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Super Precision Angular Contact Ball Bearings 71909 CDTP/HCP4B

Super Precision Angular Contact Ball Bearings 71909 CDTP/HCP4B

The 71909 CDTP/HCP4B is a super precision angular contact ball bearing with a 45mm bore and 68mm outer diameter, crafted from chrome steel for durability. It handles radial loads up to 2925 lbf and reaches speeds of 24,000 RPM, thanks to its ceramic balls and phenolic cage.

With a 15° contact angle, it efficiently manages combined radial and axial loads. The open design allows for easy lubrication, ensuring smooth operation in demanding conditions.

Its P4 tolerance class (ABEC-7) guarantees high precision, making it ideal for applications like machine tool spindles or high-speed robotics. The bearing operates reliably in temperatures from -30°C to 110°C.

Weighing just 0.12kg, it’s lightweight yet robust. Available in matched sets for paired mounting, it’s interchangeable with SKF bearings for easy replacements. Perfect for precision engineering where accuracy and speed are crucial.

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Product Parameters

  • Part Number 71909 CDTP/HCP4B
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 45 mm
  • Bore Dia Tolerance -0.006mm to 0
  • Outer Dia 68 mm
  • Outer Dia Tolerance -0.007mm to 0
  • Width 12 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 6.35 mm
  • Ball Qty 23
  • 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 Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 2925 lbf
  • Static Radial Load 2138 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 24000 rpm
  • Weight 0.12 kg
  • Price（$） 324.396
Super Precision Angular Contact Ball Bearings 71909 CDTP/HCP4B dimension drawing
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Features

Engineered for Precision: 71909 CDTP/HCP4B Bearing

71909 CDTP/HCP4B Bearing features a 15° contact angle, optimised for high-precision angular contact applications.
The ceramic balls and chrome steel rings ensure smooth operation, even at high speeds up to 24,000 rpm.

Its phenolic cage maintains ball alignment, reducing friction and enhancing durability.
With a dynamic radial load capacity of 2925 lbf, it handles demanding tasks reliably.

The P4 tolerance class guarantees exceptional accuracy, making it ideal for precision machinery.
Lubrication is pre-applied, ensuring ready-to-use convenience and long-lasting performance.

Application

Industrial Uses of 71909 CDTP/HCP4B Bearing
71909 CDTP/HCP4B Bearing is commonly used in high-speed machine tools, where its precision and ceramic balls reduce friction for smoother operation. The open design and phenolic cage make it suitable for environments requiring frequent lubrication.

In automotive applications, 71909 CDTP/HCP4B Bearing supports components like electric motors and transmissions, thanks to its angular contact design. The P4 tolerance ensures reliable performance even under demanding conditions.

For robotics, 71909 CDTP/HCP4B Bearing’s matched arrangement and preload options enhance accuracy in robotic arms. Its lightweight construction and high-speed capability make it ideal for automated systems.

Medical imaging devices benefit from 71909 CDTP/HCP4B Bearing’s low vibration and high precision. The ceramic balls and chrome steel rings provide durability in sensitive equipment.

In consumer electronics, 71909 CDTP/HCP4B Bearing is found in high-performance fans and printers. Its compact size and reliable operation ensure long service life in everyday devices.

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