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Super Precision Angular Contact Ball Bearings 71809 ACDGB/P4

Super Precision Angular Contact Ball Bearings 71809 ACDGB/P4

The 71809 ACDGB/P4 is a super precision angular contact ball bearing with a 45mm bore and 58mm outer diameter, crafted from high-quality chrome steel. Its slim 7mm width makes it a compact yet robust choice for precision applications.

With a 25° contact angle, it handles both radial and axial loads efficiently, supporting up to 1040 lbf dynamically. It spins smoothly at speeds up to 46,000 RPM, ideal for high-performance machinery.

The phenolic cage ensures durability and reduces friction, while the open design allows for easy lubrication. Its P4 tolerance class guarantees exceptional accuracy for demanding tasks.

This bearing is versatile, suitable for matched sets in back-to-back, face-to-face, or tandem arrangements. Perfect for CNC spindles or high-speed robotics where precision and reliability are key. Weighing just 0.039kg, it’s lightweight yet built to last.

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Product Parameters

  • Part Number 71809 ACDGB/P4
  • 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 7 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 No
  • Number Of Bearings In Matched Set 3
  • 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 1040 lbf
  • Static Radial Load 1125 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 46000 rpm
  • Weight 0.039 kg
Super Precision Angular Contact Ball Bearings 71809 ACDGB/P4 dimension drawing
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Features

Performance Features of 71809 ACDGB/P4 Bearing

71809 ACDGB/P4 Bearing is designed with a 25° contact angle, ideal for handling combined radial and axial loads.
Its chrome steel construction ensures durability and resistance to wear in high-speed applications.

The phenolic cage maintains ball alignment, reducing friction and enhancing smooth operation.
With a maximum speed of 46,000 rpm, it delivers reliable performance in precision tasks.

71809 ACDGB/P4 Bearing operates efficiently in temperatures ranging from -30°C to 110°C.
Its light preload design ensures consistent performance while minimising vibration.

The open seal type allows for easy lubrication, extending the bearing’s service life.
Its P4 tolerance class guarantees high precision and accuracy in demanding applications.

Application

Industrial Uses of 71809 ACDGB/P4 Bearing
71809 ACDGB/P4 Bearing is commonly used in high-speed machine spindles, where its precision angular contact design ensures accurate rotation. The light preload helps maintain stability during rapid movements.

In automotive applications, 71809 ACDGB/P4 Bearing supports components like turbochargers and transmissions, handling both radial and axial loads efficiently. Its phenolic cage reduces friction, enhancing performance in demanding conditions.

For robotics, 71809 ACDGB/P4 Bearing is ideal for articulated arms, offering smooth motion and durability. The P4 tolerance class ensures consistent performance in repetitive tasks.

Medical imaging devices benefit from 71809 ACDGB/P4 Bearing’s chrome steel construction, providing reliable operation in sensitive environments. The open design allows for easy lubrication, extending service life.

Q&A

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