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Four-Point Contact Angular Contact Ball Bearings (General) QJ 205 MA
Four-Point Contact Angular Contact Ball Bearings (General) QJ 205 MA

Four-Point Contact Angular Contact Ball Bearings (General) QJ 205 MA

The QJ 205 MA is a four-point contact angular contact ball bearing with a 25mm bore and 52mm outer diameter, crafted from sturdy chrome steel. It manages radial loads up to 6075 lbf and spins efficiently at speeds up to 22,000 RPM.

Its open design and brass cage ensure smooth operation and easy maintenance, while the single-row construction offers reliable performance. The bearing operates well 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 pumps or gearboxes where combined radial and axial loads are present.

Weighing just 0.16kg, it’s lightweight yet durable. Compliant with RoHS and REACH standards for safe and eco-friendly use.

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Product Parameters

  • Part Number QJ 205 MA
  • 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 25 mm
  • Bore Dia Tolerance -0.008mm to 0
  • Outer Dia 52 mm
  • Outer Dia Tolerance -0.011mm to 0
  • Width 15 mm
  • Width Tolerance -0.05mm to 0
  • External Diameter On Inner Ring (Large Side Face) 31.5 mm
  • Internal Diameter On Outer Ring 43 mm
  • Chamfer Dimension 1 mm
  • Distance Pressure Point (a) 27 mm
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Brass
  • Dynamic Radial Load 6075 lbf
  • Static Radial Load 4770 lbf
  • Max Speed 22000 rpm
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Tolerance Class P6 (ABEC-3)
  • ROHS Compliant
  • REACH Compliant
  • Weight 0.16 kg

Features

Why Choose QJ 205 MA Bearing for Precision Tasks?

QJ 205 MA Bearing features a four-point contact design, allowing it to handle both radial and axial loads efficiently.

Its chrome steel rings and balls ensure durability, while the brass cage maintains alignment for smooth operation.

With a dynamic radial load capacity of 6075 lbf, it performs reliably in demanding applications.

The P6 tolerance class guarantees precision, making it suitable for high-speed operations up to 22,000 rpm.

Application

Industrial Uses of QJ 205 MA Bearing
QJ 205 MA Bearing is commonly used in machine tools, where its four-point contact design handles combined radial and axial loads efficiently. The open seal type simplifies lubrication, ideal for high-speed spindle applications.

Where Is QJ 205 MA Bearing Used?
In automotive steering systems, QJ 205 MA Bearing provides smooth rotation and load support, thanks to its brass cage and chrome steel construction. Its metric sizing ensures compatibility with various vehicle designs.

Perfect Fit for Automation: QJ 205 MA Bearing
QJ 205 MA Bearing works well in robotic arms, offering precise movement and durability. The P6 tolerance class ensures consistent performance in automated production lines.

Medical vs Industrial: Where QJ 205 MA Bearing Excels
QJ 205 MA Bearing suits medical imaging devices, where quiet operation is key, while also thriving in industrial gearboxes. Its temperature range accommodates diverse operating conditions.

Light-Duty vs Heavy-Duty: Best Uses for QJ 205 MA Bearing
QJ 205 MA Bearing adapts to light-duty applications like small conveyors, yet handles heavy loads in construction equipment. The dynamic radial load capacity makes it versatile across industries.

Q&A

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