+86 15806631151 [email protected]
TFL BEARINGS
REQUEST A QUOTE
Super Precision Angular Contact Ball Bearings 71921 CD/P4ADBA

Super Precision Angular Contact Ball Bearings 71921 CD/P4ADBA

The 71921 CD/P4ADBA is a super precision angular contact ball bearing with a 105mm bore and 145mm outer diameter, crafted from high-quality chrome steel. It measures 40mm in width and comes in a matched set of two bearings for balanced performance.

Designed for angular contact loads, it handles dynamic radial loads up to 22388 lbf and spins smoothly at speeds up to 16000 RPM. The phenolic cage ensures durability and quiet operation.

Its extra-light preload (Class A) and open design make it ideal for high-precision applications like machine tools or spindles. The bearing operates efficiently in temperatures from -30°C to 110°C.

Weighing 1.64kg, this model is interchangeable with SKF bearings, offering a reliable solution for demanding industrial setups. Its 15° contact angle provides excellent stability under radial and axial loads.

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

Product Parameters

  • Part Number 71921 CD/P4ADBA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 105 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 145 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 40 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 12.7 mm
  • Ball Qty 27
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement 2 bearings <> DB
  • Number Of Bearings In Matched Set 2
  • 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 22388 lbf
  • Static Radial Load 30825 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 16000 rpm
  • Weight 1.64 kg
Super Precision Angular Contact Ball Bearings 71921 CD/P4ADBA dimension drawing
Download DWG Download PDF

Features

Performance Features of 71921 CD/P4ADBA Bearing

71921 CD/P4ADBA Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.

Its chrome steel rings and balls provide high resistance to wear, ensuring consistent performance under dynamic radial loads up to 22388 lbf.

The phenolic cage maintains ball alignment, reducing friction and enhancing operational smoothness.

With a maximum speed of 16,000 rpm, it delivers reliable efficiency in high-speed scenarios.

Application

Industrial Uses of 71921 CD/P4ADBA Bearing
71921 CD/P4ADBA Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The matched arrangement of two bearings provides stability under radial and axial loads.

In automotive applications, 71921 CD/P4ADBA Bearing supports gearbox systems, offering smooth performance at high speeds. Its phenolic cage reduces friction, making it suitable for demanding driving conditions.

For medical imaging devices, 71921 CD/P4ADBA Bearing’s chrome steel construction ensures reliable operation in sensitive equipment. The extra light preload helps maintain precision during prolonged use.

Automation systems benefit from 71921 CD/P4ADBA Bearing’s ability to handle high-speed rotations in robotic arms. The P4A tolerance class guarantees consistent performance in repetitive tasks.

In consumer electronics, 71921 CD/P4ADBA Bearing can be found in high-end printers, where its durability ensures long-lasting performance. The lubricated design reduces maintenance needs for everyday use.

Q&A

SEND INQUIRY