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Super Precision Angular Contact Ball Bearings 71909 CD/P4AQBCC

Super Precision Angular Contact Ball Bearings 71909 CD/P4AQBCC

The 71909 CD/P4AQBCC is a super precision angular contact ball bearing with a 45mm bore and 68mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 7605 lbf and spins smoothly at speeds up to 41,000 RPM.

Its 15° contact angle and matched set of four bearings provide stable performance under angular loads. The phenolic cage ensures quiet operation and long service life.

This bearing is lubricated for easy maintenance and works in temperatures from -30°C to 110°C. Ideal for high-precision applications like machine tool spindles or robotics.

Weighing 0.52kg, it’s a robust yet lightweight choice. Compliant with P4A tolerance class for exceptional accuracy. Interchangeable with SKF bearings for convenient replacements.

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Product Parameters

  • Part Number 71909 CD/P4AQBCC
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 45 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 68 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 48 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 6.35 mm
  • Ball Qty 23
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement 4 bearings <<>> QBC
  • Number Of Bearings In Matched Set 4
  • Universal Matching Bearing No
  • Preload Moderate / Class C
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 7605 lbf
  • Static Radial Load 8550 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 41000 rpm
  • Weight 0.52 kg
Super Precision Angular Contact Ball Bearings 71909 CD/P4AQBCC dimension drawing
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Features

Why Choose 71909 CD/P4AQBCC Bearing for Precision Tasks?

71909 CD/P4AQBCC Bearing features a 15° contact angle, optimised for high-precision angular contact applications.
The chrome steel construction ensures durability and reliable performance under dynamic radial loads up to 7605 lbf.

Its phenolic cage maintains ball alignment, reducing friction and enhancing operational smoothness.
With a maximum speed of 41,000 rpm, it excels in high-speed scenarios while maintaining precision.

The matched arrangement of four bearings ensures consistent performance in demanding setups.
Moderate preload (Class C) further enhances stability, making it ideal for precision machinery.

71909 CD/P4AQBCC Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its open design allows for easy lubrication, ensuring long service life with minimal maintenance.

Application

Key Fields for 71909 CD/P4AQBCC Bearing
71909 CD/P4AQBCC Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The moderate preload and P4A tolerance class make it suitable for applications demanding tight control.

In robotics, 71909 CD/P4AQBCC Bearing supports articulated arms, providing smooth movement and reliability. Its phenolic cage reduces friction, enhancing performance in automated systems.

For medical imaging devices, 71909 CD/P4AQBCC Bearing offers consistent operation due to its chrome steel construction. The open design allows for easy lubrication, maintaining efficiency in critical healthcare equipment.

Automotive applications like electric vehicle motors benefit from 71909 CD/P4AQBCC Bearing’s high-speed capability. The matched arrangement of four bearings ensures balanced load distribution for prolonged use.

In consumer electronics, 71909 CD/P4AQBCC Bearing can be found in precision printers, where its quiet operation and durability are key. The metric sizing ensures compatibility with various compact devices.

Q&A

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