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Four-Point Contact Angular Contact Ball Bearings (General) QJ 306 N2PHAS

Four-Point Contact Angular Contact Ball Bearings (General) QJ 306 N2PHAS

The QJ 306 N2PHAS is a four-point contact angular contact ball bearing with a 30mm bore and 72mm outer diameter, crafted from sturdy chrome steel. It manages radial loads up to 11925 lbf and operates smoothly at speeds up to 17000 RPM.

Its open design and Peek cage ensure durability and easy maintenance, while the single-row construction provides stability. 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 industrial machinery or gear systems where radial and axial loads are present.

Weighing 0.42kg, it offers a balance of strength and lightweight design. Compliant with RoHS and REACH standards for safe and eco-friendly use.

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Product Parameters

  • Part Number QJ 306 N2PHAS
  • 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 30 mm
  • Bore Dia Tolerance -0.008mm to 0
  • Outer Dia 72 mm
  • Outer Dia Tolerance -0.011mm to 0
  • Width 19 mm
  • Width Tolerance -0.05mm to 0
  • External Diameter On Inner Ring (Large Side Face) 40.5 mm
  • Internal Diameter On Outer Ring 58.2 mm
  • Chamfer Dimension 1.1 mm
  • Distance Pressure Point (a) 36 mm
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Peek
  • Dynamic Radial Load 11925 lbf
  • Static Radial Load 9338 lbf
  • Max Speed 17000 rpm
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Tolerance Class P6 (ABEC-3)
  • ROHS Compliant
  • REACH Compliant
  • Weight 0.42 kg
Four-Point Contact Angular Contact Ball Bearings (General) QJ 306 N2PHAS dimension drawing
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Features

How Is QJ 306 N2PHAS Bearing Engineered for Reliability?

QJ 306 N2PHAS Bearing features a four-point contact design, allowing it to handle both radial and axial loads efficiently.
The chrome steel rings and balls provide durability, while the Peek cage ensures smooth operation at high speeds.
With a dynamic radial load capacity of 11925 lbf, it performs reliably in demanding conditions.
Its P6 tolerance class guarantees precision, making it suitable for applications requiring high accuracy.

Application

Where Is QJ 306 N2PHAS Bearing Used?
QJ 306 N2PHAS Bearing is commonly seen in industrial machinery, especially where combined radial and axial loads are present, like in gearboxes and pumps. Its four-point contact design ensures stability even under heavy loads.

In automotive applications, QJ 306 N2PHAS Bearing fits well in wheel hubs and transmissions, thanks to its high-speed capability and durability. The P6 tolerance class makes it suitable for precision automotive components.

For automation systems, QJ 306 N2PHAS Bearing works efficiently in robotic arms and CNC machines, where smooth rotation is essential. The Peek cage material reduces friction, enhancing performance in continuous operations.

Medical devices like centrifuges benefit from QJ 306 N2PHAS Bearing’s reliable performance and low maintenance needs. The chrome steel construction ensures long service life in demanding environments.

In household appliances, QJ 306 N2PHAS Bearing can be found in washing machines and fans, where its balanced load handling keeps things running quietly. The open design allows for easy lubrication, extending its lifespan.

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