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Super Precision Angular Contact Ball Bearings 71905 ACD/P4ADT

Super Precision Angular Contact Ball Bearings 71905 ACD/P4ADT

The 71905 ACD/P4ADT is a super precision angular contact ball bearing with a 25mm bore and 42mm outer diameter, crafted from high-quality chrome steel. It features a 25° contact angle and comes in a matched set of two bearings for balanced performance.

Designed for angular loads, it handles dynamic radial loads up to 2340 lbf and spins smoothly at speeds up to 53,000 RPM. The phenolic cage ensures durability and quiet operation, even under high stress.

Its open design allows for easy lubrication, making maintenance straightforward. The bearing operates efficiently in temperatures ranging from -30°C to 110°C.

Ideal for precision applications like machine tool spindles or high-speed robotics, where accuracy and reliability are key. Weighing just 0.084kg, it’s lightweight yet robust for its size. Compliant with P4A tolerance class for exceptional precision.

The matched set arrangement ensures consistent performance, though it’s not universally interchangeable. A reliable choice for demanding industrial environments.

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Product Parameters

  • Part Number 71905 ACD/P4ADT
  • 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 18
  • Contact Angle 25°
  • 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 Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 2340 lbf
  • Static Radial Load 1721 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 53000 rpm
  • Weight 0.084 kg
Super Precision Angular Contact Ball Bearings 71905 ACD/P4ADT dimension drawing
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Features

How Is 71905 ACD/P4ADT Bearing Engineered for Reliability?

71905 ACD/P4ADT Bearing features a 25° contact angle, optimised for handling combined radial and axial loads.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and wear.

With a dynamic radial load capacity of 2340 lbf, it performs reliably in high-speed applications.
The P4A tolerance class guarantees precision, making it suitable for demanding tasks.

Designed for matched arrangement, 71905 ACD/P4ADT Bearing offers preload options for enhanced stability.
It operates smoothly at speeds up to 53,000 rpm, maintaining performance within a -30°C to 110°C range.

The open seal type allows for easy lubrication, ensuring consistent performance over time.
Its 18-ball design distributes loads evenly, extending service life.

Application

Industrial Uses of 71905 ACD/P4ADT Bearing
71905 ACD/P4ADT Bearing is commonly used in high-speed machine tools, where its precision angular contact design ensures accurate spindle rotation. The phenolic cage reduces friction, making it ideal for continuous operation.

Where Is 71905 ACD/P4ADT Bearing Used?
You’ll often find 71905 ACD/P4ADT Bearing in automotive transmissions, where its 25° contact angle handles combined radial and axial loads efficiently. Its P4A tolerance class guarantees consistent performance in demanding conditions.

Optimized for Performance: 71905 ACD/P4ADT Bearing
71905 ACD/P4ADT Bearing excels in robotics, particularly in articulated arms requiring smooth, precise movement. The matched bearing arrangement enhances stability, reducing vibration during high-speed tasks.

Medical vs Industrial: Where 71905 ACD/P4ADT Bearing Excels
In medical imaging devices, 71905 ACD/P4ADT Bearing’s chrome steel construction ensures reliability under frequent use. Industrial applications like CNC machines benefit from its high-speed capability and low maintenance needs.

Perfect Fit for Automation: 71905 ACD/P4ADT Bearing
71905 ACD/P4ADT Bearing is a go-to choice for 3D printers, where its precision and speed contribute to detailed print quality. The lubricated design minimises wear, extending service life in automated systems.

Q&A

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