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Super Precision Angular Contact Ball Bearings S71913 ACB/HCP4ADGA

Super Precision Angular Contact Ball Bearings S71913 ACB/HCP4ADGA

The S71913 ACB/HCP4ADGA is a super precision angular contact ball bearing with a 65mm bore and 90mm outer diameter, crafted from high-quality chrome steel. Its 25° contact angle and ceramic balls ensure smooth operation under angular loads.

This sealed bearing comes with a phenolic cage and grease lubrication, handling radial loads up to 3660 lbf. It spins at speeds up to 31,000 RPM and works in temperatures from -30°C to 110°C.

Designed for universal matching, it’s suitable for back-to-back, face-to-face, or tandem arrangements. The extra-light preload (Class A) enhances precision in demanding applications.

Ideal for high-speed machinery like spindles or CNC equipment, where accuracy and durability are key. Weighing 0.41kg, it’s a lightweight yet robust choice for precision engineering.

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Product Parameters

  • Part Number S71913 ACB/HCP4ADGA
  • 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 Universal matching
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Extra light / Class A
  • 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
Super Precision Angular Contact Ball Bearings S71913 ACB/HCP4ADGA dimension drawing
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Features

Performance Features of S71913 ACB/HCP4ADGA Bearing

S71913 ACB/HCP4ADGA 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 universal matching capability, it offers flexibility in back-to-back, face-to-face, or tandem arrangements.

S71913 ACB/HCP4ADGA Bearing’s extra light preload (Class A) ensures precision performance in demanding conditions.
The sealed design and grease lubrication minimise maintenance needs while extending service life.

Its P4A tolerance class guarantees high precision, making it suitable for critical applications.
The dynamic radial load capacity of 3668 lbf ensures reliable performance under stress.

Application

Key Fields for S71913 ACB/HCP4ADGA Bearing
S71913 ACB/HCP4ADGA Bearing is widely used in high-speed machine tools, where its ceramic balls and phenolic cage reduce friction for smoother operation. The sealed design keeps contaminants out, ensuring long-lasting performance in demanding environments.

In robotics, S71913 ACB/HCP4ADGA Bearing provides precise motion control for articulated arms, thanks to its 25° contact angle and universal matching. The extra-light preload also minimises vibration, making it ideal for delicate tasks.

For aerospace applications, S71913 ACB/HCP4ADGA Bearing’s P4A tolerance class ensures reliability in navigation systems and actuators. Its grease lubrication handles extreme temperatures, maintaining performance from -30°C to 110°C.

In medical imaging devices, S71913 ACB/HCP4ADGA Bearing’s chrome steel rings and ceramic balls offer quiet, low-friction rotation. The tandem arrangement option allows for custom setups in compact equipment.

For electric vehicle motors, S71913 ACB/HCP4ADGA Bearing supports high-speed rotation with minimal energy loss. The matched set design simplifies installation, reducing downtime during maintenance.

Q&A

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