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Super Precision Angular Contact Ball Bearings 71907 ACD/P4ATBTA

Super Precision Angular Contact Ball Bearings 71907 ACD/P4ATBTA

The 71907 ACD/P4ATBTA is a super precision angular contact ball bearing with a 35mm bore and 55mm outer diameter, crafted from high-quality chrome steel. It features a 25° contact angle and comes in a matched set of three bearings for balanced performance.

This bearing handles radial loads up to 4478 lbf and spins smoothly at speeds up to 56,000 RPM. Its phenolic cage ensures durability while the open design allows for easy lubrication.

The extra-light preload (Class A) ensures minimal friction, making it ideal for high-precision applications. It operates efficiently in temperatures from -30°C to 110°C.

Perfect for machine tools or spindle systems where accuracy and speed are crucial. Weighing just 0.22kg, it’s lightweight yet robust for its size. Interchangeable with SKF bearings for easy replacement.

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Product Parameters

  • Part Number 71907 ACD/P4ATBTA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 35 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 55 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 30 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 5.556 mm
  • Ball Qty 21
  • 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 Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 4478 lbf
  • Static Radial Load 4185 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 56000 rpm
  • Weight 0.22 kg
Super Precision Angular Contact Ball Bearings 71907 ACD/P4ATBTA dimension drawing
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Features

Performance Features of 71907 ACD/P4ATBTA Bearing

71907 ACD/P4ATBTA Bearing is designed with a 25° contact angle, optimising load distribution for precision applications.
Its chrome steel construction ensures durability and resistance to wear under high-speed conditions.

The phenolic cage maintains ball alignment, reducing friction and enhancing smooth operation.
With a maximum speed of 56,000 rpm, it delivers reliable performance in demanding environments.

71907 ACD/P4ATBTA Bearing’s extra light preload (Class A) ensures minimal vibration and noise.
Its matched arrangement of three bearings provides stability and consistent performance.

The dynamic radial load capacity of 4478 lbf makes it suitable for heavy-duty applications.
Its open design allows for easy lubrication, extending service life and reducing maintenance needs.

Application

Industrial Uses of 71907 ACD/P4ATBTA Bearing
71907 ACD/P4ATBTA Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate alignment under radial and axial loads.
The phenolic cage material reduces friction, making it suitable for high-speed spindle applications.

What Makes 71907 ACD/P4ATBTA Bearing a Preferred Choice?
In robotics, 71907 ACD/P4ATBTA Bearing provides smooth motion control for articulated arms, thanks to its extra-light preload and matched arrangement.
Its chrome steel construction offers durability in repetitive motion scenarios, common in automated assembly lines.

Perfect Fit for Automation: 71907 ACD/P4ATBTA Bearing
71907 ACD/P4ATBTA Bearing excels in 3D printers, where its precision and low friction contribute to consistent layer deposition.
The P4A tolerance class ensures minimal vibration, crucial for maintaining print quality over long durations.

Medical vs Industrial: Where 71907 ACD/P4ATBTA Bearing Excels
In medical imaging devices, 71907 ACD/P4ATBTA Bearing’s quiet operation and high-speed capability enhance scanner performance.
For industrial pumps, its ability to handle combined loads makes it a reliable choice for continuous operation.

Q&A

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