+86 15806631151 [email protected]
TFL BEARINGS
REQUEST A QUOTE
Super Precision Angular Contact Ball Bearings 71905 ACE/HCP4ADBA

Super Precision Angular Contact Ball Bearings 71905 ACE/HCP4ADBA

The 71905 ACE/HCP4ADBA is a super precision angular contact ball bearing, measuring 25mm by 42mm by 18mm. Made from chrome steel with ceramic balls, it offers smooth operation and high durability.

With a 25° contact angle, it handles both radial and axial loads efficiently. Its extra-light preload ensures minimal friction, making it suitable for high-speed applications up to 53,000 RPM.

The open design allows easy lubrication, while the phenolic cage provides stability. This matched set of two bearings is ideal for precision machinery like spindles or CNC tools.

Weighing just 0.072kg, it’s lightweight yet robust. Compliant with P4A tolerance standards, it ensures reliable performance in temperatures from -30°C to 110°C.

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

Product Parameters

  • Part Number 71905 ACE/HCP4ADBA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 25 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 42 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 18 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 4.762 mm
  • Ball Qty 16
  • Contact Angle 25°
  • 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 Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 1843 lbf
  • Static Radial Load 1192 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 53000 rpm
  • Weight 0.072 kg
Super Precision Angular Contact Ball Bearings 71905 ACE/HCP4ADBA dimension drawing
Download DWG Download PDF

Features

Performance Features of 71905 ACE/HCP4ADBA Bearing

71905 ACE/HCP4ADBA Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
The ceramic balls reduce friction, enhancing speed capabilities up to 53,000 rpm.

Its chrome steel rings and phenolic cage ensure durability and smooth operation under dynamic radial loads of 1843 lbf.
The extra light preload (Class A) minimises vibration, making it ideal for precision tasks.

71905 ACE/HCP4ADBA Bearing operates efficiently in temperatures ranging from -30°C to 110°C.
The matched arrangement of two bearings (DB) provides stability and balanced performance.

With its open seal design, 71905 ACE/HCP4ADBA Bearing allows for easy lubrication and maintenance.
The P4A tolerance class ensures high precision and reliability in demanding applications.

Application

Industrial Uses of 71905 ACE/HCP4ADBA Bearing
71905 ACE/HCP4ADBA Bearing is commonly used in high-speed machine tools, where its precision and angular contact design ensure accurate performance. The ceramic balls reduce friction, making it ideal for applications requiring smooth rotation.

Where Is 71905 ACE/HCP4ADBA Bearing Used?
You’ll often find 71905 ACE/HCP4ADBA Bearing in automotive transmissions, where its extra light preload helps maintain efficiency. The matched arrangement of two bearings also provides stability in demanding conditions.

Built for Heavy-Duty Use: 71905 ACE/HCP4ADBA Bearing
71905 ACE/HCP4ADBA Bearing excels in robotics, particularly in robotic arms that require precise movement. Its phenolic cage offers durability while keeping weight low for better performance.

Medical vs Industrial: Where 71905 ACE/HCP4ADBA Bearing Excels
In medical imaging devices, 71905 ACE/HCP4ADBA Bearing’s P4A tolerance class ensures reliable operation. For industrial pumps, its high-speed capability and lubrication make it a dependable choice.

Q&A

SEND INQUIRY