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Four-Point Contact Angular Contact Ball Bearings (General) QJ 320 N2MA
Four-Point Contact Angular Contact Ball Bearings (General) QJ 320 N2MA

Four-Point Contact Angular Contact Ball Bearings (General) QJ 320 N2MA

The QJ 320 N2MA is a four-point contact angular contact ball bearing with a 100mm bore and 215mm outer diameter, crafted from sturdy chrome steel. It manages radial loads up to 77625 lbf and operates smoothly at speeds up to 5600 RPM.

Its single-row design and open construction allow 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. Suitable for applications like industrial gearboxes or heavy machinery where high radial loads are present.

Weighing 9.3kg, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards for safe and eco-friendly use.

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Product Parameters

  • Part Number QJ 320 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 100 mm
  • Bore Dia Tolerance -0.015mm to 0
  • Outer Dia 215 mm
  • Outer Dia Tolerance -0.02mm to 0
  • Width 47 mm
  • Width Tolerance -0.05mm to 0
  • External Diameter On Inner Ring (Large Side Face) 139 mm
  • Internal Diameter On Outer Ring 176 mm
  • Chamfer Dimension 3 mm
  • Distance Pressure Point (a) 110 mm
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Brass
  • Dynamic Radial Load 77625 lbf
  • Static Radial Load 90000 lbf
  • Max Speed 5600 rpm
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Tolerance Class P6 (ABEC-3)
  • ROHS Compliant
  • REACH Compliant
  • Weight 9.3 kg

Features

How Does QJ 320 N2MA Bearing Handle Heavy Radial Loads?

QJ 320 N2MA Bearing is built with chrome steel rings and balls, offering robust resistance to heavy radial loads.
Its dynamic radial load capacity reaches 77,625 lbf, ensuring dependable performance in tough applications.

The brass cage maintains ball alignment, reducing friction and extending operational life.
With a maximum speed of 5,600 rpm, it delivers a balance of strength and efficiency.

QJ 320 N2MA Bearing operates smoothly in temperatures from -30° to 110°C, adapting to various conditions.
Its precision P6 tolerance class ensures consistent performance in demanding setups.

Application

Key Fields for QJ 320 N2MA Bearing
QJ 320 N2MA Bearing is commonly used in industrial machinery, especially in applications like heavy-duty gearboxes and large conveyor systems. Its four-point contact design ensures it handles both radial and axial loads efficiently.

In the automotive sector, QJ 320 N2MA Bearing is ideal for high-performance transmissions and wheel hubs. The brass cage enhances durability, making it suitable for long-term use under demanding conditions.

For automation and robotics, QJ 320 N2MA Bearing provides reliable performance in robotic arms and precision machinery. Its P6 tolerance class ensures consistent accuracy, which is crucial for automated processes.

In wind turbines, QJ 320 N2MA Bearing supports the main shaft, where its high load capacity and stability are essential. The chrome steel construction also resists wear in harsh outdoor environments.

Q&A

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