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Super Precision Angular Contact Ball Bearings 71952 ACD/HCP4A

Super Precision Angular Contact Ball Bearings 71952 ACD/HCP4A

The 71952 ACD/HCP4A is a super precision angular contact ball bearing with a 260mm bore and 360mm outer diameter, designed for high-performance applications. Its 25° contact angle and ceramic balls ensure smooth operation under heavy radial loads up to 59,625 lbf.

Made from durable chrome steel with a phenolic cage, it handles speeds up to 6000 RPM and temperatures from -30°C to 110°C. The open design allows for easy lubrication, while the P4 tolerance class guarantees exceptional accuracy.

This bearing is ideal for precision machinery like CNC spindles or high-speed robotics, where reliability and minimal friction are crucial. It’s interchangeable with SKF bearings, offering a trusted replacement option.

Weighing 10.4kg, it’s robust yet well-suited for demanding industrial environments. Preload and matched arrangements are available for custom setups.

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Product Parameters

  • Part Number 71952 ACD/HCP4A
  • 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 Available
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 59625 lbf
  • Static Radial Load 90000 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 6000 rpm
  • Weight 10.4 kg
  • Price（$） 651.132
Super Precision Angular Contact Ball Bearings 71952 ACD/HCP4A dimension drawing
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Features

Why Choose 71952 ACD/HCP4A Bearing for Precision Tasks?

71952 ACD/HCP4A Bearing features a 25° contact angle, ideal for handling combined radial and axial loads with precision.
Its chrome steel rings and ceramic balls reduce friction, ensuring smooth operation even at high speeds.

The phenolic cage maintains ball alignment, enhancing durability and performance in demanding applications.
With a dynamic radial load capacity of 59,625 lbf, it offers reliable strength for heavy-duty use.

71952 ACD/HCP4A Bearing operates efficiently within a temperature range of -30° to 110°C.
Its P4 tolerance class ensures high accuracy, making it suitable for precision machinery.

The open design allows for easy lubrication, reducing maintenance needs.
At a maximum speed of 6,000 rpm, it balances speed and stability effectively.

Application

Essential Roles of 71952 ACD/HCP4A Bearing
71952 ACD/HCP4A Bearing is widely used in high-precision machine tools, where its 25° contact angle ensures accurate radial and axial load handling. The ceramic balls reduce friction, making it suitable for high-speed spindle applications.

In aerospace components, 71952 ACD/HCP4A Bearing provides reliable performance in gearboxes and rotor systems. Its phenolic cage offers stability under varying temperatures, which is crucial for flight conditions.

For robotics, 71952 ACD/HCP4A Bearing’s matched arrangement and preload options enhance precision in articulated arms. The P4 tolerance class ensures consistent movement in automated assembly lines.

Medical imaging devices benefit from 71952 ACD/HCP4A Bearing’s smooth operation and low heat generation. The chrome steel rings and ceramic balls maintain performance in sensitive diagnostic equipment.

Q&A

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