+86 15806631151 [email protected]
TFL BEARINGS
REQUEST A QUOTE
Super Precision Angular Contact Ball Bearings 71928 ACD/P4ATGA

Super Precision Angular Contact Ball Bearings 71928 ACD/P4ATGA

The 71928 ACD/P4ATGA is a super precision angular contact ball bearing with a 140mm bore and 190mm outer diameter, crafted from durable chrome steel. Its 25° contact angle and extra light preload ensure smooth operation under angular loads.

This bearing handles dynamic radial loads up to 43875 lbf and spins efficiently at speeds up to 11000 RPM. The phenolic cage enhances durability while keeping weight manageable at 4.95kg.

Designed for universal matching, it works in back-to-back, face-to-face, or tandem arrangements. Ideal for high-precision applications like machine tool spindles or aerospace systems.

With a temperature range of -30°C to 110°C, it performs reliably in various conditions. Compliant with P4A tolerance class for exceptional accuracy.

The open design allows easy lubrication, while the 29 balls ensure even load distribution. Interchangeable with SKF bearings for convenient replacements.

Get A Free Quote
    Description Features Application Q&A Featured Products Our Process

Product Parameters

  • Part Number 71928 ACD/P4ATGA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 140 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 190 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 72 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 15.875 mm
  • Ball Qty 29
  • 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 43875 lbf
  • Static Radial Load 75375 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 11000 rpm
  • Weight 4.95 kg
Super Precision Angular Contact Ball Bearings 71928 ACD/P4ATGA dimension drawing
Download DWG Download PDF

Features

Performance Features of 71928 ACD/P4ATGA Bearing

71928 ACD/P4ATGA Bearing is crafted with chrome steel rings and balls, ensuring high precision and durability.
Its 25° contact angle provides excellent angular contact load capacity, making it versatile for various applications.

The phenolic cage maintains ball alignment, reducing friction and enhancing performance.
With a dynamic radial load of 43875 lbf, it handles demanding conditions reliably.

71928 ACD/P4ATGA Bearing operates smoothly at speeds up to 11,000 rpm, balancing speed and stability.
Its universal matching design allows flexible arrangement options, including back-to-back and face-to-face configurations.

The extra light preload ensures minimal friction, contributing to longer service life.
Its temperature range of -30°C to 110°C makes it suitable for diverse operating environments.

Application

Industrial Uses of 71928 ACD/P4ATGA Bearing
71928 ACD/P4ATGA Bearing is commonly used in high-precision machine tools, where its 25° contact angle ensures accurate radial and axial load distribution. The universal matching design allows for flexible arrangements in complex machinery setups.

In aerospace applications, 71928 ACD/P4ATGA Bearing supports critical components like turbine shafts, thanks to its extra light preload and P4A tolerance class. The phenolic cage reduces friction, making it suitable for high-speed operations.

For robotics, 71928 ACD/P4ATGA Bearing provides reliable performance in articulated arms and joints, where smooth motion is essential. Its chrome steel construction offers durability in repetitive, high-stress environments.

Medical imaging systems benefit from 71928 ACD/P4ATGA Bearing’s precision, ensuring stable rotation in devices like MRI scanners. The lubricated design minimises maintenance needs in sensitive environments.

In automotive testing equipment, 71928 ACD/P4ATGA Bearing handles angular loads in dynamometers and rigs. The matched set configuration simplifies installation and improves overall system accuracy.

Q&A

SEND INQUIRY