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Super Precision Angular Contact Ball Bearings 71915 CE/P4ADFA

Super Precision Angular Contact Ball Bearings 71915 CE/P4ADFA

The 71915 CE/P4ADFA is a super precision angular contact ball bearing with a 75mm bore and 105mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 8190 lbf and spins smoothly at high speeds up to 36,000 RPM.

Its 15° contact angle and matched DF arrangement provide excellent stability for angular loads. The phenolic cage ensures quiet operation and long service life.

Preloaded for extra light performance, this bearing is ideal for precision applications like machine tool spindles or high-speed motors. It operates reliably in temperatures from -30°C to 110°C.

Weighing 0.68kg, this set includes two bearings for balanced load distribution. Compliant with P4A tolerance standards, it’s a top choice for demanding industrial uses.

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Product Parameters

  • Part Number 71915 CE/P4ADFA
  • 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 9.525 mm
  • Ball Qty 23
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement 2 bearings >< DF
  • 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 Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 8190 lbf
  • Static Radial Load 7650 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 36000 rpm
  • Weight 0.68 kg
Super Precision Angular Contact Ball Bearings 71915 CE/P4ADFA dimension drawing
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Features

Performance Features of 71915 CE/P4ADFA Bearing

71915 CE/P4ADFA Bearing is designed with a 15° contact angle, optimised for angular contact load applications.

Its chrome steel rings and balls ensure durability and high performance under dynamic radial loads up to 8190 lbf.

The phenolic cage maintains ball alignment, reducing friction and wear for smoother operation.

With a maximum speed of 36,000 rpm, it excels in high-speed precision tasks.

How Is 71915 CE/P4ADFA Bearing Engineered for Reliability?

71915 CE/P4ADFA Bearing features an extra light preload (Class A), enhancing precision and reducing vibration.

The matched arrangement of two bearings (DF) provides stability and balanced load distribution.

Its P4A tolerance class ensures tight dimensional accuracy for critical applications.

Lubrication is pre-applied, simplifying initial setup and maintenance.

Designed for Durability: 71915 CE/P4ADFA Bearing

71915 CE/P4ADFA Bearing operates efficiently in temperatures ranging from -30°C to 110°C.

The chrome steel construction resists wear, while the phenolic cage minimises heat generation.

Its static radial load capacity of 7650 lbf ensures reliability in demanding conditions.

The open seal design allows for easy relubrication if required.

Steel vs Ceramic Bearings: Strengths of 71915 CE/P4ADFA Bearing

71915 CE/P4ADFA Bearing uses chrome steel for both rings and balls, offering a balance of strength and affordability.

The 23 high-precision balls (9.525 mm diameter) ensure smooth rotation and load distribution.

Its phenolic cage provides quieter operation compared to metal cages.

The metric dimensions (75 mm×105 mm×32 mm) make it compatible with standard systems.

Application

Industrial Uses of 71915 CE/P4ADFA Bearing
71915 CE/P4ADFA Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The matched DF arrangement provides stability, making it suitable for heavy cutting operations.
In automotive applications, 71915 CE/P4ADFA Bearing supports gearbox systems, offering smooth performance under high-speed conditions. Its phenolic cage reduces friction, enhancing efficiency in demanding environments.

Where Is 71915 CE/P4ADFA Bearing Used?
You’ll often find 71915 CE/P4ADFA Bearing in robotics, particularly in articulated arms requiring precise movement. The extra-light preload ensures minimal vibration, ideal for delicate tasks.
It’s also a reliable choice for medical imaging devices, where consistent rotation and low noise are essential. The P4A tolerance class guarantees the precision needed for diagnostic accuracy.

Built for Heavy-Duty Use: 71915 CE/P4ADFA Bearing
71915 CE/P4ADFA Bearing excels in industrial pumps, handling both radial and axial loads with ease. The chrome steel construction ensures long-lasting performance even in harsh conditions.
For automation systems, this bearing’s high-speed capability (up to 36,000 rpm) makes it a go-to for conveyor belts and sorting machines. The lubricated design reduces maintenance needs.

Automotive vs Aerospace: Applications of 71915 CE/P4ADFA Bearing
In automotive systems, 71915 CE/P4ADFA Bearing is often used in turbochargers, where its high-speed tolerance improves engine efficiency. The 15° contact angle optimises load distribution.
For aerospace applications, this bearing’s lightweight phenolic cage and P4A precision make it suitable for flight control systems. Its temperature range (-30°C to 110°C) ensures reliability at varying altitudes.

Q&A

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