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Single Row Cylindrical Roller Bearings With Inner Ring NU 221 ECP
Single Row Cylindrical Roller Bearings With Inner Ring NU 221 ECP

Single Row Cylindrical Roller Bearings With Inner Ring NU 221 ECP

The NU 221 ECP is a single-row cylindrical roller bearing with a 105mm bore and 190mm outer diameter, crafted from durable chrome steel. It handles combined loads up to 67500 lbf and operates smoothly at speeds up to 4000 RPM.

Its open design allows for easy lubrication with grease or oil, while the PA66 cage ensures reliable performance. The bearing works well in temperatures ranging from -30°C to 110°C.

This model is interchangeable with SKF bearings, making it a practical choice for replacements. Ideal for heavy-duty applications like industrial machinery or gearboxes where radial and axial loads are present.

Weighing 3.96kg, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number NU 221 ECP
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 105 mm
  • Bore Dia Tolerance -0.02mm to 0
  • Outer Dia 190 mm
  • Outer Dia Tolerance -0.03mm to 0
  • Width 36 mm
  • Width Tolerance -0.20mm to 0
  • Chamfer Dimension r1,2(min.) 2.1 mm
  • Chamfer Dimension r3,4(min.) 2.1 mm
  • Permissible Axial Displacement(max.) 2 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 PA66 cage, roller centred
  • Dynamic Radial Load 67500 lbf
  • Static Radial Load 70875 lbf
  • Lubrication Grease, Oil
  • Temperature Range -30° to 110 °C
  • RoHS Compliant
  • REACH Compliant
  • Max Speed 4000 rpm
  • Weight 3.96 kg
  • Shoulder Dia Of Outer Ring 164.2 mm
  • Raceway Diameter Of Inner Ring 125 mm

Features

Performance Features of NU 221 ECP Bearing

NU 221 ECP Bearing is crafted with chrome steel rings and rollers, offering excellent resistance to combined loads.
Its dynamic radial load capacity reaches 67,500 lbf, ensuring robust performance in various applications.

The PA66 cage keeps the rollers centred, reducing friction and enhancing durability.
With a maximum speed of 4,000 rpm, it delivers reliable operation under demanding conditions.

NU 221 ECP Bearing operates efficiently in temperatures ranging from -30° to 110°C.
Its open design allows for easy lubrication with grease or oil, minimising maintenance needs.

Application

Industrial Uses of NU 221 ECP Bearing
NU 221 ECP 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, extending its service life in demanding conditions.

Where Is NU 221 ECP Bearing Used?
You’ll often find NU 221 ECP Bearing in conveyor systems and mining equipment, thanks to its robust chrome steel construction. Its ability to handle combined loads makes it versatile for various industrial applications.

Perfect Fit for Automation: NU 221 ECP Bearing
NU 221 ECP Bearing works well in automated production lines, particularly in robotic arms and assembly machines. The PA66 cage ensures smooth operation even at higher speeds, reducing maintenance needs.

Automotive vs Aerospace: Applications of NU 221 ECP Bearing
In automotive applications, NU 221 ECP Bearing supports components like wheel hubs and transmissions. For aerospace, its precision and reliability make it suitable for auxiliary power units and landing gear systems.

Essential Roles of NU 221 ECP Bearing
NU 221 ECP Bearing plays a key role in wind turbines, where its durability and load capacity are critical. The grease or oil lubrication options adapt to different environmental conditions, ensuring consistent performance.

Q&A

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