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Four-Point Contact Angular Contact Ball Bearings (General) QJ 1092 N2MA

Four-Point Contact Angular Contact Ball Bearings (General) QJ 1092 N2MA

The QJ 1092 N2MA is a large four-point contact angular contact ball bearing, measuring 460mm in bore diameter and 680mm in outer diameter, with a width of 100mm. Made from chrome steel, it’s built to handle heavy radial loads up to 234000 lbf.

Its single-row design and brass cage ensure smooth operation, even at speeds up to 1300 RPM. The open seal type allows for easy lubrication, making maintenance straightforward.

This bearing is ideal for heavy-duty applications like industrial machinery or large gearboxes, where high radial loads are common. It operates well in temperatures from -30°C to 110°C.

Weighing 130kg, it’s a robust choice for demanding environments. Compliant with RoHS and REACH standards, it’s also interchangeable with SKF bearings for easy replacement.

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Product Parameters

  • Part Number QJ 1092 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 460 mm
  • Bore Dia Tolerance -0.035mm to 0
  • Outer Dia 680 mm
  • Outer Dia Tolerance -0.045mm to 0
  • Width 100 mm
  • Width Tolerance -0.05mm to 0
  • External Diameter On Inner Ring (Large Side Face) 537 mm
  • Internal Diameter On Outer Ring 603 mm
  • Chamfer Dimension 6 mm
  • Distance Pressure Point (a) 399 mm
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Brass
  • Dynamic Radial Load 234000 lbf
  • Static Radial Load 596250 lbf
  • Max Speed 1300 rpm
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Tolerance Class P6 (ABEC-3)
  • ROHS Compliant
  • REACH Compliant
  • Weight 130 kg
Four-Point Contact Angular Contact Ball Bearings (General) QJ 1092 N2MA dimension drawing
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Features

Why Choose QJ 1092 N2MA Bearing for Precision Tasks?

QJ 1092 N2MA Bearing features a four-point contact design, ensuring stability and precision in angular applications.

The chrome steel rings and balls enhance durability, while the brass cage maintains alignment under heavy loads.

With a dynamic radial load capacity of 234,000 lbf, QJ 1092 N2MA Bearing handles demanding operations with ease.

Its P6 tolerance class ensures high precision, making it suitable for applications requiring tight control.

QJ 1092 N2MA Bearing operates smoothly within a temperature range of -30° to 110°C, adapting to various environments.

The lubricated design reduces friction, extending the bearing’s service life and minimising maintenance needs.

The large bore diameter of 460 mm makes QJ 1092 N2MA Bearing ideal for heavy machinery and industrial equipment.

Its robust construction and high load capacity ensure reliable performance in challenging conditions.

Application

Industrial Uses of QJ 1092 N2MA Bearing
QJ 1092 N2MA Bearing is commonly used in heavy machinery like cranes and excavators, where its four-point contact design handles both radial and axial loads efficiently. The brass cage ensures smooth operation even under high stress.

What Makes QJ 1092 N2MA Bearing a Preferred Choice?
In wind turbines, QJ 1092 N2MA Bearing’s large size and high load capacity make it ideal for supporting rotor shafts. Its P6 tolerance class ensures precision in demanding environments.

Built for Heavy-Duty Use: QJ 1092 N2MA Bearing
QJ 1092 N2MA Bearing excels in steel mills, where its chrome steel construction withstands extreme temperatures and heavy loads. The lubricated design reduces friction, extending service life.

Automotive vs Aerospace: Applications of QJ 1092 N2MA Bearing
In automotive applications, QJ 1092 N2MA Bearing is found in large gearboxes, while in aerospace, it supports landing gear mechanisms. Its metric sizing ensures compatibility across industries.

Q&A

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