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Single Row Cylindrical Roller Bearings With Inner Ring NU 20/630 ECMA
Single Row Cylindrical Roller Bearings With Inner Ring NU 20/630 ECMA

Single Row Cylindrical Roller Bearings With Inner Ring NU 20/630 ECMA

The NU 20/630 ECMA is a single-row cylindrical roller bearing with a large 630mm bore and 920mm outer diameter, built from sturdy chrome steel. It handles combined loads up to 1064250 lbf and runs smoothly at speeds up to 1000 RPM.

Its brass cage design ensures durability, while the open construction allows for easy lubrication with grease or oil. The bearing operates well in temperatures from -30°C to 110°C.

With a weight of 400kg, this robust bearing is ideal for heavy-duty applications like industrial machinery or large gearboxes. It’s interchangeable with SKF bearings, making replacements straightforward.

Compliant with RoHS and REACH standards, it’s a reliable choice for demanding environments. The chamfered edges (7.5mm) help with easier installation and alignment.

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Product Parameters

  • Part Number NU 20/630 ECMA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 630 mm
  • Bore Dia Tolerance -0.05mm to 0
  • Outer Dia 920 mm
  • Outer Dia Tolerance -0.10mm to 0
  • Width 170 mm
  • Width Tolerance -0.50mm to 0
  • Chamfer Dimension r1,2(min.) 7.5 mm
  • Permissible Axial Displacement(max.) 8.7 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 1064250 lbf
  • Static Radial Load 2137500 lbf
  • Lubrication Grease, Oil
  • Temperature Range -30° to 110 °C
  • RoHS Compliant
  • REACH Compliant
  • Max Speed 1000 rpm
  • Weight 400 kg
  • Shoulder Dia Of Outer Ring 832 mm
  • Raceway Diameter Of Inner Ring 699 mm

Features

Why Choose NU 20/630 ECMA Bearing for Precision Tasks?

NU 20/630 ECMA Bearing features a brass cage centred on the outer ring, ensuring smooth operation under combined loads.
Its chrome steel construction provides high resistance to wear, making it suitable for heavy-duty applications.

With a dynamic radial load capacity of 1,064,250 lbf, NU 20/630 ECMA Bearing handles demanding conditions effortlessly.
The open design allows for easy lubrication, whether using grease or oil.

NU 20/630 ECMA Bearing operates efficiently within a temperature range of -30° to 110°C.
Its precision engineering ensures reliable performance at speeds up to 1,000 rpm.

Application

Industrial Uses of NU 20/630 ECMA Bearing
NU 20/630 ECMA Bearing is commonly used in heavy machinery like rolling mills and large gearboxes, where its high radial load capacity ensures reliable performance. The brass cage design helps reduce friction, making it suitable for continuous operation.

What Makes NU 20/630 ECMA Bearing a Preferred Choice?
In wind turbine applications, NU 20/630 ECMA Bearing handles combined loads efficiently, thanks to its robust chrome steel construction. Its large bore size also makes it ideal for connecting shafts in renewable energy systems.

Built for Heavy-Duty Use: NU 20/630 ECMA Bearing
This bearing excels in mining equipment, where its ability to withstand extreme loads and harsh conditions is crucial. The open seal design allows for easy lubrication, extending service life in demanding environments.

Automotive vs Aerospace: Applications of NU 20/630 ECMA Bearing
While not typically used in cars, NU 20/630 ECMA Bearing finds its place in aerospace ground support equipment due to its precision and durability. Its metric dimensions ensure compatibility with international machinery standards.

Perfect Fit for Automation: NU 20/630 ECMA Bearing
In automated production lines, NU 20/630 ECMA Bearing supports large rotating assemblies with minimal maintenance. The grease lubrication option keeps it running smoothly even in high-speed scenarios.

Q&A

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