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Super Precision Angular Contact Ball Bearings 71910 ACE/HCP4ADBA

Super Precision Angular Contact Ball Bearings 71910 ACE/HCP4ADBA

The 71910 ACE/HCP4ADBA is a super precision angular contact ball bearing with a 50mm bore and 72mm outer diameter, designed for high-speed applications. Its 25° contact angle and ceramic balls ensure smooth operation under radial loads up to 4478 lbf.

The matched pair arrangement (DB) with extra light preload offers stability, while the phenolic cage reduces friction. It spins at speeds up to 46,000 RPM, making it ideal for precision machinery.

Open design allows easy lubrication, and it performs reliably between -30°C and 110°C. Weighing 0.22kg, this bearing is lightweight yet durable.

Perfect for spindle drives or high-precision tools where accuracy and speed are critical. Compliant with P4A tolerance standards for consistent performance.

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Product Parameters

  • Part Number 71910 ACE/HCP4ADBA
  • 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 7.144 mm
  • Ball Qty 21
  • 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 Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 4478 lbf
  • Static Radial Load 3668 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 46000 rpm
  • Weight 0.22 kg
Super Precision Angular Contact Ball Bearings 71910 ACE/HCP4ADBA dimension drawing
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Features

Performance Features of 71910 ACE/HCP4ADBA Bearing

71910 ACE/HCP4ADBA Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.

The ceramic balls and chrome steel rings enhance durability, while the phenolic cage ensures smooth operation at high speeds.

With a dynamic radial load capacity of 4478 lbf, it handles demanding conditions with ease.

Its extra light preload and P4A tolerance class make it ideal for precision tasks.

Application

Industrial Uses of 71910 ACE/HCP4ADBA Bearing
71910 ACE/HCP4ADBA Bearing is commonly used in high-speed machine tools, where its precision and angular contact design ensure accurate performance. The ceramic balls reduce friction, making it ideal for applications requiring smooth operation.

In robotics, 71910 ACE/HCP4ADBA Bearing supports articulated arms, providing stability and durability in repetitive movements. The matched arrangement of two bearings enhances load distribution, extending service life.

For medical imaging devices, 71910 ACE/HCP4ADBA Bearing’s phenolic cage and chrome steel rings offer reliable performance in sterile environments. Its extra-light preload ensures minimal vibration, crucial for sensitive equipment.

Automotive vs Aerospace: Applications of 71910 ACE/HCP4ADBA Bearing
In automotive systems, 71910 ACE/HCP4ADBA Bearing is found in high-performance gearboxes, where its speed capability and load handling are key. The metric sizing ensures compatibility with European and Asian models.

Aerospace applications benefit from 71910 ACE/HCP4ADBA Bearing’s lightweight design and high-speed tolerance. The ceramic balls and phenolic cage reduce weight while maintaining precision in critical flight components.

What Makes 71910 ACE/HCP4ADBA Bearing a Preferred Choice?
71910 ACE/HCP4ADBA Bearing is a go-to for automation systems, particularly in 3D printers, where its precision ensures consistent layer alignment. The open seal design allows for easy lubrication maintenance.

In consumer electronics like high-end printers, 71910 ACE/HCP4ADBA Bearing’s quiet operation and durability make it a reliable component. The temperature range ensures performance in various operating conditions.

Q&A

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