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Four-Point Contact Angular Contact Ball Bearings (General) QJ 318 N2PHAS
Four-Point Contact Angular Contact Ball Bearings (General) QJ 318 N2PHAS

Four-Point Contact Angular Contact Ball Bearings (General) QJ 318 N2PHAS

The QJ 318 N2PHAS is a four-point contact angular contact ball bearing with a 90mm bore and 190mm outer diameter, crafted from robust chrome steel. It handles radial loads up to 64125 lbf and operates smoothly at speeds up to 6300 RPM.

Its single-row design and open seal make it easy to maintain, while the Peek cage ensures durability and low 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. Ideal for heavy-duty applications like industrial gearboxes or machinery where high radial loads are present.

Weighing 6.45kg, it’s built to last while meeting RoHS and REACH standards for safety and compliance. The P6 tolerance class ensures precise performance.

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Product Parameters

  • Part Number QJ 318 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 90 mm
  • Bore Dia Tolerance -0.015mm to 0
  • Outer Dia 190 mm
  • Outer Dia Tolerance -0.02mm to 0
  • Width 43 mm
  • Width Tolerance -0.05mm to 0
  • External Diameter On Inner Ring (Large Side Face) 124 mm
  • Internal Diameter On Outer Ring 156 mm
  • Chamfer Dimension 3 mm
  • Distance Pressure Point (a) 98 mm
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Peek
  • Dynamic Radial Load 64125 lbf
  • Static Radial Load 68625 lbf
  • Max Speed 6300 rpm
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Tolerance Class P6 (ABEC-3)
  • ROHS Compliant
  • REACH Compliant
  • Weight 6.45 kg

Features

Performance Features of QJ 318 N2PHAS Bearing

QJ 318 N2PHAS Bearing is built with chrome steel rings and balls, offering strong resistance to radial loads.
Its dynamic radial load capacity reaches 64125 lbf, making it suitable for heavy-duty applications.

The PEEK cage ensures smooth operation and reduces friction, enhancing efficiency.
With a maximum speed of 6,300 rpm, it balances performance and durability.

QJ 318 N2PHAS Bearing operates effectively in temperatures from -30° to 110°C.
Its open design allows for easy lubrication, ensuring long service life with minimal maintenance.

Application

Industrial Uses of QJ 318 N2PHAS Bearing
QJ 318 N2PHAS Bearing is commonly used in heavy machinery, such as industrial gearboxes and large conveyor systems, where its four-point contact design handles combined radial and axial loads efficiently. The chrome steel construction ensures durability in demanding environments.

Where Is QJ 318 N2PHAS Bearing Used?
You’ll often find QJ 318 N2PHAS Bearing in wind turbine yaw systems, where its high load capacity and stability are essential. Its PEEK cage also reduces friction, making it suitable for high-speed applications.

Built for Heavy-Duty Use: QJ 318 N2PHAS Bearing
QJ 318 N2PHAS Bearing excels in construction equipment like cranes, where its robust design supports heavy loads. The precise tolerances (P6 class) ensure reliable performance in critical applications.

Automotive vs Aerospace: Applications of QJ 318 N2PHAS Bearing
In automotive transmissions, QJ 318 N2PHAS Bearing provides smooth operation under high loads. For aerospace, its lightweight yet strong build makes it ideal for auxiliary systems requiring precision.

Perfect Fit for Automation: QJ 318 N2PHAS Bearing
QJ 318 N2PHAS Bearing is a great choice for robotic arms in automation, thanks to its low friction and high-speed capability. The open design allows for easy lubrication, extending service life.

Q&A

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