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

Single Row Cylindrical Roller Bearings With Inner Ring NUP 311 ECML

The NUP 311 ECML is a single row cylindrical roller bearing with a 55mm bore and 120mm outer diameter, crafted from durable chrome steel. It handles combined loads up to 35100 lbf and reaches speeds of 11000 RPM.

Its PA66 cage keeps rollers centred for smooth operation, while the open design allows easy lubrication with grease or oil. 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 machinery like pumps or gearboxes where both radial and axial loads are present.

Weighing 1.74kg, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards for safe industrial use.

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Product Parameters

  • Part Number NUP 311 ECML
  • 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 11000 rpm
  • Weight 1.74 kg
  • Shoulder Dia Of Outer Ring 101 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 ECML Bearing

NUP 311 ECML Bearing is built with chrome steel rings and rollers, offering high resistance to combined loads.
Its dynamic radial load capacity reaches 35100 lbf, ensuring reliable performance in various applications.

The PA66 cage keeps the rollers centred, reducing friction and extending the bearing’s lifespan.
With a maximum speed of 11,000 rpm, it delivers both durability and efficiency.

NUP 311 ECML Bearing operates smoothly in temperatures ranging from -30° to 110°C.
Its open design allows for easy lubrication with grease or oil, reducing maintenance needs.

Application

Key Fields for NUP 311 ECML Bearing
NUP 311 ECML Bearing is commonly used in industrial machinery, especially in gearboxes and pumps where combined radial and axial loads are present. Its chrome steel construction ensures durability in demanding environments.

In automotive applications, NUP 311 ECML Bearing supports components like transmissions and differentials, handling high-speed rotations with ease. The PA66 cage helps reduce friction, improving overall efficiency.

For automation systems, NUP 311 ECML Bearing is a reliable choice for robotic arms and conveyor belts. Its open design allows for easy lubrication, extending service life in continuous operation.

In wind turbines, NUP 311 ECML Bearing withstands heavy loads and variable speeds. The metric sizing ensures compatibility with a wide range of European-designed equipment.

NUP 311 ECML Bearing also fits well in printing machinery, where precision and smooth operation are essential. The grease or oil lubrication options provide flexibility for different operating conditions.

Q&A

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