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Super Precision Angular Contact Ball Bearings 7209 ACD/HCP4A

Super Precision Angular Contact Ball Bearings 7209 ACD/HCP4A

The 7209 ACD/HCP4A is a super precision angular contact ball bearing with a 45mm bore and 85mm outer diameter, designed for high-speed applications. Its 25° contact angle efficiently handles both radial and axial loads, with dynamic radial load capacity up to 9225 lbf.

The bearing features ceramic balls and a phenolic cage, reducing friction and allowing speeds up to 28,000 RPM. Chrome steel rings provide durability, while the open design simplifies lubrication.

With ABEC-7 (P4) tolerance class, it offers exceptional running accuracy. Ideal for machine tool spindles or high-performance motors where precision is key. Operates reliably in temperatures from -30°C to 110°C.

Weighing 0.34kg, this SKF-interchangeable model combines lightweight design with robust performance. Preload availability ensures optimal stiffness for demanding applications.

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Product Parameters

  • Part Number 7209 ACD/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 45 mm
  • Bore Dia Tolerance -0.006mm to 0
  • Outer Dia 85 mm
  • Outer Dia Tolerance -0.008mm to 0
  • Width 19 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 12.7 mm
  • Ball Qty 14
  • Contact Angle 25°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 9225 lbf
  • Static Radial Load 6750 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 28000 rpm
  • Weight 0.34 kg
  • Price（$） 281.466
Super Precision Angular Contact Ball Bearings 7209 ACD/HCP4A dimension drawing
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Features

How Is 7209 ACD/HCP4A Bearing Engineered for Reliability?

7209 ACD/HCP4A Bearing features a 25° contact angle, optimised for high-precision angular contact applications.
Its chrome steel rings and ceramic balls enhance durability while reducing friction.

With a dynamic radial load capacity of 9225 lbf, it handles demanding conditions effectively.
The phenolic cage ensures smooth operation at speeds up to 28,000 rpm.

Preload availability allows for fine-tuning, improving performance in precision tasks.
Its P4 tolerance class guarantees consistent accuracy in high-speed applications.

The open design simplifies lubrication, maintaining efficiency over time.
7209 ACD/HCP4A Bearing operates reliably within a temperature range of -30° to 110°C.

Application

Industrial Uses of 7209 ACD/HCP4A Bearing
7209 ACD/HCP4A Bearing is commonly used in high-speed machine tools, where its ceramic balls and phenolic cage reduce friction for smoother operation. The 25° contact angle makes it ideal for handling combined radial and axial loads in precision equipment.

Where Is 7209 ACD/HCP4A Bearing Used?
In automotive applications, 7209 ACD/HCP4A Bearing supports components like electric motors and gearboxes, ensuring reliable performance under demanding conditions. Its P4 tolerance class guarantees the precision needed for smooth, efficient operation.

Perfect Fit for Automation: 7209 ACD/HCP4A Bearing
7209 ACD/HCP4A Bearing excels in robotic arms and automated systems, where its high-speed capability and low heat generation are key advantages. The open design allows for easy lubrication, extending service life in continuous-use environments.

Medical vs Industrial: Where 7209 ACD/HCP4A Bearing Excels
In medical imaging devices, 7209 ACD/HCP4A Bearing’s ceramic balls provide quiet, vibration-free operation essential for accurate diagnostics. Industrial applications benefit from its durability and ability to handle heavy loads in harsh conditions.

Light-Duty vs Heavy-Duty: Best Uses for 7209 ACD/HCP4A Bearing
For light-duty applications like small electric motors, 7209 ACD/HCP4A Bearing offers precise motion control with minimal maintenance. In heavy-duty settings, its robust construction ensures long-term reliability under high stress.

Q&A

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