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Super Precision Angular Contact Ball Bearings 7209 ACD/P4AQBCA

Super Precision Angular Contact Ball Bearings 7209 ACD/P4AQBCA

The 7209 ACD/P4AQBCA is a super precision angular contact ball bearing with a 45mm bore and 85mm outer diameter, crafted from durable chrome steel. It features a 25° contact angle and comes in a matched set of four bearings for balanced performance.

This bearing handles radial loads up to 24300 lbf and can spin at speeds up to 41000 RPM, making it suitable for high-speed applications. Its phenolic cage ensures smooth operation and reduces friction.

The open design allows for easy lubrication, while the extra light preload (Class A) ensures minimal resistance. Ideal for precision machinery like CNC spindles or high-speed motors.

With a temperature range of -30°C to 110°C, it performs reliably in various conditions. Weighing 1.64kg, it’s robust yet manageable for its size. Compliant with P4A tolerance standards for accuracy.

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Product Parameters

  • Part Number 7209 ACD/P4AQBCA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 45 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 85 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 76 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 12.7 mm
  • Ball Qty 14
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement 4 bearings <<>> QBC
  • Number Of Bearings In Matched Set 4
  • Universal Matching Bearing No
  • Preload Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 24300 lbf
  • Static Radial Load 26550 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 41000 rpm
  • Weight 1.64 kg
Super Precision Angular Contact Ball Bearings 7209 ACD/P4AQBCA dimension drawing
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Features

Performance Features of 7209 ACD/P4AQBCA Bearing

7209 ACD/P4AQBCA Bearing is designed for super precision applications with a 25° contact angle, ensuring optimal load distribution.
Its chrome steel rings and balls provide high durability, while the phenolic cage reduces friction and noise.

The bearing can handle dynamic radial loads up to 24,300 lbf, making it suitable for demanding tasks.
With a maximum speed of 41,000 rpm, it delivers both performance and reliability.

7209 ACD/P4AQBCA Bearing operates efficiently in temperatures ranging from -30°C to 110°C.
Its P4A tolerance class ensures consistent precision in high-speed applications.

The matched arrangement of four bearings enhances stability and load capacity.
This design is ideal for applications requiring extra light preload and angular contact performance.

Lubrication is already applied, reducing initial setup time and maintenance needs.
The open seal type allows for easy inspection and re-lubrication if required.

Application

Key Fields for 7209 ACD/P4AQBCA Bearing
7209 ACD/P4AQBCA Bearing is widely used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The phenolic cage reduces friction, making it suitable for high-speed operations.

In robotics, 7209 ACD/P4AQBCA Bearing supports articulated arms, providing smooth movement and long service life. Its matched arrangement of four bearings enhances stability in dynamic applications.

For aerospace components, 7209 ACD/P4AQBCA Bearing handles radial and axial loads efficiently, thanks to its chrome steel construction. The extra light preload ensures minimal vibration during flight.

Medical imaging devices benefit from 7209 ACD/P4AQBCA Bearing’s precision, ensuring reliable performance in critical diagnostics. The P4A tolerance class guarantees consistent accuracy under load.

In electric motors, 7209 ACD/P4AQBCA Bearing’s high-speed capability and lubrication extend operational life. Its 25° contact angle optimises load distribution for quieter running.

Q&A

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