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Super Precision Angular Contact Ball Bearings S71905 CD/P4A

Super Precision Angular Contact Ball Bearings S71905 CD/P4A

The S71905 CD/P4A is a super precision angular contact ball bearing with a 25mm bore and 42mm outer diameter, designed for high-speed applications. It features a 15° contact angle and comes sealed for protection, with chrome steel rings and phenolic cage for durability.

This bearing handles radial loads up to 1521 lbf and spins smoothly at speeds up to 38,000 RPM. Its P4 tolerance class ensures precise performance, while the lubricated design reduces maintenance needs.

The matched arrangement option allows for paired use, improving stability in demanding setups. Ideal for precision machinery like spindles or dental equipment where accuracy and speed matter.

Weighing just 43g, it’s lightweight yet robust, operating in temperatures from -30°C to 110°C. Interchangeable with SKF bearings, it offers reliable performance in critical applications.

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Product Parameters

  • Part Number S71905 CD/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 25 mm
  • Bore Dia Tolerance -0.005mm to 0
  • Outer Dia 42 mm
  • Outer Dia Tolerance -0.006mm to 0
  • Width 9 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 4.762 mm
  • Ball Qty 18
  • Contact Angle 15°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement Available
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 1521 lbf
  • Static Radial Load 900 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 38000 rpm
  • Weight 0.043 kg
  • Price（$） 194.895
Super Precision Angular Contact Ball Bearings S71905 CD/P4A dimension drawing
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Features

Performance Features of S71905 CD/P4A Bearing

S71905 CD/P4A Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls enhance durability, while the phenolic cage ensures smooth operation at high speeds.

With a dynamic radial load capacity of 1521 lbf, S71905 CD/P4A Bearing handles demanding tasks reliably.
The P4 tolerance class guarantees precision, making it suitable for high-accuracy machinery.

S71905 CD/P4A Bearing operates efficiently in temperatures ranging from -30° to 110°C.
Its sealed design and lubrication reduce maintenance needs, ensuring long-term performance.

Application

How Does S71905 CD/P4A Bearing Improve Performance?
S71905 CD/P4A Bearing is commonly used in high-speed machine tools, where its 15° contact angle ensures precise rotational accuracy. The sealed design helps maintain lubrication, reducing maintenance needs in demanding environments.

In robotics, S71905 CD/P4A Bearing supports smooth motion in articulated arms, thanks to its phenolic cage and chrome steel construction. Its P4 tolerance class makes it ideal for applications requiring minimal vibration.

For medical imaging devices, S71905 CD/P4A Bearing provides reliable performance due to its consistent load handling and low friction. The lubricated design ensures quiet operation, which is essential in sensitive medical settings.

Automotive applications like electric motor systems benefit from S71905 CD/P4A Bearing’s high-speed capabilities and angular contact design. Its metric sizing ensures compatibility with a variety of European and Asian vehicle components.

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