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Super Precision Angular Contact Ball Bearings 71912 ACD/P4ATBTA

Super Precision Angular Contact Ball Bearings 71912 ACD/P4ATBTA

The 71912 ACD/P4ATBTA is a super precision angular contact ball bearing with a 60mm bore and 85mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 9068 lbf and spins smoothly at speeds up to 33,000 RPM.

Its 25° contact angle and matched set of three bearings (arranged > TBT) provide excellent stability for high-precision applications. The phenolic cage ensures quiet operation and long service life.

Designed for extra light preload (Class A), this bearing is ideal for machine tools or spindle systems where accuracy is key. It operates reliably in temperatures from -30°C to 110°C.

Weighing 0.57kg, it’s a robust yet lightweight solution for demanding environments. Compliant with P4A tolerance standards, it’s interchangeable with SKF bearings for easy replacement.

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Product Parameters

  • Part Number 71912 ACD/P4ATBTA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 60 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 85 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 39 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 7.938 mm
  • Ball Qty 24
  • 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 9068 lbf
  • Static Radial Load 9900 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 33000 rpm
  • Weight 0.57 kg
Super Precision Angular Contact Ball Bearings 71912 ACD/P4ATBTA dimension drawing
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Features

Performance Features of 71912 ACD/P4ATBTA Bearing

71912 ACD/P4ATBTA Bearing is designed with a 25° contact angle, ideal for handling combined radial and axial loads.
The chrome steel rings and balls ensure durability and smooth operation under high-speed conditions.

With a dynamic radial load capacity of 9068 lbf, it performs reliably in demanding applications.
The phenolic cage maintains ball alignment, reducing friction and extending service life.

Its extra light preload (Class A) enhances precision, making it suitable for high-accuracy machinery.
The open design allows for easy lubrication, ensuring consistent performance.

Operating at speeds up to 33,000 rpm, it balances speed and stability.
The temperature range of -30°C to 110°C ensures versatility in various environments.

Application

Industrial Uses of 71912 ACD/P4ATBTA Bearing
71912 ACD/P4ATBTA Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The phenolic cage reduces friction, making it suitable for high-speed operations.

In automotive applications, 71912 ACD/P4ATBTA Bearing supports gearbox systems, providing stability under radial and axial loads. Its extra-light preload enhances performance in demanding driving conditions.

For automation systems, 71912 ACD/P4ATBTA Bearing is ideal for robotic arms, offering smooth movement and long service life. The matched arrangement of three bearings ensures consistent alignment in repetitive tasks.

Medical imaging devices benefit from 71912 ACD/P4ATBTA Bearing’s precision, ensuring reliable performance in critical diagnostics. The chrome steel construction maintains durability in sterile environments.

In consumer electronics, 71912 ACD/P4ATBTA Bearing can be found in high-end printers, where its low noise and vibration improve print quality. The open design allows for easy lubrication maintenance.

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