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Super Precision Angular Contact Ball Bearings 7201 ACD/HCP4A

Super Precision Angular Contact Ball Bearings 7201 ACD/HCP4A

The 7201 ACD/HCP4A is a super precision angular contact ball bearing with a 12mm bore and 32mm outer diameter, crafted from high-quality chrome steel. It features a 25° contact angle and ceramic balls for smooth operation.

This bearing handles radial loads up to 1287 lbf and reaches speeds of 85,000 RPM, making it suitable for high-performance applications. Its phenolic cage ensures durability while keeping weight low at just 0.033kg.

The open design allows for easy lubrication, and it operates reliably in temperatures from -30°C to 110°C. With P4 tolerance class (ABEC-7), it offers exceptional precision.

Ideal for machine tools or high-speed spindles where accuracy is crucial. Matched arrangements are available for paired mounting needs, providing flexibility in complex setups.

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Product Parameters

  • Part Number 7201 ACD/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 12 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 32 mm
  • Outer Dia Tolerance -0.006mm to 0
  • Width 10 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 5.556 mm
  • Ball Qty 10
  • Contact Angle 25°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement Available
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 1287 lbf
  • Static Radial Load 551 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 85000 rpm
  • Weight 0.033 kg
  • Price（$） 65.241
Super Precision Angular Contact Ball Bearings 7201 ACD/HCP4A dimension drawing
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Features

Performance Features of 7201 ACD/HCP4A Bearing

7201 ACD/HCP4A Bearing features a 25° contact angle, optimised for precision angular contact applications.
Its chrome steel rings and ceramic balls reduce friction, enhancing performance in high-speed scenarios.

The phenolic cage ensures smooth operation, even at speeds up to 85,000 rpm.
With a dynamic radial load capacity of 1287 lbf, it handles demanding tasks with ease.

7201 ACD/HCP4A Bearing’s P4 tolerance class guarantees high precision for critical applications.
Its open design allows for easy lubrication, maintaining efficiency over time.

The compact 12 mm×32 mm×10 mm size makes it suitable for space-constrained installations.
Ceramic balls contribute to its durability, reducing wear in high-speed environments.

Application

Practical Applications of 7201 ACD/HCP4A Bearing
7201 ACD/HCP4A Bearing is commonly used in high-speed machine tools, where its precision angular contact design ensures accurate spindle rotation. The ceramic balls reduce friction, making it ideal for applications demanding smooth operation.

In robotics, 7201 ACD/HCP4A Bearing supports articulated arms, providing stability and responsiveness. Its phenolic cage offers lightweight durability, perfect for repetitive movements in automated systems.

For medical imaging devices, 7201 ACD/HCP4A Bearing’s P4 tolerance class guarantees consistent performance. The open seal design allows for easy lubrication, extending its lifespan in critical healthcare equipment.

Where Is 7201 ACD/HCP4A Bearing Used?
7201 ACD/HCP4A Bearing excels in aerospace applications, such as gyroscopes, where its high-speed capability and precision are essential. The matched arrangement option ensures balanced performance in paired setups.

In consumer electronics, 7201 ACD/HCP4A Bearing can be found in high-end turntables, enhancing sound quality with its low-noise operation. The chrome steel rings provide long-lasting reliability for everyday use.

Built for Heavy-Duty Use: 7201 ACD/HCP4A Bearing
7201 ACD/HCP4A Bearing handles heavy loads in industrial pumps, thanks to its robust ceramic ball construction. The 25° contact angle distributes forces evenly, reducing wear over time.

For automotive transmissions, 7201 ACD/HCP4A Bearing offers smooth gear shifts under high radial loads. Its temperature range ensures performance in both cold starts and prolonged driving conditions.

Automotive vs Aerospace: Applications of 7201 ACD/HCP4A Bearing
In automotive systems, 7201 ACD/HCP4A Bearing improves fuel efficiency by reducing friction in drivetrains. The metric sizing fits seamlessly into European and Asian vehicle designs.

For aerospace, 7201 ACD/HCP4A Bearing’s lightweight phenolic cage is crucial for reducing aircraft component weight. Its high-speed tolerance makes it suitable for turbine applications.

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