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Super Precision Angular Contact Ball Bearings 71910 CD/P4ADBA

Super Precision Angular Contact Ball Bearings 71910 CD/P4ADBA

The 71910 CD/P4ADBA is a super precision angular contact ball bearing with a 50mm bore and 72mm outer diameter, crafted from high-quality chrome steel. It features a 15° contact angle and comes in a matched pair for balanced performance.

This bearing handles radial loads up to 4972 lbf and can reach speeds of 46,000 RPM, making it suitable for high-speed applications. Its phenolic cage ensures smooth operation and durability under demanding conditions.

The open design allows for easy lubrication, while the P4A tolerance class guarantees exceptional precision. Ideal for machine tools or spindle applications where accuracy and speed are crucial.

Weighing just 0.26kg, this bearing pair offers a lightweight yet robust solution. It operates efficiently in temperatures ranging from -30°C to 110°C.

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Product Parameters

  • Part Number 71910 CD/P4ADBA
  • 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 15°
  • 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 Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 4972 lbf
  • Static Radial Load 4680 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 46000 rpm
  • Weight 0.26 kg
  • Price（$） 187.326
Super Precision Angular Contact Ball Bearings 71910 CD/P4ADBA dimension drawing
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Features

Performance Features of 71910 CD/P4ADBA Bearing

71910 CD/P4ADBA Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction for smoother operation.
With a dynamic radial load capacity of 4972 lbf, it handles demanding conditions reliably.
The extra light preload (Class A) enhances precision, making it suitable for high-speed applications up to 46,000 rpm.

Application

Industrial Uses of 71910 CD/P4ADBA Bearing
71910 CD/P4ADBA Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The extra light preload makes it suitable for applications demanding minimal friction.

In automotive systems, 71910 CD/P4ADBA Bearing supports components like electric motors and gearboxes, thanks to its balanced load handling. The matched arrangement of two bearings enhances stability in high-speed scenarios.

For medical imaging devices, 71910 CD/P4ADBA Bearing’s phenolic cage and chrome steel construction provide reliable performance. Its P4A tolerance class ensures consistent operation in sensitive equipment.

Automation & robotics benefit from 71910 CD/P4ADBA Bearing’s ability to handle combined loads in robotic arms. The lubricated design reduces maintenance needs in continuous operation.

In consumer electronics, 71910 CD/P4ADBA Bearing is found in high-end printers, where its low noise and smooth rotation improve performance. The metric sizing ensures compatibility with various compact devices.

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