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Super Precision Angular Contact Ball Bearings S71914 ACB/P4A

Super Precision Angular Contact Ball Bearings S71914 ACB/P4A

The S71914 ACB/P4A is a super precision angular contact ball bearing with a 70mm bore and 100mm outer diameter, crafted from high-quality chrome steel. It handles both radial and angular loads, with a dynamic radial load capacity of 2925 lbf.

Its sealed design keeps lubrication in and contaminants out, ensuring smooth operation at speeds up to 16,000 RPM. The phenolic cage adds durability while maintaining low friction.

With a 25° contact angle and P4 tolerance class, it offers excellent precision for demanding applications. Ideal for machine tools, spindles, or high-speed equipment where accuracy is crucial.

Weighing 0.36kg, it’s a robust yet compact choice for industrial use. Compliant with standard temperature ranges from -30°C to 110°C.

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Product Parameters

  • Part Number S71914 ACB/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 70 mm
  • Bore Dia Tolerance -0.007mm to 0
  • Outer Dia 100 mm
  • Outer Dia Tolerance -0.008mm to 0
  • Width 16 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 6.35 mm
  • Ball Qty 32
  • Contact Angle 25°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement Available
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 2925 lbf
  • Static Radial Load 2655 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 16000 rpm
  • Weight 0.36 kg
  • Price（$） 78.462
Super Precision Angular Contact Ball Bearings S71914 ACB/P4A dimension drawing
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Features

Performance Features of S71914 ACB/P4A Bearing

S71914 ACB/P4A Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
The chrome steel rings and balls enhance durability, supporting dynamic radial loads up to 2925 lbf.

Its phenolic cage ensures smooth operation, reducing friction and noise at high speeds.
With a maximum speed of 16,000 rpm, it delivers reliable performance in precision tasks.

The sealed design protects against contaminants, extending service life in harsh environments.
Preload availability further enhances stability, making it suitable for matched arrangements.

S71914 ACB/P4A Bearing operates efficiently within a temperature range of -30° to 110°C.
Its P4 tolerance class ensures high precision, meeting ABEC-7 standards for demanding applications.

Application

Common Applications of S71914 ACB/P4A Bearing
In machine tools, S71914 ACB/P4A Bearing ensures high precision during operations like grinding and milling, thanks to its 25° contact angle and P4 tolerance class. The sealed design keeps contaminants out, extending service life in demanding workshop conditions.

How Does S71914 ACB/P4A Bearing Improve Performance?
For high-speed spindles in aerospace components, S71914 ACB/P4A Bearing reduces friction with its phenolic cage and lubricated balls. Its matched arrangement option allows for better load distribution in paired installations.

Ideal for Precision: S71914 ACB/P4A Bearing
Medical imaging devices benefit from S71914 ACB/P4A Bearing’s consistent rotation and low vibration, critical for clear scan results. The chrome steel construction handles frequent start-stop cycles without compromising accuracy.

Automotive vs Aerospace: Applications of S71914 ACB/P4A Bearing
In electric vehicle motors, S71914 ACB/P4A Bearing manages angular loads from regenerative braking, while in aircraft actuators, its 16,000 rpm rating ensures reliable control surface movements. The metric sizing suits both industries’ standards.

Where to Use S71914 ACB/P4A Bearing
Robotic arms employ S71914 ACB/P4A Bearing for smooth articulation in automated assembly lines, where its preload adjustment minimizes backlash. The -30°C to 110°C range accommodates most factory environments without performance loss.

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