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Super Precision Angular Contact Ball Bearings 71909 CD/HCP4ADBA

Super Precision Angular Contact Ball Bearings 71909 CD/HCP4ADBA

The 71909 CD/HCP4ADBA is a super precision angular contact ball bearing with a 45mm bore and 68mm outer diameter, designed for high-speed applications. Its 15° contact angle and ceramic balls ensure smooth operation under radial loads up to 4770 lbf.

The open design and phenolic cage allow for easy lubrication, while the P4A tolerance class guarantees consistent performance. It can handle speeds up to 41,000 RPM, making it suitable for demanding environments.

This matched set of two bearings (DB arrangement) offers extra light preload for precise alignment. Ideal for machine tools or spindle drives where accuracy and speed are crucial.

Weighing just 0.24kg, it operates efficiently in temperatures from -30°C to 110°C. Compatible with SKF bearings for easy replacement.

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Product Parameters

  • Part Number 71909 CD/HCP4ADBA
  • 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 24 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 2 bearings <> DB
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • Preload Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 4770 lbf
  • Static Radial Load 4275 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 41000 rpm
  • Weight 0.24 kg
Super Precision Angular Contact Ball Bearings 71909 CD/HCP4ADBA dimension drawing
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Features

Why Choose 71909 CD/HCP4ADBA Bearing for Precision Tasks?

71909 CD/HCP4ADBA Bearing features a 15° contact angle, ideal for high-precision angular contact applications.
Its ceramic balls and chrome steel rings ensure smooth operation and reduced friction.

The phenolic cage maintains ball alignment, enhancing durability and performance.
With a maximum speed of 41,000 rpm, it excels in high-speed environments.

71909 CD/HCP4ADBA Bearing’s extra light preload (Class A) ensures precise movement and minimal vibration.
Its matched arrangement of two bearings (DB) provides balanced load distribution.

The dynamic radial load capacity of 4770 lbf makes it reliable for demanding tasks.
Operating between -30°C to 110°C, it performs well in varied temperature conditions.

Application

Industrial Uses of 71909 CD/HCP4ADBA Bearing
71909 CD/HCP4ADBA Bearing is commonly used in high-speed machine tools, where its precision angular contact design ensures accurate spindle rotation. The ceramic balls reduce friction, making it ideal for applications demanding smooth operation.

In robotics, 71909 CD/HCP4ADBA Bearing supports articulated arms, providing stability and load handling in dynamic movements. The matched arrangement of two bearings enhances performance in tight spaces.

For aerospace components, 71909 CD/HCP4ADBA Bearing’s phenolic cage and chrome steel rings offer durability under varying temperatures. Its extra-light preload makes it suitable for sensitive instrumentation.

What Makes 71909 CD/HCP4ADBA Bearing a Preferred Choice?
71909 CD/HCP4ADBA Bearing is favoured in medical imaging devices due to its low vibration and high-speed capabilities. The open design allows for easy lubrication, extending service life.

In automotive testing equipment, 71909 CD/HCP4ADBA Bearing handles radial and angular loads with precision. The P4A tolerance class ensures consistent performance in demanding conditions.

Q&A

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