Super Precision Angular Contact Ball Bearings 71920 ACD/P4ATGA

Super Precision Angular Contact Ball Bearings 71920 ACD/P4ATGA

The 71920 ACD/P4ATGA is a super precision angular contact ball bearing with a 100mm bore and 140mm outer diameter, crafted from high-quality chrome steel. It features a 25° contact angle and comes in a universal matching set of three bearings.

This bearing handles radial loads up to 27900 lbf and can spin at speeds up to 15000 RPM, making it suitable for high-performance applications. Its phenolic cage ensures smooth operation and durability.

The open design allows for easy lubrication, while the extra light preload (Class A) ensures minimal friction. It operates efficiently in temperatures ranging from -30°C to 110°C.

Ideal for precision machinery like spindles or CNC equipment, this bearing can be arranged back-to-back, face-to-face, or tandem. Weighing 2.4kg, it offers a robust yet precise solution for demanding environments.

Get A Free Quote

Product Parameters

  • Part Number 71920 ACD/P4ATGA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 100 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 140 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 60 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 12.7 mm
  • Ball Qty 26
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement Universal matching
  • Number Of Bearings In Matched Set 3
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 27900 lbf
  • Static Radial Load 42750 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 15000 rpm
  • Weight 2.4 kg

Features

Performance Features of 71920 ACD/P4ATGA Bearing

71920 ACD/P4ATGA Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.

Its chrome steel rings and balls provide strong resistance to radial loads, with a dynamic capacity of 27900 lbf.

The phenolic cage ensures smooth operation at high speeds, up to 15,000 rpm, while reducing friction.

With universal matching capability, it offers flexibility in back-to-back, face-to-face, or tandem arrangements.

Application

Essential Roles of 71920 ACD/P4ATGA Bearing
71920 ACD/P4ATGA Bearing is widely used in high-precision machine tools, where its 25° contact angle ensures accurate radial and axial load handling. The universal matching design allows for flexible arrangements, making it suitable for complex setups.

In aerospace applications, 71920 ACD/P4ATGA Bearing supports critical components like turbine shafts, thanks to its extra-light preload and high-speed capability. The phenolic cage reduces friction, enhancing performance in demanding conditions.

For automation systems, 71920 ACD/P4ATGA Bearing excels in robotic arms and CNC machines, where its P4A tolerance class guarantees consistent precision. The chrome steel construction also ensures durability in continuous operation.

Medical imaging devices benefit from 71920 ACD/P4ATGA Bearing’s smooth operation and low vibration. Its lubricated design minimises maintenance, making it ideal for sensitive equipment.

In electric motors, 71920 ACD/P4ATGA Bearing’s high dynamic radial load capacity ensures reliable performance. The tandem arrangement option further expands its versatility for various motor designs.

Q&A

SEND INQUIRY