+86 15806631151 [email protected]
TFL BEARINGS
REQUEST A QUOTE
Super Precision Angular Contact Ball Bearings 71944 ACD/HCP4A

Super Precision Angular Contact Ball Bearings 71944 ACD/HCP4A

The 71944 ACD/HCP4A is a super precision angular contact ball bearing with a 220mm bore and 300mm outer diameter, crafted from chrome steel for durability. Its 25° contact angle efficiently handles both radial and thrust loads, supporting up to 46800 lbf dynamically.

The ceramic balls and phenolic cage reduce friction, allowing smooth operation at speeds up to 6700 RPM. Open design and lubrication options make maintenance straightforward, while the P4 tolerance class ensures high accuracy.

This bearing is ideal for precision machinery like CNC spindles or high-performance motors, where reliable angular contact is essential. It operates well in temperatures from -30°C to 110°C.

Weighing 5.56kg, it’s robust yet manageable for its size. Interchangeable with SKF bearings, it’s a versatile choice for replacements or upgrades. Matched arrangements and preload options add flexibility for custom setups.

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

Product Parameters

  • Part Number 71944 ACD/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 220 mm
  • Bore Dia Tolerance -0.012mm to 0
  • Outer Dia 300 mm
  • Outer Dia Tolerance -0.013mm to 0
  • Width 38 mm
  • Width Tolerance -0.24mm to 0
  • Ball Dia 25.4 mm
  • Ball Qty 29
  • Contact Angle 25°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement Available
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 46800 lbf
  • Static Radial Load 64125 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 6700 rpm
  • Weight 5.56 kg
  • Price（$） 4922.577
Super Precision Angular Contact Ball Bearings 71944 ACD/HCP4A dimension drawing
Download DWG Download PDF

Features

Engineered for Precision: 71944 ACD/HCP4A Bearing

71944 ACD/HCP4A Bearing features a 25° contact angle, optimised for high-precision angular contact applications.
Its chrome steel rings and ceramic balls ensure smooth operation under heavy radial loads up to 46,800 lbf.

The phenolic cage maintains ball alignment, reducing friction and enhancing durability.
With a maximum speed of 6,700 rpm, it delivers reliable performance in demanding conditions.

71944 ACD/HCP4A Bearing operates efficiently within a temperature range of -30° to 110°C.
Its open design allows for easy lubrication, ensuring consistent performance over time.

The P4 tolerance class guarantees high precision, making it suitable for critical applications.
Its robust construction and ceramic balls contribute to a longer service life.

Application

Industrial Uses of 71944 ACD/HCP4A Bearing
71944 ACD/HCP4A Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The ceramic balls reduce friction, making it suitable for high-speed operations.

Where Is 71944 ACD/HCP4A Bearing Used?
In robotics, 71944 ACD/HCP4A Bearing provides reliable performance in articulated arms, thanks to its phenolic cage and chrome steel rings. The P4 tolerance class ensures minimal vibration during precise movements.

Built for Heavy-Duty Use: 71944 ACD/HCP4A Bearing
71944 ACD/HCP4A Bearing handles heavy radial loads in industrial gearboxes, with a dynamic load capacity of 46800 lbf. Its open design allows for easy lubrication, extending service life in demanding conditions.

Automotive vs Aerospace: Applications of 71944 ACD/HCP4A Bearing
In automotive systems, 71944 ACD/HCP4A Bearing supports high-performance transmissions, while in aerospace, it ensures smooth operation in landing gear mechanisms. The ceramic balls offer durability in both environments.

Perfect Fit for Automation: 71944 ACD/HCP4A Bearing
71944 ACD/HCP4A Bearing is ideal for automated production lines, where its matched arrangement and preload options enhance stability. The 25° contact angle optimises load distribution for consistent performance.

Q&A

SEND INQUIRY