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Super Precision Angular Contact Ball Bearings 71809 ACDGA/P4

Super Precision Angular Contact Ball Bearings 71809 ACDGA/P4

The 71809 ACDGA/P4 is a super precision angular contact ball bearing with a 45mm bore and 58mm outer diameter, crafted from durable chrome steel. Its slim 7mm width makes it ideal for compact spaces while maintaining high performance.

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

The phenolic cage reduces friction and wear, ensuring long service life. Its open design allows easy lubrication, and it operates reliably in temperatures from -30°C to 110°C.

This bearing is interchangeable with SKF models and comes in a universal matching set for flexible arrangements. Perfect for precision machinery like spindles or robotics where accuracy and speed are key. Weighing just 0.039kg, it’s lightweight yet robust.

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Product Parameters

  • Part Number 71809 ACDGA/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 Extra light / Class A
  • 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
  • Price（$） 59.967
Super Precision Angular Contact Ball Bearings 71809 ACDGA/P4 dimension drawing
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Features

Performance Features of 71809 ACDGA/P4 Bearing

71809 ACDGA/P4 Bearing is designed for precision applications with a 25° contact angle, ensuring optimal load distribution.
Its chrome steel construction provides durability and resistance to wear in high-speed operations.

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

71809 ACDGA/P4 Bearing handles dynamic radial loads up to 1040 lbf, making it suitable for demanding tasks.
Its extra light preload ensures minimal vibration and noise during use.

The open design allows for easy lubrication, extending the bearing’s service life.
It operates effectively in temperatures ranging from -30°C to 110°C.

Application

How Does 71809 ACDGA/P4 Bearing Improve Performance?
71809 ACDGA/P4 Bearing is widely used in high-speed machine tools, where its precision angular contact design ensures accurate spindle rotation. The extra light preload helps maintain stability during rapid movements.

In automotive applications, 71809 ACDGA/P4 Bearing supports components like electric power steering systems, providing smooth operation under angular loads. Its phenolic cage reduces friction, enhancing efficiency in demanding conditions.

For robotics, 71809 ACDGA/P4 Bearing is ideal for articulated arms, offering reliable performance in repetitive motion tasks. The P4 tolerance class ensures consistent precision, crucial for automated processes.

Medical imaging devices benefit from 71809 ACDGA/P4 Bearing’s low-noise operation, essential for sensitive diagnostic equipment. The chrome steel construction also ensures durability in sterile environments.

Q&A

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