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Super Precision Angular Contact Ball Bearings 71907 CB/P4A

Super Precision Angular Contact Ball Bearings 71907 CB/P4A

The 71907 CB/P4A is a super precision angular contact ball bearing with a 35mm bore and 55mm outer diameter, crafted from high-quality chrome steel. Its compact 10mm width makes it suitable for space-sensitive applications.

With a 15° contact angle, it handles both radial and axial loads efficiently, supporting up to 1141 lbf dynamically. It spins smoothly at speeds up to 53,000 RPM, ideal for high-performance machinery.

The open design and phenolic cage ensure durability and easy maintenance. Preload and matched arrangement options enhance stability and precision in demanding setups.

Perfect for applications like machine tool spindles or high-speed robotics, where accuracy and reliability are key. Compliant with P4 tolerance standards for consistent performance.

Weighing just 0.078kg, it’s lightweight yet robust, suitable for both industrial and precision engineering needs. Works well in temperatures from -30°C to 110°C.

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Product Parameters

  • Part Number 71907 CB/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 35 mm
  • Bore Dia Tolerance -0.006mm to 0
  • Outer Dia 55 mm
  • Outer Dia Tolerance -0.007mm to 0
  • Width 10 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 3.969 mm
  • Ball Qty 25
  • Contact Angle 15°
  • 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 Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 1141 lbf
  • Static Radial Load 821 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 53000 rpm
  • Weight 0.078 kg
  • Price（$） 256.239
Super Precision Angular Contact Ball Bearings 71907 CB/P4A dimension drawing
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Features

Why Choose 71907 CB/P4A Bearing for Precision Tasks?

71907 CB/P4A Bearing features a 15° contact angle, ideal for handling combined radial and axial loads with high precision.
Its chrome steel construction ensures durability, while the phenolic cage minimises friction for smoother operation.

With a dynamic radial load capacity of 1141 lbf, it performs reliably in demanding applications.
The P4 tolerance class guarantees exceptional accuracy, making it suitable for high-speed machinery.

Designed for speeds up to 53,000 rpm, it balances performance and longevity.
The open design allows for easy lubrication, ensuring consistent operation over time.

Application

How Does 71907 CB/P4A Bearing Improve Performance?
71907 CB/P4A Bearing is widely used in high-speed machine tools, where its 15° contact angle ensures precise radial and axial load handling. The open design and phenolic cage make it suitable for applications requiring minimal friction and heat generation.

In robotics, 71907 CB/P4A Bearing supports articulated arms and joints, providing smooth movement and durability. Its P4 tolerance class guarantees consistent performance in automated systems where accuracy is key.

For medical imaging devices, 71907 CB/P4A Bearing’s chrome steel construction offers reliability and long service life. The lubricated design ensures quiet operation, essential for sensitive diagnostic equipment.

Automotive applications like electric vehicle motors benefit from 71907 CB/P4A Bearing’s high-speed capabilities. Its matched arrangement option allows for custom configurations to meet specific load requirements.

In aerospace systems, 71907 CB/P4A Bearing handles both radial and thrust loads efficiently. The lightweight design and high-speed rating make it ideal for compact, high-performance environments.

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