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Super Precision Angular Contact Ball Bearings 71909 CD/P4ADGB

Super Precision Angular Contact Ball Bearings 71909 CD/P4ADGB

The 71909 CD/P4ADGB 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 4770 lbf and reaches speeds of 41,000 RPM, making it suitable for high-performance applications.

Its 15° contact angle and universal matching design allow flexible arrangements like back-to-back or face-to-face setups. The phenolic cage ensures smooth operation and reduces friction, even at high speeds.

This bearing comes pre-lubricated and operates efficiently in temperatures from -30°C to 110°C. Its P4A tolerance class guarantees exceptional precision for demanding tasks.

Ideal for machine tools or precision spindles, this lightweight 0.26kg unit is interchangeable with SKF bearings. The set includes two matched bearings for versatile installation options.

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Product Parameters

  • Part Number 71909 CD/P4ADGB
  • 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 Universal matching
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Light / Class B
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • 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 0.26 kg
  • Price（$） 175.86
Super Precision Angular Contact Ball Bearings 71909 CD/P4ADGB dimension drawing
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Features

Performance Features of 71909 CD/P4ADGB Bearing

71909 CD/P4ADGB Bearing is designed with a 15° contact angle, offering precise angular contact for demanding applications.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction for smoother operation.

The bearing’s dynamic radial load capacity reaches 4770 lbf, making it suitable for high-performance machinery.
With a maximum speed of 41,000 rpm, it maintains reliability even under intense operational conditions.

71909 CD/P4ADGB Bearing is lubricated for reduced wear and extended service life.
Its universal matching design allows flexible arrangement options, including back-to-back and face-to-face configurations.

The P4A tolerance class ensures high precision, making it ideal for applications requiring tight tolerances.
Its lightweight phenolic cage contributes to lower noise levels during high-speed operation.

Application

Key Fields for 71909 CD/P4ADGB Bearing
71909 CD/P4ADGB Bearing is widely used in high-speed machine tools, where its precision angular contact design ensures accurate spindle performance. The light preload and universal matching make it adaptable for various configurations.

In robotics, 71909 CD/P4ADGB Bearing supports articulated arms, providing smooth motion and low friction. Its phenolic cage material helps reduce weight while maintaining stability.

For medical imaging devices, 71909 CD/P4ADGB Bearing offers reliable operation due to its chrome steel construction. The P4A tolerance class ensures consistent performance in critical applications.

Automotive applications like electric vehicle motors benefit from 71909 CD/P4ADGB Bearing’s high-speed capability. The open design allows for efficient lubrication, extending service life.

In aerospace systems, 71909 CD/P4ADGB Bearing handles both radial and axial loads with ease. Its temperature range makes it suitable for varying operational conditions.

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