+86 15806631151 [email protected]
TFL BEARINGS
REQUEST A QUOTE
Super Precision Angular Contact Ball Bearings 71801 ACD/P4

Super Precision Angular Contact Ball Bearings 71801 ACD/P4

The 71801 ACD/P4 is a super precision angular contact ball bearing with a compact size of 12mm by 21mm by 5mm, made from high-quality chrome steel. It features a 25° contact angle for handling combined radial and thrust loads efficiently.

With a dynamic radial load capacity of 439 lbf and a maximum speed of 95,000 RPM, it performs smoothly in high-speed applications. The phenolic cage ensures quiet operation and durability.

Its open design allows for easy lubrication, while the P4 tolerance class guarantees precise performance. Ideal for precision machinery like spindles or small motors where accuracy is key.

Weighing just 0.006kg, it’s lightweight yet robust. Suitable for temperatures from -30°C to 110°C, making it versatile for various industrial uses.

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

Product Parameters

  • Part Number 71801 ACD/P4
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 12 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 21 mm
  • Outer Dia Tolerance -0.005mm to 0
  • Width 5 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 2.381 mm
  • Ball Qty 14
  • Contact Angle 25°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 439 lbf
  • Static Radial Load 252 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 95000 rpm
  • Weight 0.006 kg
  • Price（$） 133.47
Super Precision Angular Contact Ball Bearings 71801 ACD/P4 dimension drawing
Download DWG Download PDF

Features

Why Choose 71801 ACD/P4 Bearing for Precision Tasks?

71801 ACD/P4 Bearing features a 25° contact angle, optimised for high-precision angular contact applications.
Its chrome steel construction ensures durability and consistent performance under dynamic radial loads up to 439 lbf.

The phenolic cage maintains ball alignment, reducing friction and enhancing speed capabilities up to 95,000 rpm.
With a P4 tolerance class, it delivers exceptional accuracy for demanding industrial or instrumentation use.

Its compact 12 mm×21 mm×5 mm size makes it ideal for space-constrained applications without compromising performance.
The open design allows for easy lubrication, ensuring smooth operation across its full temperature range.

Application

Common Applications of 71801 ACD/P4 Bearing
71801 ACD/P4 Bearing is widely used in high-speed machine tools, where its precision angular contact design ensures accurate spindle rotation. The open seal type allows for efficient lubrication, making it suitable for continuous operation.

In robotics, 71801 ACD/P4 Bearing supports delicate movements in robotic arms, thanks to its 25° contact angle and P4 tolerance class. Its compact size and lightweight design make it ideal for space-constrained applications.

For medical imaging devices, 71801 ACD/P4 Bearing’s phenolic cage and chrome steel construction provide smooth, quiet operation. The high-speed capability ensures reliable performance in critical diagnostic equipment.

Automotive applications like electric vehicle motors benefit from 71801 ACD/P4 Bearing’s ability to handle both radial and angular loads. Its durability and precision contribute to longer component life in demanding conditions.

In consumer electronics, 71801 ACD/P4 Bearing is often found in high-performance cooling fans, where its low friction and high-speed tolerance enhance efficiency. The metric sizing ensures compatibility with a variety of compact devices.

Q&A

SEND INQUIRY