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Super Precision Angular Contact Ball Bearings 71952 ACD/P4ADBC

Super Precision Angular Contact Ball Bearings 71952 ACD/P4ADBC

The 71952 ACD/P4ADBC is a super precision angular contact ball bearing with a 260mm bore and 360mm outer diameter, measuring 92mm in width. Made from high-quality chrome steel, it’s designed for angular contact loads and comes in a matched set of two bearings.

With a 25° contact angle and moderate preload, it handles radial loads up to 98100 lbf and spins smoothly at speeds up to 4500 RPM. The open design and phenolic cage ensure reliable performance in temperatures from -30°C to 110°C.

This bearing is interchangeable with SKF models, making it a practical choice for replacements. Ideal for high-precision applications like machine tool spindles or industrial gearboxes where accuracy is key.

Weighing 24.4kg, it’s robust yet suitable for heavy-duty use. Compliant with P4A tolerance standards for consistent performance.

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Product Parameters

  • Part Number 71952 ACD/P4ADBC
  • 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 92 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 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 98100 lbf
  • Static Radial Load 180000 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 4500 rpm
  • Weight 24.4 kg
Super Precision Angular Contact Ball Bearings 71952 ACD/P4ADBC dimension drawing
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Features

Performance Features of 71952 ACD/P4ADBC Bearing

71952 ACD/P4ADBC Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure durability under high dynamic radial loads of up to 98,100 lbf.

The phenolic cage maintains ball alignment, reducing friction and enhancing smooth operation.
With a maximum speed of 4,500 rpm, it balances precision and performance in demanding conditions.

71952 ACD/P4ADBC Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its matched arrangement of two bearings provides stability and reliability for precision tasks.

The moderate preload (Class C) ensures consistent performance without excessive rigidity.
This makes 71952 ACD/P4ADBC Bearing suitable for applications requiring high accuracy and durability.

Application

Industrial Uses of 71952 ACD/P4ADBC Bearing
71952 ACD/P4ADBC Bearing is commonly used in high-precision machine tools, where its angular contact design handles both radial and axial loads efficiently. The matched arrangement ensures stability in demanding industrial environments.

In aerospace applications, 71952 ACD/P4ADBC Bearing supports critical components like turbine shafts, thanks to its moderate preload and high dynamic radial load capacity. The phenolic cage reduces friction, enhancing performance at high speeds.

For automation systems, 71952 ACD/P4ADBC Bearing is ideal for robotic arms and CNC machines, where its P4A tolerance class guarantees precise movement. The chrome steel construction also ensures long-term durability in continuous operation.

Medical imaging devices benefit from 71952 ACD/P4ADBC Bearing’s smooth operation and low vibration. Its open design allows for easy lubrication, maintaining performance in sensitive equipment.

In heavy machinery, 71952 ACD/P4ADBC Bearing’s robust design handles significant loads without compromising precision. The metric sizing makes it compatible with a wide range of European and Asian equipment standards.

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