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Four-Point Contact Angular Contact Ball Bearings (General) QJ 202 N2MA
Four-Point Contact Angular Contact Ball Bearings (General) QJ 202 N2MA

Four-Point Contact Angular Contact Ball Bearings (General) QJ 202 N2MA

The QJ 202 N2MA is a compact four-point contact bearing, measuring 15mm by 35mm by 11mm, crafted from durable chrome steel. It handles radial loads up to 2858 lbf and spins smoothly at speeds up to 36,000 RPM.

Its brass cage and open design ensure reliable performance, while the single-row construction saves space. The bearing operates well in temperatures from -30°C to 110°C.

This model is interchangeable with SKF bearings, making it a practical choice for replacements. Ideal for applications like pumps or small machinery where space and precision matter.

Weighing just 0.062kg, it’s lightweight yet sturdy. Compliant with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number QJ 202 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 15 mm
  • Bore Dia Tolerance -0.007mm to 0
  • Outer Dia 35 mm
  • Outer Dia Tolerance -0.009mm to 0
  • Width 11 mm
  • Width Tolerance -0.05mm to 0
  • External Diameter On Inner Ring (Large Side Face) 22 mm
  • Internal Diameter On Outer Ring 28.1 mm
  • Chamfer Dimension 0.6 mm
  • Distance Pressure Point (a) 18 mm
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Brass
  • Dynamic Radial Load 2858 lbf
  • Static Radial Load 1868 lbf
  • Max Speed 36000 rpm
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Tolerance Class P6 (ABEC-3)
  • ROHS Compliant
  • REACH Compliant
  • Weight 0.062 kg

Features

Why Choose QJ 202 N2MA Bearing for Precision Tasks?

QJ 202 N2MA Bearing features a four-point contact design, offering precise load distribution for angular applications.
Its chrome steel rings and balls ensure durability and smooth operation under dynamic radial loads up to 2858 lbf.

The brass cage maintains ball alignment, reducing friction and enhancing performance at high speeds of 36,000 rpm.
With a P6 tolerance class, it delivers consistent accuracy in demanding conditions.

QJ 202 N2MA Bearing operates efficiently within a temperature range of -30° to 110°C, suitable for various environments.
Its compact size and lightweight design make it ideal for space-constrained applications.

Application

Industrial Uses of QJ 202 N2MA Bearing
QJ 202 N2MA Bearing is commonly used in machine tools, where its four-point contact design handles combined radial and axial loads efficiently. The brass cage ensures smooth operation even at high speeds, making it suitable for precision equipment.

Where Is QJ 202 N2MA Bearing Used?
In automotive applications, QJ 202 N2MA Bearing fits well in gearboxes and wheel hubs, thanks to its robust chrome steel construction. Its metric sizing and P6 tolerance class make it a reliable choice for European and Asian vehicle models.

Perfect Fit for Automation: QJ 202 N2MA Bearing
QJ 202 N2MA Bearing works seamlessly in robotic arms and automated assembly lines, where its high-speed capability and low friction are key. The open design allows for easy lubrication, extending its service life in continuous operations.

Medical vs Industrial: Where QJ 202 N2MA Bearing Excels
In medical devices like surgical robots, QJ 202 N2MA Bearing offers precise movement and reliability. For industrial pumps, its ability to handle heavy loads and high speeds ensures consistent performance.

Essential Roles of QJ 202 N2MA Bearing
QJ 202 N2MA Bearing is ideal for conveyor systems, where its durability and load capacity keep operations running smoothly. The brass cage reduces wear, making it a cost-effective solution for long-term use.

Q&A

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