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Four-Point Contact Angular Contact Ball Bearings (General) QJ 1080 N2MA
Four-Point Contact Angular Contact Ball Bearings (General) QJ 1080 N2MA

Four-Point Contact Angular Contact Ball Bearings (General) QJ 1080 N2MA

The QJ 1080 N2MA is a four-point contact angular contact ball bearing, measuring 400mm by 600mm by 90mm, with a robust chrome steel construction. It supports both radial and axial loads, handling up to 203400 lbf dynamically and 486000 lbf statically.

Designed for single-row use, it features an open seal for easy lubrication and maintenance. The brass cage enhances durability, while the P6 tolerance class ensures precise performance.

This bearing operates smoothly at speeds up to 1500 RPM and works in temperatures from -30°C to 110°C. It’s interchangeable with SKF models, making it a versatile choice.

Ideal for heavy-duty applications like industrial gearboxes or large machinery, where high load capacity and reliability are key. Weighing 95kg, it’s built for demanding environments. Compliant with RoHS and REACH standards.

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Product Parameters

  • Part Number QJ 1080 N2MA
  • Brand TFL
  • Interchangeable SKF
  • System of Measurement Metric
  • Bearing Type Ball
  • For Load Direction Four Point Contact
  • Construction Single Row
  • Seal Type Open
  • Bore Dia 400 mm
  • Bore Dia Tolerance -0.03mm to 0
  • Outer Dia 600 mm
  • Outer Dia Tolerance -0.038mm to 0
  • Width 90 mm
  • Width Tolerance -0.05mm to 0
  • External Diameter On Inner Ring (Large Side Face) 470 mm
  • Internal Diameter On Outer Ring 530 mm
  • Chamfer Dimension 5 mm
  • Distance Pressure Point (a) 350 mm
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Brass
  • Dynamic Radial Load 203400 lbf
  • Static Radial Load 486000 lbf
  • Max Speed 1500 rpm
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Tolerance Class P6 (ABEC-3)
  • ROHS Compliant
  • REACH Compliant
  • Weight 95 kg

Features

Why Choose QJ 1080 N2MA Bearing for Precision Tasks?

QJ 1080 N2MA Bearing features a four-point contact design, offering high radial load capacity up to 203400 lbf.
Its chrome steel construction ensures durability and resistance to wear in demanding applications.

The brass cage maintains ball alignment, reducing friction and enhancing smooth operation.
With a maximum speed of 1,500 rpm, it balances performance and reliability.

QJ 1080 N2MA Bearing operates efficiently in temperatures ranging from -30° to 110°C.
Its P6 tolerance class ensures precision, making it suitable for high-accuracy tasks.

Application

Industrial Uses of QJ 1080 N2MA Bearing
QJ 1080 N2MA Bearing is commonly used in heavy machinery, such as large-scale conveyor systems and industrial presses, where its four-point contact design handles combined radial and axial loads efficiently. The brass cage ensures smooth operation even under high stress.

In automation systems, QJ 1080 N2MA Bearing supports robotic arms and assembly line equipment, thanks to its precise P6 tolerance class. The open seal design allows for easy lubrication, extending its service life in continuous operation.

For wind turbine applications, QJ 1080 N2MA Bearing’s robust construction and high load capacity make it suitable for main shaft support. Its chrome steel rings and balls provide durability in harsh outdoor conditions.

Automotive vs Aerospace: Applications of QJ 1080 N2MA Bearing
In automotive manufacturing, QJ 1080 N2MA Bearing is often found in large stamping machines, where its size and load capacity are ideal. The metric dimensions ensure compatibility with European and Asian equipment standards.

Aerospace applications benefit from QJ 1080 N2MA Bearing’s precision in ground support machinery, such as aircraft tow tractors. The temperature range of -30° to 110°C ensures reliability in varying climates.

Built for Heavy-Duty Use: QJ 1080 N2MA Bearing
QJ 1080 N2MA Bearing excels in mining equipment, where its high static radial load capacity handles extreme conditions. The lubricated design reduces friction, enhancing performance in dusty environments.

For construction machinery like cranes, QJ 1080 N2MA Bearing’s large bore diameter and width provide stability. The chamfered edges prevent stress concentration, improving longevity.

Q&A

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