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Single Row Cylindrical Roller Bearings With Inner Ring NU 20/710 ECMA/HB1

Single Row Cylindrical Roller Bearings With Inner Ring NU 20/710 ECMA/HB1

The NU 20/710 ECMA/HB1 is a single row cylindrical roller bearing with a large 710mm bore and 1030mm outer diameter, built from sturdy chrome steel. It handles combined loads up to 1,336,500 lbf and runs smoothly at speeds up to 1000 RPM.

Its brass cage and open design make it easy to maintain, while the chrome steel rollers ensure durability. The bearing operates well in temperatures from -30°C to 110°C and can be lubricated with grease or oil.

This model is interchangeable with SKF bearings, offering a reliable replacement option. Ideal for heavy-duty applications like industrial machinery or large gearboxes where high radial loads are common.

Weighing 540kg, it’s a robust choice for demanding environments. Compliant with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number NU 20/710 ECMA/HB1
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 710 mm
  • Bore Dia Tolerance -0.075mm to 0
  • Outer Dia 1030 mm
  • Outer Dia Tolerance -0.125mm to 0
  • Width 185 mm
  • Width Tolerance -0.75mm to 0
  • Chamfer Dimension r1,2(min.) 7.5 mm
  • Permissible Axial Displacement(max.) 10 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 Brass cage, outer ring centred
  • Dynamic Radial Load 1336500 lbf
  • Static Radial Load 2700000 lbf
  • Lubrication Grease, Oil
  • Temperature Range -30° to 110 °C
  • RoHS Compliant
  • REACH Compliant
  • Max Speed 1000 rpm
  • Weight 540 kg
  • Shoulder Dia Of Outer Ring 939 mm
  • Raceway Diameter Of Inner Ring 787 mm
Single Row Cylindrical Roller Bearings With Inner Ring NU 20/710 ECMA/HB1 dimension drawing
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Features

Performance Features of NU 20/710 ECMA/HB1 Bearing

NU 20/710 ECMA/HB1 Bearing is built with chrome steel rings and rollers, offering excellent resistance to combined loads.
Its dynamic radial load capacity reaches 1,336,500 lbf, making it suitable for heavy-duty applications.

The brass cage ensures smooth operation and reduces friction, even at high speeds up to 1,000 rpm.
With a temperature range of -30° to 110°C, it performs reliably in various environments.

NU 20/710 ECMA/HB1 Bearing’s open design allows for easy lubrication with grease or oil.
Its precise dimensions and tolerances ensure a perfect fit and long service life.

Application

Industrial Uses of NU 20/710 ECMA/HB1 Bearing
NU 20/710 ECMA/HB1 Bearing is commonly used in heavy industrial machinery, such as large gearboxes and rolling mills, where its high radial load capacity is essential. The brass cage design helps reduce friction, ensuring smoother operation in demanding conditions.

In wind turbine applications, NU 20/710 ECMA/HB1 Bearing handles the combined loads from rotor blades efficiently. Its chrome steel construction provides durability, even in harsh outdoor environments.

For mining equipment, NU 20/710 ECMA/HB1 Bearing’s large bore size and metric dimensions make it ideal for crushers and conveyors. The open seal type allows for easy lubrication, extending service life in dusty conditions.

NU 20/710 ECMA/HB1 Bearing also finds use in paper manufacturing machinery, where its precision alignment ensures consistent performance. The high static radial load rating makes it reliable for long-term operations.

Q&A

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