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Super Precision Angular Contact Ball Bearings 71905 ACD/P4ATBTC

Super Precision Angular Contact Ball Bearings 71905 ACD/P4ATBTC

The 71905 ACD/P4ATBTC is a super precision angular contact ball bearing with a 25mm bore and 42mm outer diameter, crafted from durable chrome steel. Its 25° contact angle and matched set of three bearings (TBT arrangement) provide stable performance under angular loads.

This bearing handles dynamic radial loads up to 3105 lbf and spins smoothly at speeds up to 53,000 RPM. The phenolic cage ensures quiet operation, while the open design allows for easy lubrication.

With a moderate preload (Class C) and P4A tolerance, it offers precise movement for demanding applications. Ideal for high-speed spindles or precision machinery where accuracy is key.

Weighing just 0.13kg, it’s lightweight yet robust. Suitable for temperatures from -30°C to 110°C, making it versatile for various industrial uses.

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Product Parameters

  • Part Number 71905 ACD/P4ATBTC
  • 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 27 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 3 bearings <>> TBT
  • Number Of Bearings In Matched Set 3
  • Universal Matching Bearing No
  • Preload Moderate / Class C
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 3105 lbf
  • Static Radial Load 2565 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 53000 rpm
  • Weight 0.13 kg
Super Precision Angular Contact Ball Bearings 71905 ACD/P4ATBTC dimension drawing
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Features

How Does 71905 ACD/P4ATBTC Bearing Achieve Super Precision?

71905 ACD/P4ATBTC Bearing features a 25° contact angle, optimised for high-precision angular contact applications.
Its chrome steel rings and balls ensure durability and smooth operation under dynamic radial loads up to 3105 lbf.

The phenolic cage maintains ball alignment, reducing friction and enhancing performance.
With a maximum speed of 53,000 rpm, it delivers reliable efficiency in demanding conditions.

71905 ACD/P4ATBTC Bearing operates within a temperature range of -30°C to 110°C, suitable for various environments.
Its P4A tolerance class guarantees consistent precision and long service life.

Application

Common Applications of 71905 ACD/P4ATBTC Bearing
71905 ACD/P4ATBTC Bearing is widely used in high-speed machine tools, where its precision angular contact design ensures accurate spindle rotation.
The matched arrangement of three bearings provides excellent stability for demanding industrial applications.

Industrial Uses of 71905 ACD/P4ATBTC Bearing
In automation systems, 71905 ACD/P4ATBTC Bearing supports robotic arms, offering smooth movement with its moderate preload.
Its phenolic cage material reduces friction, making it suitable for continuous operation in production lines.

Why Is 71905 ACD/P4ATBTC Bearing Essential in Machinery?
71905 ACD/P4ATBTC Bearing handles both radial and axial loads efficiently, perfect for gearboxes in automotive applications.
The chrome steel construction ensures durability even under high-speed conditions up to 53,000 rpm.

Perfect Fit for Automation: 71905 ACD/P4ATBTC Bearing
71905 ACD/P4ATBTC Bearing works well in 3D printers, providing precise linear motion control.
Its open design allows for easy lubrication, extending service life in busy workshop environments.

Medical vs Industrial: Where 71905 ACD/P4ATBTC Bearing Excels
71905 ACD/P4ATBTC Bearing is reliable in medical imaging devices, where quiet operation is crucial.
In industrial settings, its P4A tolerance class ensures consistent performance in precision measuring equipment.

Q&A

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