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Super Precision Angular Contact Ball Bearings S71915 ACB/HCP4ADBA

Super Precision Angular Contact Ball Bearings S71915 ACB/HCP4ADBA

The S71915 ACB/HCP4ADBA is a super precision angular contact ball bearing with a 75mm bore and 105mm outer diameter, crafted from high-quality chrome steel. It features a 25° contact angle and comes sealed for protection, with two bearings in a DB arrangement.

This bearing handles radial loads up to 4860 lbf and reaches speeds of 28,000 RPM, thanks to its ceramic balls and phenolic cage. The extra-light preload ensures smooth operation in high-precision applications.

Its sealed design reduces maintenance needs, while the P4A tolerance class guarantees accuracy. Ideal for machine tools or spindle drives where precision and speed are key.

Weighing 0.72kg, it’s robust yet manageable. The grease lubrication and temperature range of -30°C to 110°C make it versatile for various industrial settings.

The S71915 ACB/HCP4ADBA is interchangeable with SKF bearings, offering a reliable alternative. Its matched set design ensures consistent performance in demanding applications.

The ceramic balls reduce friction, enhancing speed and longevity. Perfect for high-speed machinery or precision equipment requiring minimal vibration.

With a static radial load capacity of 5625 lbf, it’s built to handle heavy-duty tasks. The phenolic cage adds durability while maintaining lightweight performance.

Suitable for environments where temperature fluctuations occur, thanks to its wide operating range. A top choice for engineers seeking reliability and precision.

This bearing’s 6.35mm ceramic balls and 34-ball configuration provide excellent load distribution. The sealed design keeps contaminants out, extending its lifespan.

Its extra-light preload (Class A) ensures minimal resistance, ideal for high-speed rotations. The DB arrangement offers stability under angular loads.

Great for applications like CNC spindles or aerospace components, where precision is critical. The grease lubrication simplifies maintenance without compromising performance.

Compatible with SKF equivalents, it’s a practical option for replacements or upgrades. The chrome steel rings and ceramic balls combine strength with smooth operation.

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Product Parameters

  • Part Number S71915 ACB/HCP4ADBA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 75 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 105 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 32 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 6.35 mm
  • Ball Qty 34
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement 2 bearings <> DB
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • Preload Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 4860 lbf
  • Static Radial Load 5625 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 28000 rpm
  • Weight 0.72 kg
Super Precision Angular Contact Ball Bearings S71915 ACB/HCP4ADBA dimension drawing
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Features

Performance Features of S71915 ACB/HCP4ADBA Bearing

S71915 ACB/HCP4ADBA Bearing is precision-engineered with a 25° contact angle, ideal for angular contact applications.
The ceramic balls reduce friction, ensuring smooth operation even at high speeds.

With a dynamic radial load capacity of 4860 lbf, it handles demanding conditions reliably.
The phenolic cage keeps the balls aligned, minimising wear and extending service life.

S71915 ACB/HCP4ADBA Bearing operates efficiently in temperatures from -30°C to 110°C.
Its sealed design and grease lubrication reduce maintenance needs, making it a practical choice.

The matched arrangement of two bearings ensures stability and precision in high-speed applications.
With a maximum speed of 28,000 rpm, it balances performance and durability.

Application

Ideal for Precision: S71915 ACB/HCP4ADBA Bearing
This bearing excels 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.

Where Is S71915 ACB/HCP4ADBA Bearing Used?
You’ll often find it in precision robotics, particularly in articulated arms requiring tight tolerances. The 25° contact angle handles combined radial and axial loads effortlessly.

Built for Heavy-Duty Use: S71915 ACB/HCP4ADBA Bearing
Its chrome steel rings withstand rigorous conditions in industrial gearboxes, while the extra-light preload minimizes vibration. The matched pair setup enhances stability for critical applications.

Medical vs Industrial: Where S71915 ACB/HCP4ADBA Bearing Excels
In medical scanners, its P4A tolerance ensures quiet, precise rotation. For industrial spindles, the grease lubrication supports sustained high-speed operation up to 28,000 rpm.

How Does S71915 ACB/HCP4ADBA Bearing Support High-Speed Operations?
The ceramic balls and phenolic cage combo reduces heat buildup, ideal for CNC machining centres. Its metric sizing simplifies integration into European-designed equipment.

Q&A

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