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Super Precision Angular Contact Ball Bearings 71952 ACD/P4A

Super Precision Angular Contact Ball Bearings 71952 ACD/P4A

The 71952 ACD/P4A is a super precision angular contact ball bearing with a 260mm bore and 360mm outer diameter, crafted from high-quality chrome steel. It handles radial loads up to 59,625 lbf and operates smoothly at speeds up to 4800 RPM.

With a 25° contact angle and phenolic cage, it offers excellent stability and durability. The open design allows for easy lubrication, ensuring long service life even in demanding conditions.

This bearing is ideal for high-precision applications like machine tool spindles or industrial equipment. Its P4 tolerance class ensures reliable performance under heavy loads and varying temperatures.

Weighing 12.2kg, it’s a robust choice for heavy-duty machinery. Compliant with standard temperature ranges from -30°C to 110°C, it’s a dependable option for engineers and maintenance teams.

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Product Parameters

  • Part Number 71952 ACD/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 260 mm
  • Bore Dia Tolerance -0.013mm to 0
  • Outer Dia 360 mm
  • Outer Dia Tolerance -0.015mm to 0
  • Width 46 mm
  • Width Tolerance -0.24mm to 0
  • Ball Dia 30.162 mm
  • Ball Qty 29
  • Contact Angle 25°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 59625 lbf
  • Static Radial Load 90000 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 4800 rpm
  • Weight 12.2 kg
  • Price（$） 659.862
Super Precision Angular Contact Ball Bearings 71952 ACD/P4A dimension drawing
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Features

Performance Features of 71952 ACD/P4A Bearing

71952 ACD/P4A 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 up to 59,625 lbf.

The phenolic cage in 71952 ACD/P4A Bearing reduces friction and maintains stability at speeds up to 4,800 rpm.
Precision P4 tolerance class ensures smooth operation in demanding conditions.

71952 ACD/P4A Bearing operates efficiently within a temperature range of -30° to 110°C.
Its open design allows for easy lubrication, enhancing performance and longevity.

With a static radial load capacity of 90,000 lbf, 71952 ACD/P4A Bearing handles heavy-duty applications reliably.
The 29-ball configuration balances load distribution while minimising wear.

Application

Common Applications of 71952 ACD/P4A Bearing
71952 ACD/P4A Bearing is widely used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The open seal type allows for efficient lubrication, extending service life in demanding industrial settings.

In aerospace components, 71952 ACD/P4A Bearing handles both radial and axial loads, making it suitable for helicopter gearboxes. Its phenolic cage material reduces friction, which is crucial for high-speed applications.

For robotics, 71952 ACD/P4A Bearing’s P4 tolerance class provides the precision needed for articulated arms. The chrome steel construction offers durability in repetitive motion scenarios.

Medical imaging systems benefit from 71952 ACD/P4A Bearing’s smooth operation, essential for reducing vibration in sensitive equipment. The preload availability ensures consistent performance over time.

In wind turbine yaw systems, 71952 ACD/P4A Bearing’s large bore diameter accommodates heavy loads. Its metric sizing simplifies integration with European-designed renewable energy systems.

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