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Super Precision Angular Contact Ball Bearings 71952 ACD/P4ATBTB

Super Precision Angular Contact Ball Bearings 71952 ACD/P4ATBTB

The 71952 ACD/P4ATBTB is a super precision angular contact ball bearing with a 260mm bore and 360mm outer diameter, crafted from durable chrome steel. It handles heavy radial loads up to 128700 lbf and operates smoothly at speeds up to 4500 RPM.

Its 25° contact angle and matched arrangement of three bearings provide excellent stability for angular loads. The phenolic cage ensures quiet operation and long service life.

Designed for precision applications, it works well in temperatures from -30°C to 110°C. Ideal for high-performance machinery like spindles or CNC equipment where accuracy is crucial.

Weighing 36.6kg, it’s a robust choice for industrial settings. Compliant with P4A tolerance standards for reliable performance.

The open design allows for easy lubrication, making maintenance straightforward. Interchangeable with SKF bearings for convenient replacements.

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Product Parameters

  • Part Number 71952 ACD/P4ATBTB
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 260 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 360 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 138 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 30.162 mm
  • Ball Qty 29
  • Contact Angle 25°
  • 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 128700 lbf
  • Static Radial Load 270000 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 4500 rpm
  • Weight 36.6 kg
Super Precision Angular Contact Ball Bearings 71952 ACD/P4ATBTB dimension drawing
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Features

Performance Features of 71952 ACD/P4ATBTB Bearing

71952 ACD/P4ATBTB Bearing is designed with a 25° contact angle, optimising load distribution for precision applications.
Its chrome steel rings and balls ensure durability under high dynamic radial loads up to 128,700 lbf.

The phenolic cage maintains ball alignment, reducing friction and wear during operation.
With a maximum speed of 4,500 rpm, it balances performance and reliability.

71952 ACD/P4ATBTB Bearing operates efficiently in temperatures ranging from -30°C to 110°C.
Its matched arrangement of three bearings ensures stability in angular contact applications.

The light preload design enhances precision while minimising unnecessary friction.
This makes 71952 ACD/P4ATBTB Bearing suitable for high-accuracy industrial machinery.

Application

Key Fields for 71952 ACD/P4ATBTB Bearing
71952 ACD/P4ATBTB Bearing is widely used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The matched set of three bearings provides stability for heavy cutting operations.

In aerospace applications, 71952 ACD/P4ATBTB Bearing handles radial and axial loads in turbine assemblies. Its phenolic cage offers lightweight durability, ideal for high-speed environments.

For robotics, 71952 ACD/P4ATBTB Bearing’s P4A tolerance class delivers the precision needed for articulated arms. The chrome steel construction maintains performance even under continuous motion.

Medical imaging systems benefit from 71952 ACD/P4ATBTB Bearing’s smooth operation, reducing vibration in sensitive equipment. The lubricated design ensures long service life with minimal maintenance.

In industrial automation, 71952 ACD/P4ATBTB Bearing supports linear actuators with reliable angular load capacity. Its metric dimensions make it compatible with European machinery standards.

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