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Super Precision Angular Contact Ball Bearings 71804 ACD/HCP4DGB

Super Precision Angular Contact Ball Bearings 71804 ACD/HCP4DGB

The 71804 ACD/HCP4DGB is a super precision angular contact ball bearing, measuring 20mm by 32mm by 14mm. Made from chrome steel with ceramic balls, it offers smooth operation and durability.

With a 25° contact angle, it handles both radial and axial loads efficiently. It supports speeds up to 121,000 RPM and works in temperatures from -30°C to 110°C.

The phenolic cage reduces friction, while the open design allows easy lubrication. It comes in a matched set of two, suitable for universal mounting arrangements.

Ideal for high-speed applications like machine tool spindles or precision instruments. Its lightweight design (0.034kg) ensures minimal inertia for quick response.

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Product Parameters

  • Part Number 71804 ACD/HCP4DGB
  • 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 Light / Class B
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • 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 0.034 kg
Super Precision Angular Contact Ball Bearings 71804 ACD/HCP4DGB dimension drawing
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Features

Performance Features of 71804 ACD/HCP4DGB Bearing

71804 ACD/HCP4DGB Bearing features a 25° contact angle, optimised for high-precision angular contact applications.
Its ceramic balls and chrome steel rings ensure smooth operation at speeds up to 121,000 rpm.

The phenolic cage provides excellent heat resistance, maintaining stability in temperatures from -30°C to 110°C.
With a dynamic radial load capacity of 1332 lbf, it handles demanding tasks with ease.

Designed for universal matching, 71804 ACD/HCP4DGB Bearing supports back-to-back, face-to-face, or tandem arrangements.
Its light preload (Class B) ensures consistent performance in precision machinery.

The open design allows for easy lubrication, extending maintenance intervals.
Weighing just 0.034 kg, it offers a balance of strength and lightweight efficiency.

Application

Key Fields for 71804 ACD/HCP4DGB Bearing
71804 ACD/HCP4DGB Bearing is commonly used in high-speed machine tools, where its precision angular contact design ensures accurate spindle rotation. The ceramic balls reduce friction, making it suitable for applications demanding smooth operation.

Where Is 71804 ACD/HCP4DGB Bearing Used?
In robotics, 71804 ACD/HCP4DGB Bearing supports articulated arms, providing stability and precision in repetitive movements. Its light preload and universal matching make it adaptable to various configurations.

Optimized for Performance: 71804 ACD/HCP4DGB Bearing
For dental drills and other medical devices, 71804 ACD/HCP4DGB Bearing offers reliable performance due to its phenolic cage and chrome steel rings. The high-speed capability ensures consistent operation in critical applications.

Automotive vs Aerospace: Applications of 71804 ACD/HCP4DGB Bearing
In automotive systems, 71804 ACD/HCP4DGB Bearing is found in gearboxes, handling angular loads efficiently. Meanwhile, aerospace applications benefit from its lightweight design and high-speed tolerance.

Q&A

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