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Single Row Cylindrical Roller Bearings With Inner Ring NUP 311 ECP
Single Row Cylindrical Roller Bearings With Inner Ring NUP 311 ECP

Single Row Cylindrical Roller Bearings With Inner Ring NUP 311 ECP

The NUP 311 ECP is a single row cylindrical roller bearing with a 55mm bore and 120mm outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 35100 lbf and runs smoothly at speeds up to 7000 RPM.

Its open design allows easy lubrication with grease or oil, while the PA66 cage ensures durability. 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 machinery like pumps or gearboxes where both radial and axial loads are present.

Weighing 1.5kg, 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 NUP 311 ECP
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 55 mm
  • Bore Dia Tolerance -0.15mm to 0
  • Outer Dia 120 mm
  • Outer Dia Tolerance -0.015mm to 0
  • Width 29 mm
  • Width Tolerance -0.15mm to 0
  • Shoulder Dia Of Inner Ring 77.5 mm
  • Chamfer Dimension r1,2(min.) 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 35100 lbf
  • Static Radial Load 32175 lbf
  • Lubrication Grease, Oil
  • Temperature Range -30° to 110 °C
  • RoHS Compliant
  • REACH Compliant
  • Max Speed 7000 rpm
  • Weight 1.5 kg
  • Shoulder Dia Of Outer Ring 100.3 mm
  • Raceway Diameter Of Inner Ring 70.5 mm
  • Chamfer Dimension Of Loose Flange Ring(r3,4)(min.) 2 mm

Features

Performance Features of NUP 311 ECP Bearing

NUP 311 ECP Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 35,100 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 7,000 rpm, it balances durability and efficiency for various industrial uses.

NUP 311 ECP Bearing operates smoothly in temperatures from -30° to 110°C, adapting to diverse working conditions.
Its open design allows for easy lubrication with grease or oil, simplifying maintenance.

The precise dimensions and tolerances ensure a perfect fit, enhancing overall performance.
This makes NUP 311 ECP Bearing a dependable choice for heavy-duty machinery.

Application

Industrial Uses of NUP 311 ECP Bearing
NUP 311 ECP Bearing is commonly used in heavy machinery like gearboxes and electric motors, where its cylindrical roller design handles combined loads effectively. The chrome steel construction ensures durability in demanding industrial environments.

Where Is NUP 311 ECP Bearing Used?
You’ll often find NUP 311 ECP Bearing in conveyor systems and pumps, thanks to its ability to manage both radial and axial forces. Its open design allows for easy lubrication, making maintenance straightforward.

Built for Heavy-Duty Use: NUP 311 ECP Bearing
NUP 311 ECP Bearing excels in applications like printing presses and compressors, where high-speed rotation is required. The PA66 cage provides stability and reduces friction during operation.

Automotive vs Aerospace: Applications of NUP 311 ECP Bearing
In automotive systems, NUP 311 ECP Bearing supports components like transmissions and wheel hubs. For aerospace, its precision and load capacity make it suitable for auxiliary power units.

Perfect Fit for Automation: NUP 311 ECP Bearing
NUP 311 ECP Bearing is ideal for robotic arms and automated assembly lines, where smooth movement is essential. The metric sizing ensures compatibility with a wide range of equipment.

Q&A

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