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

Single Row Cylindrical Roller Bearings With Inner Ring NUP 221 ECP

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

Its open design allows easy lubrication with grease or oil, while the PA66 cage ensures durability and centred roller alignment. The bearing performs reliably in temperatures 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 gearboxes or machinery where combined loads are common.

Weighing 4.19kg, it’s built to last with precise tolerances and a sturdy construction. Compliant with RoHS and REACH standards for safe and eco-friendly use.

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Product Parameters

  • Part Number NUP 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
  • Shoulder Dia Of Inner Ring 134 mm
  • Chamfer Dimension r1,2(min.) 2.1 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 4.19 kg
  • Shoulder Dia Of Outer Ring 164.2 mm
  • Raceway Diameter Of Inner Ring 125 mm
  • Chamfer Dimension Of Loose Flange Ring(r3,4)(min.) 2.1 mm

Features

How Does NUP 221 ECP Bearing Handle Combined Loads?

NUP 221 ECP Bearing features chrome steel rings and rollers, providing strong resistance to both radial and axial loads.
Its dynamic radial load capacity reaches 67,500 lbf, ensuring reliable performance in demanding applications.
The PA66 cage keeps the rollers centred, reducing wear and extending service life.
With a maximum speed of 4,000 rpm, it balances durability and efficiency in various industrial settings.

Application

Industrial Uses of NUP 221 ECP Bearing
NUP 221 ECP Bearing is commonly used in heavy machinery like industrial gearboxes and large conveyor systems, where its cylindrical roller design handles both radial and axial loads efficiently. The chrome steel construction ensures durability in demanding environments.

Where Is NUP 221 ECP Bearing Used?
You’ll often find NUP 221 ECP Bearing in automotive applications such as truck transmissions, where its high load capacity and speed rating improve performance. The open design allows for easy lubrication, extending service life.

Built for Heavy-Duty Use: NUP 221 ECP Bearing
NUP 221 ECP Bearing excels in construction equipment like cranes, thanks to its robust PA66 cage and combined load capability. The metric dimensions make it a versatile choice for global machinery standards.

Automotive vs Industrial: Applications of NUP 221 ECP Bearing
In automotive settings, NUP 221 ECP Bearing supports drivetrain components, while in industrial plants, it’s ideal for pumps and compressors. Its temperature range suits both high-speed and high-load scenarios.

Perfect Fit for Automation: NUP 221 ECP Bearing
NUP 221 ECP Bearing works well in automated production lines, particularly in robotic arms requiring precise movement. The grease or oil lubrication options adapt to various operational needs.

Q&A

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