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Super Precision Angular Contact Ball Bearings 71915 ACB/HCP4A

Super Precision Angular Contact Ball Bearings 71915 ACB/HCP4A

The 71915 ACB/HCP4A is a super precision angular contact ball bearing with a 75mm bore and 105mm outer diameter, crafted from high-quality chrome steel and ceramic balls. It handles radial loads up to 2992 lbf and operates smoothly at speeds up to 28,000 RPM.

With a 25° contact angle and phenolic cage, it offers excellent stability and low friction. The open design allows for easy lubrication, ensuring long-lasting performance in temperatures from -30°C to 110°C.

This bearing is interchangeable with SKF models and comes in matched arrangements for precise applications. Ideal for high-speed machinery like spindles or CNC equipment where accuracy is crucial.

Weighing just 0.34kg, it’s lightweight yet durable, meeting P4 tolerance standards for superior precision.

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Product Parameters

  • Part Number 71915 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 Open
  • 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 28000 rpm
  • Weight 0.34 kg
  • Price（$） 738.594
Super Precision Angular Contact Ball Bearings 71915 ACB/HCP4A dimension drawing
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Features

Performance Features of 71915 ACB/HCP4A Bearing

71915 ACB/HCP4A 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.

With a dynamic radial load capacity of 2992 lbf, it handles high-speed operations up to 28,000 rpm smoothly.
The phenolic cage ensures stable performance even under demanding conditions.

This bearing operates efficiently within a temperature range of -30° to 110°C, suitable for various environments.
Its P4 tolerance class guarantees precision, making it ideal for high-accuracy applications.

The open design allows for easy lubrication, maintaining consistent performance over time.
Its lightweight construction at 0.34 kg ensures easy handling without compromising strength.

Application

Key Fields for 71915 ACB/HCP4A Bearing
71915 ACB/HCP4A Bearing is widely used in high-speed machine tools, where its ceramic balls and phenolic cage reduce friction and heat buildup. The 25° contact angle ensures stable performance under combined radial and axial loads.

In robotics, 71915 ACB/HCP4A Bearing provides precise motion control for articulated arms and rotary joints. Its P4 tolerance class makes it suitable for applications demanding minimal vibration and high accuracy.

For aerospace components, 71915 ACB/HCP4A Bearing handles extreme speeds while maintaining reliability. The open design allows for custom lubrication, extending service life in demanding conditions.

Where Is 71915 ACB/HCP4A Bearing Used?
You’ll often find 71915 ACB/HCP4A Bearing in precision spindles for grinding machines, where its ceramic balls enhance durability. The metric sizing ensures compatibility with European and Asian equipment standards.

In electric vehicle motors, 71915 ACB/HCP4A Bearing supports high RPM operation with minimal energy loss. The chrome steel rings provide excellent wear resistance for long-term use.

Built for Heavy-Duty Use: 71915 ACB/HCP4A Bearing
71915 ACB/HCP4A Bearing excels in industrial pumps, handling both radial and thrust loads effortlessly. Its phenolic cage offers good chemical resistance in harsh environments.

For CNC machining centres, 71915 ACB/HCP4A Bearing ensures smooth rotation at high speeds. The matched arrangement option allows for preload adjustment to suit specific application needs.

Medical vs Industrial: Where 71915 ACB/HCP4A Bearing Excels
In medical imaging devices, 71915 ACB/HCP4A Bearing operates quietly and precisely, thanks to its ceramic balls. The P4 tolerance ensures consistent performance in sensitive equipment.

For industrial gearboxes, 71915 ACB/HCP4A Bearing withstands heavy loads while maintaining alignment. The open design simplifies relubrication during maintenance intervals.

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