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Super Precision Angular Contact Ball Bearings 71915 ACE/P4A

Super Precision Angular Contact Ball Bearings 71915 ACE/P4A

The 71915 ACE/P4A is a super precision angular contact ball bearing with a 75mm bore and 105mm outer diameter, crafted from high-quality chrome steel. It handles radial loads up to 4770 lbf and operates smoothly at speeds up to 24,000 RPM.

Its 25° contact angle and phenolic cage ensure stable performance under angular loads, while the open design allows for easy lubrication. The bearing is preloaded for better accuracy and fits within a -30°C to 110°C temperature range.

This model is interchangeable with SKF bearings, making it a versatile choice for replacements. Ideal for high-precision applications like machine tool spindles or high-speed rotary systems.

Weighing just 0.34kg, it’s lightweight yet durable. Compliant with P4 tolerance class (ABEC-7) for reliable performance in demanding conditions.

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Product Parameters

  • Part Number 71915 ACE/P4A
  • 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 9.525 mm
  • Ball Qty 23
  • Contact Angle 25°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 4770 lbf
  • Static Radial Load 3600 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 24000 rpm
  • Weight 0.34 kg
  • Price（$） 738.324
Super Precision Angular Contact Ball Bearings 71915 ACE/P4A dimension drawing
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Features

Performance Features of 71915 ACE/P4A Bearing

71915 ACE/P4A Bearing is crafted with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure durability under dynamic radial loads up to 4770 lbf.

The phenolic cage maintains ball alignment, reducing friction and enhancing smooth operation.
With a maximum speed of 24,000 rpm, it delivers reliable performance in high-speed scenarios.

71915 ACE/P4A Bearing operates efficiently within a temperature range of -30° to 110°C.
Its precision P4 tolerance class ensures consistent performance in demanding conditions.

The open design allows for easy lubrication, extending maintenance intervals.
Weighing just 0.34 kg, it balances strength and lightweight construction.

Application

Key Fields for 71915 ACE/P4A Bearing
71915 ACE/P4A Bearing is commonly used in high-speed machine tools, where its 25° contact angle ensures smooth operation under radial and axial loads. The phenolic cage reduces friction, making it suitable for precision grinding applications.

How Does 71915 ACE/P4A Bearing Improve Performance?
In automotive applications like electric motors, 71915 ACE/P4A Bearing’s P4 tolerance class enhances efficiency and reduces vibration. Its chrome steel construction also provides long-lasting performance in demanding conditions.

Perfect Fit for Automation: 71915 ACE/P4A Bearing
For robotic arms and CNC machines, 71915 ACE/P4A Bearing offers reliable angular contact support. The open design allows for easy lubrication, ensuring consistent performance in automated systems.

Medical vs Industrial: Where 71915 ACE/P4A Bearing Excels
In medical imaging devices, 71915 ACE/P4A Bearing’s precision ensures accurate positioning. Meanwhile, its durability makes it equally effective in industrial pumps and compressors.

Light-Duty vs Heavy-Duty: Best Uses for 71915 ACE/P4A Bearing
For light-duty applications like dental drills, 71915 ACE/P4A Bearing provides quiet operation. In heavy-duty scenarios like gearboxes, its high dynamic load capacity ensures reliability.

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