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Four-Point Contact Angular Contact Ball Bearings (General) QJ 330 N2MA
Four-Point Contact Angular Contact Ball Bearings (General) QJ 330 N2MA

Four-Point Contact Angular Contact Ball Bearings (General) QJ 330 N2MA

The QJ 330 N2MA is a four-point contact angular contact ball bearing, measuring 150mm by 320mm by 65mm. Made from chrome steel with a brass cage, it offers a robust build for heavy-duty applications.

It handles radial loads up to 119250 lbf and operates smoothly at speeds up to 3600 RPM. The open design allows for easy lubrication, ensuring long-lasting performance even in demanding conditions.

With a P6 tolerance class, this bearing provides reliable precision for industrial use. Its four-point contact design distributes loads evenly, reducing wear and tear.

Ideal for machinery like gearboxes or pumps, it works well in temperatures from -30°C to 110°C. Weighing 29kg, it’s a sturdy choice for heavy equipment. Compliant with RoHS and REACH standards for safe and eco-friendly use.

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Product Parameters

  • Part Number QJ 330 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 150 mm
  • Bore Dia Tolerance -0.018mm to 0
  • Outer Dia 320 mm
  • Outer Dia Tolerance -0.028mm to 0
  • Width 65 mm
  • Width Tolerance -0.05mm to 0
  • External Diameter On Inner Ring (Large Side Face) 211 mm
  • Internal Diameter On Outer Ring 259 mm
  • Chamfer Dimension 4 mm
  • Distance Pressure Point (a) 165 mm
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Brass
  • Dynamic Radial Load 119250 lbf
  • Static Radial Load 172125 lbf
  • Max Speed 3600 rpm
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Tolerance Class P6 (ABEC-3)
  • ROHS Compliant
  • REACH Compliant
  • Weight 29 kg

Features

Performance Features of QJ 330 N2MA Bearing

QJ 330 N2MA Bearing is built with chrome steel rings and balls, offering strong resistance to radial loads.
Its dynamic radial load capacity reaches 119250 lbf, ensuring reliable performance in heavy-duty applications.

The brass cage maintains ball alignment, reducing friction and extending service life.
With a maximum speed of 3,600 rpm, it balances durability and efficiency for industrial use.

QJ 330 N2MA Bearing operates smoothly in temperatures ranging from -30° to 110°C.
Its open design allows for easy lubrication, enhancing long-term performance.

The precision P6 tolerance class ensures consistent operation in demanding conditions.
This makes QJ 330 N2MA Bearing a dependable choice for high-load applications.

Application

Industrial Uses of QJ 330 N2MA Bearing
QJ 330 N2MA Bearing is commonly used in heavy machinery, such as large gearboxes and industrial pumps, where its four-point contact design handles combined radial and axial loads efficiently. The brass cage ensures smooth operation even under high stress.

In automotive applications, QJ 330 N2MA Bearing supports components like wheel hubs and transmission systems, thanks to its robust chrome steel construction. Its metric sizing makes it a versatile choice for various vehicle designs.

For automation systems, QJ 330 N2MA Bearing is ideal for robotic arms and precision equipment, where its P6 tolerance class guarantees consistent performance. The open seal design allows for easy lubrication, extending its service life.

Medical imaging devices benefit from QJ 330 N2MA Bearing’s reliable load-bearing capacity, ensuring smooth operation in critical applications. The temperature range of -30° to 110°C makes it suitable for diverse environments.

In consumer electronics, QJ 330 N2MA Bearing can be found in high-performance printers and industrial fans, where its durability and precision are key. The 29 kg weight indicates its suitability for larger, heavy-duty applications.

Q&A

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