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Super Precision Angular Contact Ball Bearings 71804 ACD/P4DGA

Super Precision Angular Contact Ball Bearings 71804 ACD/P4DGA

The 71804 ACD/P4DGA is a super precision angular contact ball bearing with a 20mm bore and 32mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 1332 lbf and reaches speeds of 121,000 RPM, making it suitable for high-performance applications.

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, while the open seal simplifies maintenance.

This bearing excels in precision tasks, such as spindle drives or CNC machinery, where accuracy is key. It operates in temperatures from -30°C to 110°C and comes pre-lubricated for immediate use.

Weighing just 0.036kg, it’s lightweight yet robust. Compliant with P4 tolerance standards, it’s interchangeable with SKF models for easy replacements. Ideal for demanding industrial or aerospace applications.

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Product Parameters

  • Part Number 71804 ACD/P4DGA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 20 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 32 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 14 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 3.175 mm
  • Ball Qty 17
  • 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 Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 1332 lbf
  • Static Radial Load 1125 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 121000 rpm
  • Weight 0.036 kg
Super Precision Angular Contact Ball Bearings 71804 ACD/P4DGA dimension drawing
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Features

Performance Features of 71804 ACD/P4DGA Bearing

71804 ACD/P4DGA Bearing is crafted with chrome steel rings and balls, ensuring durability and smooth operation.
Its 25° contact angle and universal matching design provide excellent load distribution for precision tasks.
The phenolic cage maintains ball alignment, reducing friction and enhancing performance.
With a maximum speed of 121,000 rpm, it is ideal for high-speed applications.

Application

Key Fields for 71804 ACD/P4DGA Bearing
71804 ACD/P4DGA Bearing is widely used in high-speed machine tools, where its precision angular contact design ensures accurate spindle rotation. The phenolic cage reduces friction, making it suitable for continuous operation.

In robotics, 71804 ACD/P4DGA Bearing supports articulated arms, providing smooth movement and reliable performance. Its universal matching feature allows for flexible arrangement in compact spaces.

For aerospace applications, 71804 ACD/P4DGA Bearing handles both radial and axial loads in navigation systems. The P4 tolerance class ensures consistent performance under demanding conditions.

Medical imaging devices benefit from 71804 ACD/P4DGA Bearing’s low vibration and high-speed capabilities. The chrome steel construction offers durability in sterile environments.

In automotive testing equipment, 71804 ACD/P4DGA Bearing’s extra light preload enhances measurement accuracy. Its lubricated design ensures long service life even with frequent use.

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