+86 15806631151 [email protected]
TFL BEARINGS
REQUEST A QUOTE
Super Precision Angular Contact Ball Bearings 71904 ACD/P4ADBB

Super Precision Angular Contact Ball Bearings 71904 ACD/P4ADBB

The 71904 ACD/P4ADBB is a super precision angular contact ball bearing, measuring 20mm by 37mm by 18mm. Made from chrome steel with a phenolic cage, it’s designed for high-speed applications up to 100,500 RPM.

With a 25° contact angle and light preload, it handles radial loads up to 2106 lbf. The open design allows easy lubrication, ensuring smooth operation in temperatures from -30°C to 110°C.

This matched set of two bearings (DB arrangement) offers excellent stability for precision machinery. Ideal for spindle drives or high-precision tools where accuracy and speed are key.

Weighing just 0.07kg, it’s lightweight yet robust, meeting P4A tolerance standards for reliable performance. Interchangeable with SKF bearings for easy replacement.

Get A Free Quote
    Description Features Application Q&A Featured Products Our Process

Product Parameters

  • Part Number 71904 ACD/P4ADBB
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 20 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 37 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 18 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 4.762 mm
  • Ball Qty 15
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement 2 bearings <> DB
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • Preload Light / Class B
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 2106 lbf
  • Static Radial Load 1372 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 100500 rpm
  • Weight 0.07 kg
Super Precision Angular Contact Ball Bearings 71904 ACD/P4ADBB dimension drawing
Download DWG Download PDF

Features

Performance Features of 71904 ACD/P4ADBB Bearing

71904 ACD/P4ADBB Bearing is designed with a 25° contact angle, ideal for handling combined radial and axial loads.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction for smoother operation.

The matched arrangement of two bearings provides stability, making it suitable for high-precision applications.
With a maximum speed of 100,500 rpm, it delivers reliable performance in demanding conditions.

71904 ACD/P4ADBB Bearing’s light preload enhances precision, reducing vibration and noise.
Its dynamic radial load capacity of 2106 lbf ensures long-lasting performance under stress.

The open seal design allows for easy lubrication, maintaining optimal performance.
Operating within a temperature range of -30°C to 110°C, it adapts to various environments.

Application

Key Fields for 71904 ACD/P4ADBB Bearing
71904 ACD/P4ADBB Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate alignment and smooth operation. The light preload makes it suitable for applications requiring minimal friction and high rotational speeds.

In robotics, 71904 ACD/P4ADBB Bearing supports articulated arms and joints, providing stability and precision. The matched arrangement of two bearings enhances load distribution, making it reliable for repetitive movements.

For medical imaging devices, 71904 ACD/P4ADBB Bearing’s phenolic cage and chrome steel construction offer durability and quiet operation. Its P4A tolerance class ensures consistent performance in sensitive equipment.

Automotive applications like electric power steering systems benefit from 71904 ACD/P4ADBB Bearing’s high-speed capabilities. The 25° contact angle helps manage both radial and axial loads efficiently.

In aerospace components, 71904 ACD/P4ADBB Bearing’s lightweight design and high-speed tolerance make it a practical choice. The open seal allows for easy lubrication, extending service life in demanding conditions.

Q&A

SEND INQUIRY