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Single Row Cylindrical Roller Bearings With Inner Ring NU 3068 MA
Single Row Cylindrical Roller Bearings With Inner Ring NU 3068 MA

Single Row Cylindrical Roller Bearings With Inner Ring NU 3068 MA

The NU 3068 MA is a single row cylindrical roller bearing with a 340mm bore and 520mm outer diameter, built from tough chrome steel for durability. It handles combined loads up to 495000 lbf and runs smoothly at speeds up to 2000 RPM.

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

With a weight of 109kg, it’s a sturdy choice for heavy-duty applications like industrial gearboxes or large machinery. Compliant with RoHS and REACH standards, it’s a reliable option for replacements, interchangeable with SKF bearings.

The chamfered edges (5mm) and permissible axial displacement (7mm) make installation and alignment simpler. Ideal for scenarios requiring robust radial and axial load support.

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Product Parameters

  • Part Number NU 3068 MA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 340 mm
  • Bore Dia Tolerance -0.04mm to 0
  • Outer Dia 520 mm
  • Outer Dia Tolerance -0.05mm to 0
  • Width 133 mm
  • Width Tolerance -0.40mm to 0
  • Chamfer Dimension r1,2(min.) 5 mm
  • Permissible Axial Displacement(max.) 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 495000 lbf
  • Static Radial Load 933750 lbf
  • Lubrication Grease, Oil
  • Temperature Range -30° to 110 °C
  • RoHS Compliant
  • REACH Compliant
  • Max Speed 2000 rpm
  • Weight 109 kg
  • Shoulder Dia Of Outer Ring 465 mm
  • Raceway Diameter Of Inner Ring 385 mm

Features

Performance Features of NU 3068 MA Bearing

NU 3068 MA Bearing is built with chrome steel rings and rollers, offering robust resistance to combined loads.
Its dynamic radial load capacity reaches 495,000 lbf, ensuring reliable performance in heavy-duty applications.

The brass cage, centred on the outer ring, maintains roller alignment for smooth operation.
With a maximum speed of 2,000 rpm, it balances durability and efficiency in demanding conditions.

NU 3068 MA Bearing operates effectively in temperatures from -30° to 110°C.
Its open design allows for easy lubrication with grease or oil, reducing maintenance needs.

Application

Industrial Uses of NU 3068 MA Bearing
NU 3068 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, ensuring smoother operation in demanding environments.

Where Is NU 3068 MA Bearing Used?
In automotive applications, NU 3068 MA Bearing supports components like drivetrains and axles, handling combined loads with ease. Its chrome steel construction offers durability, making it suitable for long-term use in vehicles.

Built for Heavy-Duty Use: NU 3068 MA Bearing
NU 3068 MA Bearing excels in construction equipment, such as cranes and excavators, where its robust design withstands extreme conditions. The open seal type allows for easy lubrication, extending its service life.

Automotive vs Aerospace: Applications of NU 3068 MA Bearing
NU 3068 MA Bearing is versatile enough for both automotive drivetrains and aerospace landing gear systems. Its high-speed capability and temperature resistance make it reliable across different industries.

Perfect Fit for Automation: NU 3068 MA Bearing
NU 3068 MA Bearing is ideal for automated production lines, where precision and reliability are key. The brass cage ensures minimal wear, even in high-speed robotic applications.

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