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Four-Point Contact Angular Contact Ball Bearings (General) QJ 309 PHAS
Four-Point Contact Angular Contact Ball Bearings (General) QJ 309 PHAS

Four-Point Contact Angular Contact Ball Bearings (General) QJ 309 PHAS

The QJ 309 PHAS is a four-point contact angular contact ball bearing with a 45mm bore and 100mm outer diameter, crafted from sturdy chrome steel. It manages radial loads up to 22500 lbf and operates smoothly at speeds up to 12000 RPM.

Its single-row design and open seal make it easy to maintain, while the Peek cage ensures durability and reduced friction. The bearing performs reliably in temperatures ranging from -30°C to 110°C.

This model is interchangeable with SKF bearings, offering a practical replacement option. It’s well-suited for applications like industrial gearboxes or machinery requiring high radial load capacity.

Weighing 1.05kg, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe choice for various industrial uses.

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Product Parameters

  • Part Number QJ 309 PHAS
  • 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 45 mm
  • Bore Dia Tolerance -0.01mm to 0
  • Outer Dia 100 mm
  • Outer Dia Tolerance -0.013mm to 0
  • Width 25 mm
  • Width Tolerance -0.05mm to 0
  • External Diameter On Inner Ring (Large Side Face) 58 mm
  • Internal Diameter On Outer Ring 81.2 mm
  • Chamfer Dimension 1.5 mm
  • Distance Pressure Point (a) 51 mm
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Peek
  • Dynamic Radial Load 22500 lbf
  • Static Radial Load 18675 lbf
  • Max Speed 12000 rpm
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Tolerance Class P6 (ABEC-3)
  • ROHS Compliant
  • REACH Compliant
  • Weight 1.05 kg

Features

How Does QJ 309 PHAS Bearing Handle Radial Loads?

QJ 309 PHAS Bearing is built with chrome steel rings and balls, offering strong resistance to radial loads.
Its dynamic radial load capacity reaches 22500 lbf, ensuring reliable performance in various applications.
The Peek cage maintains ball alignment, reducing friction and extending operational life.
With a maximum speed of 12,000 rpm, it combines durability with high-speed efficiency.

Why Choose QJ 309 PHAS Bearing for Precision Tasks?

QJ 309 PHAS Bearing features a single-row design with four-point contact, ideal for precision tasks.
The chrome steel construction ensures durability and resistance to wear under heavy loads.
Its P6 tolerance class (ABEC-3) guarantees consistent performance in demanding conditions.
The open seal type allows for easy lubrication, enhancing smooth operation.

Engineered for Precision: QJ 309 PHAS Bearing

QJ 309 PHAS Bearing is designed for high-speed applications, with a maximum speed of 12,000 rpm.
The chrome steel components provide excellent resistance to wear and fatigue.
Its Peek cage reduces friction, ensuring quiet and efficient operation.
The bearing’s four-point contact design enhances load distribution and stability.

Application

Industrial Uses of QJ 309 PHAS Bearing
QJ 309 PHAS Bearing is commonly used in machine tools, where its four-point contact design handles combined radial and axial loads efficiently. The open seal type simplifies lubrication, ensuring smooth operation in demanding industrial settings.

Where Is QJ 309 PHAS Bearing Used?
In automotive applications, QJ 309 PHAS Bearing supports high-speed components like wheel hubs and transmissions. Its chrome steel construction and P6 tolerance class provide reliable performance under varying loads.

Built for Heavy-Duty Use: QJ 309 PHAS Bearing
QJ 309 PHAS Bearing excels in automation systems, particularly in robotic arms and precision gearboxes. The Peek cage material reduces friction, making it suitable for high-speed operations.

Medical vs Industrial: Where QJ 309 PHAS Bearing Excels
For medical imaging devices, QJ 309 PHAS Bearing offers stability and low noise, essential for accurate diagnostics. In industrial settings, its durability shines in conveyor systems and heavy machinery.

Q&A

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