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Super Precision Angular Contact Ball Bearings 71910 ACD/HCP4ADBB

Super Precision Angular Contact Ball Bearings 71910 ACD/HCP4ADBB

The 71910 ACD/HCP4ADBB is a super precision angular contact ball bearing measuring 50mm by 72mm by 24mm, crafted from chrome steel with ceramic balls for enhanced durability. It handles radial loads up to 4680 lbf and reaches speeds of 46,000 RPM, making it suitable for high-performance applications.

Its 25° contact angle and light preload ensure smooth operation, while the phenolic cage reduces friction. The open design allows for easy lubrication, maintaining efficiency over time.

This bearing comes in a matched set of two, arranged back-to-back for balanced load distribution. Ideal for precision machinery like CNC spindles or high-speed motors where accuracy is key.

Weighing just 0.24kg, it’s lightweight yet robust, and operates reliably in temperatures from -30°C to 110°C. Compliant with P4A tolerance standards for consistent performance.

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Product Parameters

  • Part Number 71910 ACD/HCP4ADBB
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 50 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 72 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 24 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 6.35 mm
  • Ball Qty 25
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement 2 bearings <> DB
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • Preload Light / Class B
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 4680 lbf
  • Static Radial Load 4410 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 46000 rpm
  • Weight 0.24 kg
Super Precision Angular Contact Ball Bearings 71910 ACD/HCP4ADBB dimension drawing
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Features

Performance Features of 71910 ACD/HCP4ADBB Bearing

71910 ACD/HCP4ADBB Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and ceramic balls enhance durability and reduce friction.

The phenolic cage ensures smooth operation, even at high speeds up to 46,000 rpm.
With a dynamic radial load capacity of 4680 lbf, it handles demanding tasks with ease.

71910 ACD/HCP4ADBB Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its precision P4A tolerance class guarantees consistent performance in critical applications.

The matched arrangement of two bearings provides stability and balanced load distribution.
Light preload class B ensures smooth rotation and reduces vibration during operation.

Application

Industrial Uses of 71910 ACD/HCP4ADBB Bearing
71910 ACD/HCP4ADBB 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 automotive systems, 71910 ACD/HCP4ADBB Bearing supports components like turbochargers and gearboxes, where its light preload enhances performance. The matched arrangement of two bearings provides stability under angular loads.

For medical imaging devices, 71910 ACD/HCP4ADBB Bearing’s phenolic cage and chrome steel rings offer reliability in high-precision scenarios. Its P4A tolerance class ensures consistent performance in critical applications.

Automation and robotics benefit from 71910 ACD/HCP4ADBB Bearing’s low friction and high-speed capabilities, particularly in robotic arms. The open design allows for easy lubrication, extending service life in continuous operation.

In consumer electronics, 71910 ACD/HCP4ADBB Bearing is found in high-end printers and scanners, where its quiet operation is a key advantage. The ceramic balls also help reduce wear in high-use environments.

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