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Super Precision Angular Contact Ball Bearings 71914 ACE/P4ADBB

Super Precision Angular Contact Ball Bearings 71914 ACE/P4ADBB

The 71914 ACE/P4ADBB is a super precision angular contact ball bearing with a 70mm bore and 100mm outer diameter, crafted from high-quality chrome steel. Its 25° contact angle efficiently manages both radial and axial loads, making it versatile for demanding applications.

With a dynamic radial load capacity of 7605 lbf and a maximum speed of 31,000 RPM, it performs reliably under high-speed conditions. The phenolic cage ensures smooth operation and durability, while the open design allows for easy lubrication.

This bearing comes in a matched pair (DB arrangement) with light preload, ensuring precise alignment and reduced vibration. Ideal for machine tools or spindle applications where accuracy is crucial.

Operating smoothly from -30°C to 110°C, it’s a robust choice for industrial use. Weighing 0.64kg, it offers a balance of strength and precision, meeting P4A tolerance standards for exceptional performance.

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Product Parameters

  • Part Number 71914 ACE/P4ADBB
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 70 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 100 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 32 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 9.525 mm
  • Ball Qty 22
  • 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 Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 7605 lbf
  • Static Radial Load 6862 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 31000 rpm
  • Weight 0.64 kg
Super Precision Angular Contact Ball Bearings 71914 ACE/P4ADBB dimension drawing
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Features

Performance Features of 71914 ACE/P4ADBB Bearing

71914 ACE/P4ADBB Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure durability and smooth operation under high-speed conditions.

The matched arrangement of two bearings in a DB configuration enhances stability and precision.
With a maximum speed of 31,000 rpm, it is suitable for demanding high-speed applications.

The phenolic cage maintains ball alignment, reducing friction and wear.
Its dynamic radial load capacity of 7605 lbf ensures reliable performance in various conditions.

Light preload class B contributes to smoother operation and extended bearing life.
The open design allows for easy lubrication, maintaining optimal performance over time.

Application

Industrial Uses of 71914 ACE/P4ADBB Bearing
71914 ACE/P4ADBB Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The light preload and P4A tolerance class make it suitable for applications demanding minimal vibration.

In automotive systems, 71914 ACE/P4ADBB Bearing supports high-speed components like turbochargers and electric motor shafts. Its matched arrangement (DB) provides stability under combined radial and axial loads.

For robotics, 71914 ACE/P4ADBB Bearing’s phenolic cage and chrome steel construction offer durability in articulated arms. The 31,000 rpm max speed allows smooth operation in dynamic automation tasks.

Medical imaging devices benefit from 71914 ACE/P4ADBB Bearing’s low-noise performance and precise movement. The open design facilitates easy lubrication, extending service life in critical equipment.

In consumer electronics, 71914 ACE/P4ADBB Bearing is found in high-end printers and scanners. Its 25° contact angle ensures quiet operation, ideal for office environments.

Q&A

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