Super Precision Angular Contact Ball Bearings 71932 CD/P4ADBC

Super Precision Angular Contact Ball Bearings 71932 CD/P4ADBC

The 71932 CD/P4ADBC is a super precision angular contact ball bearing with a 160mm bore and 220mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 47700 lbf and operates smoothly at speeds up to 11000 RPM.

Its 15° contact angle and matched arrangement (2 bearings DB) provide excellent stability under angular loads. The phenolic cage ensures quiet operation and long service life, even in demanding conditions.

This bearing is lubricated for reduced friction and works in temperatures from -30°C to 110°C. Ideal for high-precision applications like machine tool spindles or high-speed rotary systems.

Weighing 5.4kg, it meets P4A tolerance standards for exceptional accuracy. Interchangeable with SKF bearings, it offers a reliable solution for precision engineering needs.

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Product Parameters

  • Part Number 71932 CD/P4ADBC
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 160 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 220 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 56 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 19.05 mm
  • Ball Qty 28
  • 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 Moderate / Class C
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 47700 lbf
  • Static Radial Load 72000 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 11000 rpm
  • Weight 5.4 kg

Features

How Is 71932 CD/P4ADBC Bearing Engineered for Reliability?

71932 CD/P4ADBC Bearing features a 15° contact angle, optimised for handling both radial and axial loads.
The chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and wear.

With a dynamic radial load capacity of 47,700 lbf, it performs reliably under demanding conditions.
Its matched arrangement of two bearings provides stability and precision in high-speed applications.

The P4A tolerance class guarantees consistent performance, making it suitable for precision tasks.
Operating within a temperature range of -30°C to 110°C, it adapts well to varying environments.

Application

Industrial Uses of 71932 CD/P4ADBC Bearing
This bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The moderate preload helps maintain stability during heavy cutting operations.

In aerospace applications, 71932 CD/P4ADBC Bearing supports helicopter transmissions, handling both radial and axial loads efficiently. Its phenolic cage reduces friction, making it suitable for high-speed rotations.

For robotics, 71932 CD/P4ADBC Bearing provides smooth motion in articulated arms, thanks to its P4A tolerance class. The matched arrangement ensures consistent performance in automated systems.

Medical imaging devices benefit from 71932 CD/P4ADBC Bearing’s precision, particularly in MRI machines where quiet operation is essential. The chrome steel construction offers long-term reliability in critical environments.

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