Super Precision Angular Contact Ball Bearings S71913 ACB/HCP4ADT

Super Precision Angular Contact Ball Bearings S71913 ACB/HCP4ADT

The S71913 ACB/HCP4ADT is a super precision angular contact ball bearing with a 65mm bore and 90mm outer diameter, crafted from durable chrome steel and ceramic balls. It handles radial loads up to 3668 lbf and spins smoothly at speeds up to 31,000 RPM, thanks to its phenolic cage and grease lubrication.

Its sealed design keeps contaminants out, while the 25° contact angle ensures stable performance under angular loads. The matched set of two bearings with preload offers enhanced rigidity for demanding applications.

Ideal for high-speed machinery like spindles or CNC equipment, this bearing operates reliably in temperatures from -30°C to 110°C. Weighing just 0.41kg, it’s lightweight yet robust for precision tasks.

Compatible with SKF bearings, it’s a practical choice for replacements or upgrades in precision engineering setups. The P4A tolerance class guarantees consistent accuracy.

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Product Parameters

  • Part Number S71913 ACB/HCP4ADT
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 65 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 90 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 26 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 5.556 mm
  • Ball Qty 32
  • 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 3668 lbf
  • Static Radial Load 3960 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 31000 rpm
  • Weight 0.41 kg

Features

Performance Features of S71913 ACB/HCP4ADT Bearing

S71913 ACB/HCP4ADT Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and ceramic balls enhance durability while reducing friction.

The phenolic cage ensures smooth operation, even at high speeds up to 31,000 rpm.
With a dynamic radial load capacity of 3668 lbf, it handles demanding tasks with ease.

S71913 ACB/HCP4ADT Bearing comes preloaded and matched in sets of two for balanced performance.
Its sealed design and grease lubrication reduce maintenance needs, making it a reliable choice.

The P4A tolerance class ensures precision, ideal for applications requiring high accuracy.
Its temperature range of -30°C to 110°C allows for versatile use in various environments.

Application

Super Precision Angular Contact Ball Bearings S71913 ACB/HCP4ADT excels in high-speed machine tool spindles, where its ceramic balls and phenolic cage reduce friction for smoother operation. The 25° contact angle ensures optimal load distribution during precision machining tasks.

In robotics, S71913 ACB/HCP4ADT supports articulated arms requiring tight tolerances and minimal vibration. Its matched bearing arrangement (DT pairing) enhances rigidity in repetitive motion applications.

For aerospace components like gyroscopes, S71913 ACB/HCP4ADT’s P4A tolerance class maintains accuracy under thermal fluctuations. The sealed design also protects against contaminants in sensitive environments.

Dental drill systems benefit from S71913 ACB/HCP4ADT’s grease lubrication and 31,000 rpm capability, ensuring quiet, reliable performance during procedures. The chrome steel rings withstand frequent sterilisation cycles.

In semiconductor manufacturing equipment, S71913 ACB/HCP4ADT’s ceramic-ball construction prevents electrical arcing while handling delicate wafers. The metric dimensions simplify integration with European and Asian machinery designs.

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