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Four-Point Contact Angular Contact Ball Bearings (General) QJ 314 N2MA

Four-Point Contact Angular Contact Ball Bearings (General) QJ 314 N2MA

The QJ 314 N2MA is a four-point contact angular contact ball bearing with a 70mm bore and 150mm outer diameter, crafted from sturdy chrome steel. It manages radial loads up to 45000 lbf and operates smoothly at speeds up to 8000 RPM.

Its single-row design with an open seal ensures easy lubrication, while the brass cage enhances durability. The bearing performs reliably in temperatures ranging from -30°C to 110°C.

This model is interchangeable with SKF bearings, making it a practical choice for replacements. Suitable for applications like gearboxes or industrial machinery where radial and axial loads are present.

Weighing 3.15kg, it offers a robust build for its size. Compliant with RoHS and REACH standards for safe and eco-friendly use.

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Product Parameters

  • Part Number QJ 314 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 70 mm
  • Bore Dia Tolerance -0.012mm to 0
  • Outer Dia 150 mm
  • Outer Dia Tolerance -0.015mm to 0
  • Width 35 mm
  • Width Tolerance -0.05mm to 0
  • External Diameter On Inner Ring (Large Side Face) 89 mm
  • Internal Diameter On Outer Ring 123 mm
  • Chamfer Dimension 2.1 mm
  • Distance Pressure Point (a) 77 mm
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Brass
  • Dynamic Radial Load 45000 lbf
  • Static Radial Load 40500 lbf
  • Max Speed 8000 rpm
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Tolerance Class P6 (ABEC-3)
  • ROHS Compliant
  • REACH Compliant
  • Weight 3.15 kg
Four-Point Contact Angular Contact Ball Bearings (General) QJ 314 N2MA dimension drawing
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Features

Performance Features of QJ 314 N2MA Bearing

QJ 314 N2MA Bearing is built with chrome steel rings and balls, offering excellent resistance to radial loads.
Its dynamic radial load capacity reaches 45000 lbf, making it suitable for heavy-duty applications.

The brass cage ensures smooth ball movement, reducing friction and enhancing longevity.
With a maximum speed of 8,000 rpm, it delivers reliable performance in high-speed operations.

QJ 314 N2MA Bearing operates efficiently in temperatures from -30° to 110°C, adapting to various environments.
Its P6 tolerance class ensures precision, making it ideal for demanding industrial uses.

Application

Key Fields for QJ 314 N2MA Bearing
QJ 314 N2MA Bearing is commonly used in industrial machinery, especially where high radial and axial loads are present, such as in gearboxes and heavy-duty pumps. Its brass cage ensures smooth operation even under demanding conditions.

What Makes QJ 314 N2MA Bearing a Preferred Choice?
In automotive applications, QJ 314 N2MA Bearing is ideal for wheel hubs and transmissions, thanks to its four-point contact design. The chrome steel construction provides durability and long service life.

Designed for Versatility: QJ 314 N2MA Bearing
For automation systems, QJ 314 N2MA Bearing works well in robotic arms and conveyor belts, where precision and reliability are key. Its metric sizing makes it compatible with a variety of equipment.

Medical vs Industrial: Where QJ 314 N2MA Bearing Excels
In medical devices, QJ 314 N2MA Bearing offers reliable performance in imaging equipment and surgical tools. The open design allows for easy lubrication, ensuring consistent operation.

Practical Applications of QJ 314 N2MA Bearing
QJ 314 N2MA Bearing is also found in consumer electronics, such as high-performance printers and industrial fans. Its balanced load handling makes it suitable for both light and heavy-duty uses.

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