+86 15806631151 [email protected]
TFL BEARINGS
REQUEST A QUOTE
Super Precision Angular Contact Ball Bearings 71928 ACD/P4AQBCC

Super Precision Angular Contact Ball Bearings 71928 ACD/P4AQBCC

The 71928 ACD/P4AQBCC is a super precision angular contact ball bearing with a 140mm bore and 190mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 53550 lbf and operates smoothly at speeds up to 11000 RPM.

Its 25° contact angle and matched set of four bearings provide excellent stability for angular loads. The phenolic cage ensures quiet operation and long service life, even under moderate preload conditions.

This bearing is ideal for high-precision applications like machine tool spindles or high-speed robotics. It works reliably in temperatures from -30°C to 110°C and comes pre-lubricated for easy installation.

Weighing 6.6kg, it’s a robust choice for demanding industrial environments. The P4A tolerance class guarantees consistent performance, and it’s 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/P4AQBCC
  • 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 96 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 4 bearings <<>> QBC
  • Number Of Bearings In Matched Set 4
  • Universal Matching Bearing No
  • Preload Moderate / Class C
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 53550 lbf
  • Static Radial Load 99000 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 11000 rpm
  • Weight 6.6 kg
Super Precision Angular Contact Ball Bearings 71928 ACD/P4AQBCC dimension drawing
Download DWG Download PDF

Features

Performance Features of 71928 ACD/P4AQBCC Bearing

71928 ACD/P4AQBCC Bearing is designed with a 25° contact angle, optimising load distribution for precision applications.
The chrome steel rings and balls enhance durability, supporting dynamic radial loads up to 53,550 lbf.

Its phenolic cage ensures smooth operation at high speeds, reaching up to 11,000 rpm.
The matched arrangement of four bearings provides balanced performance in demanding setups.

With a P4A tolerance class, 71928 ACD/P4AQBCC Bearing delivers exceptional accuracy.
The moderate preload (Class C) further enhances stability and reduces vibration.

Operating between -30°C to 110°C, this bearing is suitable for varied environments.
Its open design allows for easy lubrication, ensuring consistent performance over time.

Application

Essential Roles of 71928 ACD/P4AQBCC Bearing
71928 ACD/P4AQBCC Bearing is commonly used in high-precision machine tools, where its 25° contact angle ensures accurate radial and axial load handling. The matched set of four bearings provides stability in demanding industrial environments.

In aerospace applications, 71928 ACD/P4AQBCC Bearing supports critical components like turbine shafts, thanks to its phenolic cage and chrome steel construction. Its moderate preload helps maintain performance under varying operational conditions.

For automation systems, 71928 ACD/P4AQBCC Bearing is ideal for robotic arms and CNC machines, where its P4A tolerance class guarantees consistent precision. The open design allows for easy lubrication, extending service life in continuous-use scenarios.

Medical imaging devices benefit from 71928 ACD/P4AQBCC Bearing’s smooth operation and low friction, ensuring reliable performance in sensitive equipment. The temperature range of -30°C to 110°C makes it suitable for diverse clinical environments.

In automotive testing rigs, 71928 ACD/P4AQBCC Bearing handles high-speed rotations with ease, thanks to its dynamic radial load capacity. The metric dimensions ensure compatibility with a wide range of European and Asian machinery.

Q&A

SEND INQUIRY