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Four-Point Contact Angular Contact Ball Bearings (General) QJ 214 N2MA
Four-Point Contact Angular Contact Ball Bearings (General) QJ 214 N2MA

Four-Point Contact Angular Contact Ball Bearings (General) QJ 214 N2MA

The QJ 214 N2MA is a four-point contact angular contact ball bearing, measuring 70mm by 125mm by 24mm, crafted from sturdy chrome steel. It handles radial loads up to 27000 lbf and operates smoothly at speeds up to 9000 RPM.

Its single-row design with an open seal allows for 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. It’s well-suited for applications like gearboxes or industrial machinery where radial loads are common.

Weighing 1.3kg, it offers a robust yet manageable size. Compliant with RoHS and REACH standards, it ensures safe and environmentally friendly use.

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Product Parameters

  • Part Number QJ 214 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 125 mm
  • Outer Dia Tolerance -0.015mm to 0
  • Width 24 mm
  • Width Tolerance -0.05mm to 0
  • External Diameter On Inner Ring (Large Side Face) 83.5 mm
  • Internal Diameter On Outer Ring 106 mm
  • Chamfer Dimension 1.5 mm
  • Distance Pressure Point (a) 68 mm
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Brass
  • Dynamic Radial Load 27000 lbf
  • Static Radial Load 27450 lbf
  • Max Speed 9000 rpm
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Tolerance Class P6 (ABEC-3)
  • ROHS Compliant
  • REACH Compliant
  • Weight 1.3 kg

Features

Performance Features of QJ 214 N2MA Bearing

QJ 214 N2MA Bearing is designed with chrome steel rings and balls, offering strong resistance to radial loads.
Its dynamic radial load capacity reaches 27000 lbf, ensuring reliable performance in demanding applications.

The brass cage keeps the balls aligned, reducing wear and extending service life.
With a maximum speed of 9,000 rpm, it balances durability and efficiency.

QJ 214 N2MA Bearing works in temperatures from -30° to 110 °C, making it suitable for various environments.
Its precision P6 tolerance class ensures smooth and accurate operation.

The open design simplifies maintenance, while the four-point contact provides stability under load.
This makes QJ 214 N2MA Bearing a practical choice for many industrial applications.

Application

Industrial Uses of QJ 214 N2MA Bearing
QJ 214 N2MA Bearing is commonly used in machine tools, where its four-point contact design handles both radial and axial loads efficiently. The brass cage ensures smooth operation even at high speeds, making it suitable for demanding industrial environments.

Where Is QJ 214 N2MA Bearing Used?
In automotive applications, QJ 214 N2MA Bearing fits well in wheel hubs and transmissions, thanks to its robust chrome steel construction. The metric dimensions make it a versatile choice for various vehicle models.

Built for Heavy-Duty Use: QJ 214 N2MA Bearing
QJ 214 N2MA Bearing excels in conveyor systems, where its high dynamic load capacity ensures reliable performance. The open seal design allows for easy lubrication, extending its service life in continuous operation.

Automotive vs Aerospace: Applications of QJ 214 N2MA Bearing
QJ 214 N2MA Bearing is a go-to for automotive gearboxes, offering durability under heavy loads. In aerospace, its precision tolerance class (P6) makes it suitable for auxiliary equipment requiring consistent accuracy.

Perfect Fit for Automation: QJ 214 N2MA Bearing
QJ 214 N2MA Bearing works seamlessly in robotic arms, where its angular contact design supports precise movement. The lubricated construction reduces friction, ensuring smooth operation in automated systems.

Q&A

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