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Super Precision Angular Contact Ball Bearings 71809 ACD/P4DGB

Super Precision Angular Contact Ball Bearings 71809 ACD/P4DGB

The 71809 ACD/P4DGB is a super precision angular contact ball bearing with a 45mm bore and 58mm outer diameter, crafted from durable chrome steel. It features a 25° contact angle and is designed for high-speed applications, reaching up to 46,000 RPM.

This bearing handles radial loads up to 1667 lbf and comes preloaded for smooth operation. Its universal matching design allows flexible arrangements like back-to-back or face-to-face, making it versatile for various setups.

The open seal type ensures easy lubrication, while the phenolic cage enhances durability. Ideal for precision machinery like spindles or CNC equipment where accuracy and speed are crucial.

Weighing just 0.078kg, it’s lightweight yet robust. Compliant with P4 tolerance standards, it’s a reliable choice for demanding applications.

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Product Parameters

  • Part Number 71809 ACD/P4DGB
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 45 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 58 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 14 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 3.175 mm
  • Ball Qty 31
  • Contact Angle 25°
  • Tolerance Class P4
  • 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 1667 lbf
  • Static Radial Load 2250 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 46000 rpm
  • Weight 0.078 kg
Super Precision Angular Contact Ball Bearings 71809 ACD/P4DGB dimension drawing
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Features

Performance Features of 71809 ACD/P4DGB Bearing

71809 ACD/P4DGB Bearing is crafted with chrome steel rings and balls, ensuring durability and high performance.
Its 25° contact angle allows it to handle both radial and axial loads efficiently.

The phenolic cage maintains ball alignment, reducing friction and noise during operation.
With a maximum speed of 46,000 rpm, it is suitable for high-speed applications.

71809 ACD/P4DGB Bearing operates in temperatures from -30°C to 110°C, adapting to various environments.
Its universal matching design offers flexibility in back-to-back, face-to-face, or tandem arrangements.

The light preload ensures smooth rotation, enhancing precision in demanding tasks.
Its P4 tolerance class guarantees consistent performance and reliability.

Application

Industrial Uses of 71809 ACD/P4DGB Bearing
71809 ACD/P4DGB Bearing is commonly used in high-speed machine tools, where its precision and light preload ensure smooth operation. The universal matching feature allows flexible arrangements, making it suitable for complex setups.

Where Is 71809 ACD/P4DGB Bearing Used?
You’ll often find 71809 ACD/P4DGB Bearing in automotive transmissions, where its angular contact design handles combined loads efficiently. The phenolic cage reduces friction, enhancing performance in high-speed applications.

Optimized for Performance: 71809 ACD/P4DGB Bearing
71809 ACD/P4DGB Bearing excels in robotics, particularly in articulated arms requiring precise movement. Its P4 tolerance class guarantees accuracy, even under demanding conditions.

Automotive vs Aerospace: Applications of 71809 ACD/P4DGB Bearing
In automotive systems, 71809 ACD/P4DGB Bearing supports gearboxes, while in aerospace, it’s used in control mechanisms. The chrome steel construction ensures durability in both environments.

Perfect Fit for Automation: 71809 ACD/P4DGB Bearing
71809 ACD/P4DGB Bearing is ideal for automated production lines, where its high-speed capability and reliability are key. The lubricated design minimises maintenance needs.

Q&A

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