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Super Precision Angular Contact Ball Bearings 71910 CD/P4A

Super Precision Angular Contact Ball Bearings 71910 CD/P4A

The 71910 CD/P4A is a super precision angular contact ball bearing with a 50mm bore and 72mm outer diameter, crafted from high-quality chrome steel. It features a 15° contact angle and is designed for angular loads, handling up to 3038 lbf dynamically.

Its open design and phenolic cage ensure smooth operation at speeds up to 28,000 RPM, while the P4 tolerance class guarantees exceptional accuracy. The bearing is preloaded for better stability and performance.

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

Weighing just 0.13kg, it’s lightweight yet robust, and operates reliably in temperatures from -30°C to 110°C. Lubricated for easy maintenance, it’s a dependable option for demanding environments.

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Product Parameters

  • Part Number 71910 CD/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 50 mm
  • Bore Dia Tolerance -0.006mm to 0
  • Outer Dia 72 mm
  • Outer Dia Tolerance -0.007mm to 0
  • Width 12 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 6.35 mm
  • Ball Qty 25
  • 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 3038 lbf
  • Static Radial Load 2340 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 28000 rpm
  • Weight 0.13 kg
  • Price（$） 371.97
Super Precision Angular Contact Ball Bearings 71910 CD/P4A dimension drawing
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Features

Performance Features of 71910 CD/P4A Bearing

71910 CD/P4A Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure durability and consistent performance under dynamic radial loads up to 3038 lbf.

The phenolic cage maintains ball alignment, reducing friction and enhancing smooth operation at high speeds.
With a maximum speed of 28,000 rpm, it delivers reliable performance in precision machinery.

71910 CD/P4A Bearing operates efficiently within a temperature range of -30° to 110°C, suitable for various environments.
Its P4 tolerance class ensures high precision, making it ideal for demanding applications.

The open design allows for easy lubrication, maintaining optimal performance over time.
This bearing is interchangeable with SKF models, offering flexibility for replacements and upgrades.

Application

Industrial Uses of 71910 CD/P4A Bearing
71910 CD/P4A Bearing is commonly used in high-speed machine tools, where its precision angular contact design ensures accurate spindle rotation. The open seal type allows for efficient lubrication, extending service life in demanding conditions.

In automotive applications, 71910 CD/P4A Bearing supports gearbox systems, providing reliable performance under combined radial and axial loads. Its phenolic cage material reduces friction, making it suitable for high-speed operations.

For robotics, 71910 CD/P4A Bearing offers the necessary precision for articulated arms and joints. The P4 tolerance class ensures minimal vibration, crucial for smooth and repeatable movements.

In medical imaging devices, 71910 CD/P4A Bearing’s chrome steel construction delivers consistent performance. The 15° contact angle helps manage loads effectively, even in compact spaces.

Where Is 71910 CD/P4A Bearing Used?
You’ll find 71910 CD/P4A Bearing in 3D printers, where its high-speed capabilities and precision are essential for detailed prints. The lubricated design also reduces maintenance needs.

Built for Heavy-Duty Use: 71910 CD/P4A Bearing
71910 CD/P4A Bearing handles heavy loads in industrial pumps, thanks to its robust chrome steel construction. The dynamic radial load capacity ensures durability in continuous operation.

Automotive vs Aerospace: Applications of 71910 CD/P4A Bearing
In automotive systems, 71910 CD/P4A Bearing is ideal for wheel hubs, while in aerospace, it supports auxiliary power units. Its high-speed rating and precision make it versatile across industries.

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