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Super Precision Angular Contact Ball Bearings 71909 ACD/P4ADGB

Super Precision Angular Contact Ball Bearings 71909 ACD/P4ADGB

The 71909 ACD/P4ADGB is a super precision angular contact ball bearing with a 45mm bore and 68mm outer diameter, crafted from durable chrome steel. It handles both radial and angular loads, with a dynamic radial load capacity of 4478 lbf.

Its 25° contact angle and universal matching design allow flexible arrangements like back-to-back or face-to-face setups. The phenolic cage ensures smooth operation at high speeds up to 41,000 RPM.

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 applications.

Ideal for high-speed machinery like spindles or CNC equipment, where accuracy and reliability are crucial. The matched set of two bearings offers versatile mounting options for various load requirements.

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Product Parameters

  • Part Number 71909 ACD/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 25°
  • 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 4478 lbf
  • Static Radial Load 4050 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 41000 rpm
  • Weight 0.26 kg
Super Precision Angular Contact Ball Bearings 71909 ACD/P4ADGB dimension drawing
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Features

Performance Features of 71909 ACD/P4ADGB Bearing

71909 ACD/P4ADGB Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure durability and smooth operation under high-speed conditions.

The phenolic cage maintains ball alignment, reducing friction and enhancing performance.
With a maximum speed of 41,000 rpm, it is suitable for precision tasks requiring high rotational accuracy.

71909 ACD/P4ADGB Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its universal matching capability allows flexible arrangement options, including back-to-back and face-to-face configurations.

The light preload (Class B) ensures minimal vibration and noise during operation.
This makes it ideal for applications where precision and reliability are essential.

Application

Common Applications of 71909 ACD/P4ADGB Bearing
71909 ACD/P4ADGB Bearing is widely used in machine tools, where its super precision and angular contact design ensure smooth operation during high-speed rotations. The universal matching feature allows for flexible arrangements, making it suitable for complex setups.

In automotive applications, 71909 ACD/P4ADGB Bearing supports gearboxes and electric motors, providing reliable performance under radial and axial loads. Its phenolic cage offers durability and reduces friction, enhancing efficiency.

For automation systems, 71909 ACD/P4ADGB Bearing is ideal for robotic arms and CNC machines, where precision and low vibration are key. The P4A tolerance class ensures consistent accuracy in demanding environments.

Medical imaging devices benefit from 71909 ACD/P4ADGB Bearing’s high-speed capabilities and low noise operation. The chrome steel construction ensures long-lasting performance in critical applications.

Q&A

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