+86 15806631151 [email protected]
TFL BEARINGS
REQUEST A QUOTE
Super Precision Angular Contact Ball Bearings 71912 CD/P4AQBCD

Super Precision Angular Contact Ball Bearings 71912 CD/P4AQBCD

The 71912 CD/P4AQBCD is a super precision angular contact ball bearing with a 60mm bore and 85mm outer diameter, crafted from high-quality chrome steel. It handles radial loads up to 11700 lbf and operates smoothly at speeds up to 31000 RPM.

Its 15° contact angle and heavy preload (Class D) ensure stability under demanding conditions, while the phenolic cage offers durability. The open design allows for easy lubrication and maintenance.

This bearing comes in a matched set of four, ideal for applications requiring high precision, such as machine tool spindles or high-speed robotics. It performs reliably in temperatures ranging from -30°C to 110°C.

Weighing 0.76kg, it’s a robust yet manageable choice for precision engineering. Compliant with P4A tolerance standards, it’s interchangeable with SKF bearings for easy replacements.

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

Product Parameters

  • Part Number 71912 CD/P4AQBCD
  • 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 52 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 7.938 mm
  • Ball Qty 24
  • Contact Angle 15°
  • 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 Heavy / Class D
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 11700 lbf
  • Static Radial Load 13950 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 31000 rpm
  • Weight 0.76 kg
Super Precision Angular Contact Ball Bearings 71912 CD/P4AQBCD dimension drawing
Download DWG Download PDF

Features

Performance Features of 71912 CD/P4AQBCD Bearing

71912 CD/P4AQBCD Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls enhance durability, supporting dynamic radial loads up to 11700 lbf.

The phenolic cage ensures smooth operation, even at high speeds of 31,000 rpm.
Precision P4A tolerance guarantees consistent performance in demanding conditions.

With a matched arrangement of four bearings, it provides stability under heavy preload.
The open design allows easy lubrication, extending service life in varied temperatures.

Application

Key Fields for 71912 CD/P4AQBCD Bearing
71912 CD/P4AQBCD Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The heavy preload and P4A tolerance make it suitable for demanding machining tasks.

Where Is 71912 CD/P4AQBCD Bearing Used?
In robotics, 71912 CD/P4AQBCD Bearing provides smooth motion control for articulated arms, thanks to its matched arrangement and phenolic cage. Its high-speed capability also suits automated production lines.

Optimized for Performance: 71912 CD/P4AQBCD Bearing
For aerospace applications, 71912 CD/P4AQBCD Bearing handles combined radial and axial loads in flight control systems. The chrome steel construction offers durability under extreme conditions.

Medical vs Industrial: Where 71912 CD/P4AQBCD Bearing Excels
In medical imaging devices, 71912 CD/P4AQBCD Bearing ensures quiet and precise movement for components like gantries. Industrial pumps benefit from its reliability in high-speed, high-load scenarios.

Q&A

SEND INQUIRY