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Single Row Cylindrical Roller Bearings With Inner Ring NU 12/500 MA
Single Row Cylindrical Roller Bearings With Inner Ring NU 12/500 MA

Single Row Cylindrical Roller Bearings With Inner Ring NU 12/500 MA

The NU 12/500 MA is a single row cylindrical roller bearing with a large 500mm bore and 920mm outer diameter, built from sturdy chrome steel. It handles heavy radial loads up to 1,188,000 lbf and operates smoothly at speeds up to 1000 RPM.

Its brass cage design ensures durability, while the open structure allows easy lubrication with grease or oil. The bearing works 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 machinery like industrial gearboxes or large motors where combined loads are common.

Weighing 575kg, it’s built for robust performance in demanding environments. Compliant with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number NU 12/500 MA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 500 mm
  • Bore Dia Tolerance -0.045mm to 0
  • Outer Dia 920 mm
  • Outer Dia Tolerance -0.10mm to 0
  • Width 185 mm
  • Width Tolerance -0.45mm to 0
  • Chamfer Dimension r1,2(min.) 7.5 mm
  • Permissible Axial Displacement(max.) 13.9 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 1188000 lbf
  • Static Radial Load 1912500 lbf
  • Lubrication Grease, Oil
  • Temperature Range -30° to 110 °C
  • RoHS Compliant
  • REACH Compliant
  • Max Speed 1000 rpm
  • Weight 575 kg
  • Shoulder Dia Of Outer Ring 780 mm
  • Raceway Diameter Of Inner Ring 603.1 mm

Features

Performance Features of NU 12/500 MA Bearing

NU 12/500 MA Bearing is built with chrome steel rings and rollers, offering robust resistance to combined loads.
Its dynamic radial load capacity reaches 1,188,000 lbf, making it suitable for heavy-duty applications.
The brass cage ensures smooth operation and reduces friction, enhancing the bearing’s longevity.
With a maximum speed of 1,000 rpm, it delivers reliable performance in various industrial settings.

How Is NU 12/500 MA Bearing Engineered for Reliability?

NU 12/500 MA Bearing features a single-row cylindrical design, optimised for combined load handling.
The chrome steel construction provides excellent durability and resistance to wear.
Its open seal type allows for easy lubrication with grease or oil, ensuring smooth operation.
The bearing operates efficiently within a temperature range of -30° to 110°C, making it versatile for different environments.

Built for Durability: NU 12/500 MA Bearing

NU 12/500 MA Bearing’s brass cage and chrome steel rollers ensure minimal friction and extended service life.
The bearing’s large size (500 mm x 920 mm x 185 mm) is designed to handle substantial radial loads.
With a static radial load capacity of 1,912,500 lbf, it excels in demanding industrial applications.
Its open design simplifies maintenance, reducing downtime and operational costs.

Steel vs Ceramic Bearings: Strengths of NU 12/500 MA Bearing

NU 12/500 MA Bearing uses chrome steel for both rings and rollers, providing superior strength and durability.
This material choice ensures the bearing can handle high dynamic and static radial loads.
The brass cage further enhances performance by maintaining roller alignment and reducing wear.
Its compatibility with both grease and oil lubrication makes it adaptable to various industrial needs.

Application

Industrial Uses of NU 12/500 MA Bearing
NU 12/500 MA 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, making it suitable for continuous operation.

In wind turbine applications, NU 12/500 MA Bearing supports the main shaft, handling both radial and axial loads efficiently. Its chrome steel construction ensures durability even in harsh outdoor conditions.

For mining equipment, NU 12/500 MA Bearing’s robust design withstands extreme loads and vibrations. The open seal type allows for easy lubrication, extending service life in demanding environments.

NU 12/500 MA Bearing is also found in paper manufacturing machines, where precision and reliability are key. Its metric sizing ensures compatibility with a wide range of industrial equipment.

In steel production plants, NU 12/500 MA Bearing’s high dynamic load rating makes it ideal for rolling stands. The temperature range of -30° to 110°C ensures performance in varied operating conditions.

Q&A

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