenarios.

For automation equipment, NU 208 ECJ Bearing provides reliable performance in robotic arms and conveyor belts. The steel cage design helps maintain roller alignment, reducing wear during continuous operation.

In household appliances like washing machines, NU 208 ECJ Bearing handles moderate loads with ease. Its compact size and metric dimensions make it a versatile choice for various consumer products.

Q&A

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