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Four-Point Contact Angular Contact Ball Bearings (General) QJ 232 N2MA
Four-Point Contact Angular Contact Ball Bearings (General) QJ 232 N2MA

Four-Point Contact Angular Contact Ball Bearings (General) QJ 232 N2MA

The QJ 232 N2MA is a four-point contact angular contact ball bearing with a 160mm bore and 290mm outer diameter, crafted from sturdy chrome steel. It handles radial loads up to 101250 lbf and operates smoothly at speeds up to 3800 RPM.

Its single-row design with an open seal allows for easy lubrication, while the brass cage ensures 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. Ideal for heavy-duty applications like industrial gearboxes or large machinery where radial loads are prominent.

Weighing 15.5kg, it’s built to last and complies with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number QJ 232 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 160 mm
  • Bore Dia Tolerance -0.018mm to 0
  • Outer Dia 290 mm
  • Outer Dia Tolerance -0.025mm to 0
  • Width 48 mm
  • Width Tolerance -0.05mm to 0
  • External Diameter On Inner Ring (Large Side Face) 204 mm
  • Internal Diameter On Outer Ring 243 mm
  • Chamfer Dimension 3 mm
  • Distance Pressure Point (a) 158 mm
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Brass
  • Dynamic Radial Load 101250 lbf
  • Static Radial Load 150750 lbf
  • Max Speed 3800 rpm
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Tolerance Class P6 (ABEC-3)
  • ROHS Compliant
  • REACH Compliant
  • Weight 15.5 kg

Features

Performance Features of QJ 232 N2MA Bearing

QJ 232 N2MA Bearing is designed for four-point contact, offering excellent radial load capacity up to 101250 lbf.

Its chrome steel construction ensures durability and resistance to wear in demanding applications.

The brass cage maintains ball alignment, enhancing smooth operation and reducing friction.

With a maximum speed of 3,800 rpm, it balances performance and reliability.

Application

Industrial Uses of QJ 232 N2MA Bearing
QJ 232 N2MA Bearing is commonly used in heavy machinery like industrial gearboxes and large 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 232 N2MA Bearing supports large drivetrain components, such as differential systems, due to its robust chrome steel construction. Its metric sizing makes it a reliable choice for European and Asian vehicle manufacturers.

For automation systems, QJ 232 N2MA Bearing fits well in robotic arms and precision equipment, where its P6 tolerance class guarantees accurate performance. The open seal design allows for easy lubrication, extending service life in continuous operations.

Medical imaging devices benefit from QJ 232 N2MA Bearing’s stable load handling, ensuring smooth rotation in scanners and diagnostic machines. The temperature range of -30° to 110°C makes it suitable for various clinical environments.

In consumer electronics, QJ 232 N2MA Bearing can be found in high-end printers and industrial fans, where durability and quiet operation are key. Its brass cage reduces friction, making it ideal for long-term use.

Q&A

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