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Super Precision Angular Contact Ball Bearings S71911 ACE/HCP4ADT

Super Precision Angular Contact Ball Bearings S71911 ACE/HCP4ADT

The S71911 ACE/HCP4ADT is a super precision angular contact ball bearing with a 55mm bore and 80mm outer diameter, crafted from durable chrome steel and ceramic balls. It handles radial loads up to 5355 lbf and spins smoothly at speeds up to 34,000 RPM.

Its sealed design keeps grease in and contaminants out, while the phenolic cage ensures quiet, long-lasting performance. The 25° contact angle and matched arrangement (2 bearings) provide excellent stability under angular loads.

This bearing is ideal for high-speed applications like machine tool spindles or precision instruments. With a temperature range of -30°C to 110°C, it performs reliably in various environments.

Weighing just 0.29kg, it’s lightweight yet robust. Compliant with P4A tolerance class, it offers exceptional precision for demanding tasks. Interchangeable with SKF bearings for easy replacement.

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Product Parameters

  • Part Number S71911 ACE/HCP4ADT
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 55 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 80 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 26 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 7.938 mm
  • Ball Qty 21
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement 2 bearings << DT
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 5355 lbf
  • Static Radial Load 4500 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 34000 rpm
  • Weight 0.29 kg
Super Precision Angular Contact Ball Bearings S71911 ACE/HCP4ADT dimension drawing
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Features

How Does S71911 ACE/HCP4ADT Bearing Achieve High-Speed Performance?

S71911 ACE/HCP4ADT Bearing features ceramic balls and a phenolic cage, reducing friction for smoother high-speed operation.
Its dynamic radial load capacity of 5355 lbf ensures reliable performance under demanding conditions.

The 25° contact angle optimises load distribution, enhancing precision in angular contact applications.
With a maximum speed of 34,000 rpm, it balances speed and durability effortlessly.

Sealed design keeps contaminants out, maintaining performance in various environments.
The P4A tolerance class guarantees consistent precision for critical applications.

Application

Industrial Uses of S71911 ACE/HCP4ADT Bearing
S71911 ACE/HCP4ADT Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The ceramic balls and phenolic cage reduce friction, making it suitable for high-speed operations.

Where Is S71911 ACE/HCP4ADT Bearing Used?
In automotive applications, S71911 ACE/HCP4ADT Bearing supports gearboxes and electric motors, providing reliable performance under angular loads. Its sealed design helps maintain lubrication in demanding conditions.

Built for Heavy-Duty Use: S71911 ACE/HCP4ADT Bearing
This bearing excels in robotics and automation, particularly in robotic arms and CNC machines, where its preload capability enhances stability. The P4A tolerance class ensures consistent precision in repetitive tasks.

Medical vs Industrial: Where S71911 ACE/HCP4ADT Bearing Excels
In medical imaging devices, S71911 ACE/HCP4ADT Bearing offers smooth and quiet operation, crucial for patient comfort. Its chrome steel rings and ceramic balls also make it durable for industrial machinery like pumps and compressors.

Q&A

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