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Super Precision Angular Contact Ball Bearings S71915 ACB/HCP4A

Super Precision Angular Contact Ball Bearings S71915 ACB/HCP4A

The S71915 ACB/HCP4A is a super precision angular contact ball bearing with a 75mm bore and 105mm outer diameter, crafted from high-quality chrome steel. Its compact 16mm width makes it suitable for space-sensitive applications.

Featuring a 25° contact angle and ceramic balls, it handles radial loads up to 2992 lbf and spins smoothly at speeds up to 18,000 RPM. The phenolic cage ensures quiet operation and durability.

Sealed for protection, this bearing comes pre-lubricated and works in temperatures from -30°C to 110°C. Its P4 tolerance class (ABEC-7) guarantees high precision for demanding tasks.

Ideal for high-speed machinery like spindles or robotics, where accuracy and reliability are key. Weighing just 0.36kg, it’s lightweight yet robust for its size. Matched arrangements are available for paired installations.

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Product Parameters

  • Part Number S71915 ACB/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 75 mm
  • Bore Dia Tolerance -0.007mm to 0
  • Outer Dia 105 mm
  • Outer Dia Tolerance -0.008mm to 0
  • Width 16 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 6.35 mm
  • Ball Qty 34
  • 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 Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 2992 lbf
  • Static Radial Load 2812 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 18000 rpm
  • Weight 0.36 kg
  • Price（$） 886.14
Super Precision Angular Contact Ball Bearings S71915 ACB/HCP4A dimension drawing
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Features

Performance Features of S71915 ACB/HCP4A Bearing

S71915 ACB/HCP4A Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and ceramic balls reduce friction, enhancing precision and speed capabilities.

The phenolic cage maintains ball alignment, ensuring smooth operation even at high speeds up to 18,000 rpm.
This design also helps in reducing wear, extending the bearing’s service life.

S71915 ACB/HCP4A Bearing comes pre-lubricated, minimising maintenance needs and ensuring consistent performance.
Its sealed design protects against contaminants, making it suitable for various environments.

With a dynamic radial load capacity of 2992 lbf, it handles demanding applications reliably.
The P4 tolerance class ensures high precision, meeting strict industry standards.

Application

Key Fields for S71915 ACB/HCP4A Bearing
S71915 ACB/HCP4A Bearing is widely used in high-precision machine tools, where its 25° contact angle ensures accurate radial and axial load handling. The ceramic balls reduce friction, making it ideal for high-speed spindle applications.

In robotics, S71915 ACB/HCP4A Bearing provides smooth motion control for articulated arms and joints. Its phenolic cage offers lightweight durability, essential for repetitive movements in automated systems.

For aerospace components, S71915 ACB/HCP4A Bearing’s sealed design protects against contaminants in critical flight systems. The P4 tolerance class guarantees consistent performance under demanding conditions.

S71915 ACB/HCP4A Bearing also suits medical imaging devices, where its low vibration and high-speed capabilities enhance diagnostic accuracy. The lubricated construction ensures quiet operation in sensitive environments.

Q&A

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