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Super Precision Angular Contact Ball Bearings 71905 ACD/P4AQBTB

Super Precision Angular Contact Ball Bearings 71905 ACD/P4AQBTB

The 71905 ACD/P4AQBTB is a super precision angular contact ball bearing, measuring 25mm by 42mm by 36mm, crafted from high-quality chrome steel. It features a 25° contact angle and comes in a matched set of four bearings for balanced performance.

Designed for angular contact loads, it handles dynamic radial loads up to 3780 lbf and spins at impressive speeds of up to 53,000 RPM. Its phenolic cage ensures smooth operation and durability.

The open design allows for easy lubrication, while the P4A tolerance class guarantees high precision. Ideal for applications like machine tool spindles or high-speed robotics.

Weighing just 0.17kg, it’s lightweight yet robust. The bearings are interchangeable with SKF models, making them a reliable choice for replacements. Suitable for temperatures ranging from -30°C to 110°C.

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Product Parameters

  • Part Number 71905 ACD/P4AQBTB
  • 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 36 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 4 bearings <>>> QBT
  • Number Of Bearings In Matched Set 4
  • Universal Matching Bearing No
  • Preload Light / Class B
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 3780 lbf
  • Static Radial Load 3442 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 53000 rpm
  • Weight 0.17 kg
Super Precision Angular Contact Ball Bearings 71905 ACD/P4AQBTB dimension drawing
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Features

Why Choose 71905 ACD/P4AQBTB Bearing for Precision Tasks?

71905 ACD/P4AQBTB Bearing features a 25° contact angle, ideal for handling combined radial and axial loads.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and noise.

With a dynamic radial load capacity of 3780 lbf, it performs reliably in high-speed applications.
The P4A tolerance class guarantees precision, making it suitable for demanding tasks.

71905 ACD/P4AQBTB Bearing operates smoothly at speeds up to 53,000 rpm.
Its open design allows for easy lubrication, maintaining performance over time.

The matched arrangement of four bearings ensures consistent load distribution.
This design enhances stability and extends the bearing’s service life.

Application

Common Applications of 71905 ACD/P4AQBTB Bearing
71905 ACD/P4AQBTB Bearing is widely used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The light preload and P4A tolerance class make it suitable for applications demanding minimal vibration.

In robotics, 71905 ACD/P4AQBTB Bearing supports articulated arms, providing smooth movement and long service life. Its phenolic cage reduces friction, enhancing efficiency in repetitive tasks.

For aerospace components, 71905 ACD/P4AQBTB Bearing handles both radial and axial loads in compact spaces. The chrome steel construction offers durability under high-speed conditions, meeting stringent industry standards.

Medical imaging devices benefit from 71905 ACD/P4AQBTB Bearing’s precision and reliability. The open design allows for easy lubrication, ensuring consistent performance in critical diagnostic equipment.

In automation systems, 71905 ACD/P4AQBTB Bearing is a trusted choice for linear actuators and CNC machinery. Its matched arrangement simplifies installation, reducing downtime in production lines.

Q&A

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