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Super Precision Angular Contact Ball Bearings 71924 CD/P4ATBTB

Super Precision Angular Contact Ball Bearings 71924 CD/P4ATBTB

The 71924 CD/P4ATBTB is a super precision angular contact ball bearing with a 120mm bore and 165mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 37800 lbf and operates smoothly at speeds up to 10000 RPM.

Its 15° contact angle and matched set of three bearings (arranged > TBT) provide excellent stability for angular loads. The phenolic cage ensures quiet, long-lasting performance, while the open design allows for easy lubrication.

This bearing is ideal for high-precision applications like machine tool spindles or aerospace components. It works reliably in temperatures from -30°C to 110°C and meets the strict P4A tolerance class for accuracy.

Weighing 3.45kg, it’s a robust choice for demanding environments. Interchangeable with SKF bearings, it offers a reliable replacement option. The light preload (Class B) ensures smooth operation without excessive friction.

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Product Parameters

  • Part Number 71924 CD/P4ATBTB
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 120 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 165 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 66 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 14.288 mm
  • Ball Qty 28
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement 3 bearings <>> TBT
  • Number Of Bearings In Matched Set 3
  • Universal Matching Bearing No
  • Preload Light / Class B
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 37800 lbf
  • Static Radial Load 61875 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 10000 rpm
  • Weight 3.45 kg
Super Precision Angular Contact Ball Bearings 71924 CD/P4ATBTB dimension drawing
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Features

Performance Features of 71924 CD/P4ATBTB Bearing

71924 CD/P4ATBTB Bearing is designed with a 15° contact angle, optimising load distribution for precision applications.
Its chrome steel rings and balls ensure durability under high radial loads up to 37,800 lbf.

The phenolic cage maintains ball alignment, reducing friction and noise during high-speed operation.
With a maximum speed of 10,000 rpm, it balances performance and reliability.

71924 CD/P4ATBTB Bearing operates efficiently in temperatures from -30°C to 110°C.
Its matched arrangement of three bearings provides stability in demanding setups.

The light preload design ensures smooth rotation while minimising wear.
This bearing is ideal for applications requiring high precision and angular contact performance.

Application

Industrial Uses of 71924 CD/P4ATBTB Bearing
71924 CD/P4ATBTB Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The matched arrangement of three bearings provides stability in demanding industrial environments.

In automotive applications, 71924 CD/P4ATBTB Bearing supports high-speed components like turbochargers and transmission systems. Its light preload and phenolic cage contribute to smooth performance under varying loads.

For medical imaging devices, 71924 CD/P4ATBTB Bearing’s P4A tolerance class guarantees the precision needed for consistent operation. The chrome steel construction also enhances durability in critical healthcare equipment.

Automation & Robotics: Where 71924 CD/P4ATBTB Bearing Excels
71924 CD/P4ATBTB Bearing is ideal for robotic arms, offering reliable angular contact performance in repetitive motion tasks. The lubricated design reduces maintenance needs in automated production lines.

In consumer electronics, 71924 CD/P4ATBTB Bearing can be found in high-end printers, where its low noise operation is a key advantage. The metric sizing ensures compatibility with various European and Asian device specifications.

Q&A

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