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Super Precision Angular Contact Ball Bearings 71904 FE/HCP4ADT

Super Precision Angular Contact Ball Bearings 71904 FE/HCP4ADT

The 71904 FE/HCP4ADT is a super precision angular contact ball bearing, measuring 20mm by 37mm by 18mm. Made from chrome steel with ceramic balls, it offers smooth operation and high-speed performance up to 100,500 RPM.

Its 18° contact angle and matched arrangement (2 bearings) provide excellent radial and axial load handling, with dynamic radial load capacity of 1784 lbf. The phenolic cage ensures durability and reduces friction.

Preloaded for precision, this bearing is ideal for applications requiring high accuracy, such as machine tools or spindle drives. It operates efficiently in temperatures from -30°C to 110°C.

Weighing just 0.064kg, it’s lightweight yet robust. Compliant with P4A tolerance class, it’s interchangeable with SKF bearings, making it a reliable choice for replacements.

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Product Parameters

  • Part Number 71904 FE/HCP4ADT
  • 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 14
  • Contact Angle 18°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement 2 bearings << DT
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 1784 lbf
  • Static Radial Load 1046 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 100500 rpm
  • Weight 0.064 kg
Super Precision Angular Contact Ball Bearings 71904 FE/HCP4ADT dimension drawing
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Features

Performance Features of 71904 FE/HCP4ADT Bearing

71904 FE/HCP4ADT Bearing is designed with a 18° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and ceramic balls enhance durability and reduce friction.

The phenolic cage ensures smooth operation, even at high speeds up to 100,500 rpm.
With a dynamic radial load capacity of 1784 lbf, it handles demanding tasks with ease.

71904 FE/HCP4ADT Bearing comes pre-lubricated, reducing maintenance needs and ensuring consistent performance.
Its precision P4A tolerance class guarantees reliable operation in high-precision machinery.

The matched arrangement of two bearings provides stability and balanced load distribution.
This makes 71904 FE/HCP4ADT Bearing suitable for applications requiring high-speed and precision.

Application

Common Applications of 71904 FE/HCP4ADT Bearing
71904 FE/HCP4ADT Bearing is widely used in high-speed machine tools, where its precision angular contact design ensures accurate spindle rotation. The ceramic balls reduce friction, making it ideal for applications demanding smooth operation.

In robotics, 71904 FE/HCP4ADT Bearing supports articulated arms, providing stability and precision in repetitive movements. The matched arrangement with preload enhances performance in dynamic load conditions.

For dental drills and surgical tools, 71904 FE/HCP4ADT Bearing’s phenolic cage offers quiet operation and resistance to sterilization processes. Its P4A tolerance class guarantees consistent performance in critical medical environments.

Automotive electric motors benefit from 71904 FE/HCP4ADT Bearing’s ability to handle combined radial and axial loads. The lubricated design ensures longevity even in high-speed scenarios.

In 3D printers, 71904 FE/HCP4ADT Bearing’s low friction and high-speed capability contribute to precise layer deposition. The open seal design allows for easy maintenance in dusty workshop conditions.

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