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Super Precision Angular Contact Ball Bearings 71915 CB/P4A

Super Precision Angular Contact Ball Bearings 71915 CB/P4A

The 71915 CB/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 3150 lbf and operates smoothly at speeds up to 26,000 RPM.

Its 15° contact angle and phenolic cage ensure stable performance under angular loads, while the open design allows for easy lubrication. The bearing is preload-ready for precise adjustments in demanding setups.

Ideal for high-speed applications like machine tool spindles or precision instruments, it works in temperatures from -30°C to 110°C. Weighing 0.37kg, it’s lightweight yet durable for its size.

This model meets P4 tolerance standards (ABEC-7) and is interchangeable with SKF bearings, making it a reliable choice for replacements.

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Product Parameters

  • Part Number 71915 CB/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 6.35 mm
  • Ball Qty 34
  • Contact Angle 15°
  • 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 3150 lbf
  • Static Radial Load 2970 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 26000 rpm
  • Weight 0.37 kg
  • Price（$） 738.324
Super Precision Angular Contact Ball Bearings 71915 CB/P4A dimension drawing
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Features

Why Choose 71915 CB/P4A Bearing for Precision Tasks?

71915 CB/P4A Bearing features a 15° contact angle, optimised for high-precision angular contact applications.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction for smoother operation.

With a dynamic radial load capacity of 3150 lbf, it handles demanding tasks reliably.
The P4 tolerance class guarantees exceptional accuracy, making it suitable for precision instruments.

Operating at speeds up to 26,000 rpm, it balances performance and efficiency.
Its open design allows easy lubrication, extending service life in various conditions.

Application

Key Fields for 71915 CB/P4A Bearing
71915 CB/P4A Bearing is widely used in high-speed machine tools, where its 15° contact angle ensures precise radial and axial load handling. The phenolic cage reduces friction, making it ideal for applications requiring smooth rotation.

How Does 71915 CB/P4A Bearing Improve Performance?
In automotive transmissions, 71915 CB/P4A Bearing enhances efficiency by reducing energy loss during high-speed operation. Its chrome steel construction provides durability under continuous stress.

Built for Heavy-Duty Use: 71915 CB/P4A Bearing
71915 CB/P4A Bearing excels in industrial pumps, handling both radial and thrust loads with ease. The open design allows for easy lubrication, extending service life in demanding environments.

Automotive vs Aerospace: Applications of 71915 CB/P4A Bearing
71915 CB/P4A Bearing is versatile, fitting both automotive wheel hubs and aerospace actuators. Its P4 tolerance class ensures reliability in precision-critical applications.

Perfect Fit for Automation: 71915 CB/P4A Bearing
71915 CB/P4A Bearing is a go-to choice for robotic arms, offering low friction and high-speed capability. The balanced load distribution makes it suitable for repetitive motion tasks.

Q&A

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