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Super Precision Angular Contact Ball Bearings 71904 CD/P4ADBA

Super Precision Angular Contact Ball Bearings 71904 CD/P4ADBA

The 71904 CD/P4ADBA is a super precision angular contact ball bearing measuring 20mm by 37mm by 18mm, crafted from durable chrome steel. It features a 15° contact angle and comes in a matched pair for balanced performance.

This bearing handles radial loads up to 2194 lbf and spins smoothly at speeds up to 80,000 RPM. Its phenolic cage ensures quiet operation and long service life, even in demanding conditions.

The open design allows for easy lubrication, while the extra-light preload (Class A) ensures minimal friction. Ideal for high-speed applications like spindles or precision tools where accuracy is key.

With a temperature range of -30°C to 110°C, it’s versatile for various environments. Weighing just 0.07kg, it’s lightweight yet robust. Compliant with P4A tolerance standards for reliable performance.

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Product Parameters

  • Part Number 71904 CD/P4ADBA
  • 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 15°
  • 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 Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 2194 lbf
  • Static Radial Load 1440 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 80000 rpm
  • Weight 0.07 kg
Super Precision Angular Contact Ball Bearings 71904 CD/P4ADBA dimension drawing
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Features

Performance Features of 71904 CD/P4ADBA Bearing

71904 CD/P4ADBA Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
The chrome steel rings and balls enhance durability, while the phenolic cage ensures smooth operation at high speeds.

With a dynamic radial load capacity of 2194 lbf, it handles demanding conditions reliably.
Its extra light preload (Class A) reduces friction, improving efficiency in precision tasks.

The matched arrangement of two bearings (DB) provides stability and balanced performance.
71904 CD/P4ADBA Bearing operates smoothly at speeds up to 80,000 rpm, making it ideal for high-speed applications.

Its open design allows for easy lubrication, maintaining performance in varied conditions.
The P4A tolerance class ensures precision, meeting strict industry standards.

Application

Industrial Uses of 71904 CD/P4ADBA Bearing
71904 CD/P4ADBA Bearing is commonly 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 automotive applications, 71904 CD/P4ADBA Bearing supports gearbox systems, providing smooth performance under radial and axial loads. Its extra-light preload enhances efficiency in high-speed driving conditions.

For robotics, 71904 CD/P4ADBA Bearing is ideal for articulated arms, offering reliable movement with minimal vibration. The matched arrangement of two bearings improves stability in dynamic applications.

Medical imaging devices benefit from 71904 CD/P4ADBA Bearing’s high precision, ensuring consistent performance in sensitive equipment. The chrome steel construction adds durability for long-term use.

In consumer electronics, 71904 CD/P4ADBA Bearing can be found in high-performance fans, where its low noise and smooth operation are key advantages. The open design allows for easy maintenance in compact spaces.

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