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Super Precision Angular Contact Ball Bearings 71952 ACD/HCP4ATBTA

Super Precision Angular Contact Ball Bearings 71952 ACD/HCP4ATBTA

The 71952 ACD/HCP4ATBTA is a super precision angular contact ball bearing with a 260mm bore and 360mm outer diameter, crafted from high-quality chrome steel and ceramic balls. It handles 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 durability, while the open design allows for easy lubrication.

This bearing is ideal for high-precision applications like machine tool spindles or aerospace equipment. With a temperature range of -30°C to 110°C, it performs reliably in various conditions.

Weighing 31.2kg, it’s a robust choice for heavy-duty use. Compliant with P4A tolerance standards, it’s interchangeable with SKF bearings for easy replacement.

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Product Parameters

  • Part Number 71952 ACD/HCP4ATBTA
  • 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 Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • 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 31.2 kg
Super Precision Angular Contact Ball Bearings 71952 ACD/HCP4ATBTA dimension drawing
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Features

Performance Features of 71952 ACD/HCP4ATBTA Bearing

71952 ACD/HCP4ATBTA Bearing is designed with a 25° contact angle, optimising load distribution for precision applications.
Its chrome steel rings and ceramic balls enhance durability while reducing friction.

The phenolic cage maintains ball alignment, ensuring smooth operation even at high speeds.
With a dynamic radial load capacity of 128,700 lbf, it handles demanding conditions reliably.

71952 ACD/HCP4ATBTA Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its extra light preload (Class A) ensures consistent performance in matched arrangements.

The open seal design allows for easy lubrication, extending maintenance intervals.
Weighing 31.2 kg, it balances robustness with precision engineering.

Application

Key Fields for 71952 ACD/HCP4ATBTA Bearing
71952 ACD/HCP4ATBTA Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The ceramic balls reduce friction, making it suitable for high-speed operations.

In aerospace applications, 71952 ACD/HCP4ATBTA Bearing supports critical components like turbine shafts, thanks to its extra-light preload and P4A tolerance class. The phenolic cage adds durability in demanding environments.

For medical imaging devices, 71952 ACD/HCP4ATBTA Bearing’s chrome steel rings provide stability and long service life. Its matched arrangement of three bearings ensures consistent performance in precision equipment.

Automotive vs Aerospace: Applications of 71952 ACD/HCP4ATBTA Bearing
In automotive systems, 71952 ACD/HCP4ATBTA Bearing is ideal for high-performance gearboxes, where its angular contact design handles combined loads effectively. The metric sizing ensures compatibility with various vehicle models.

For aerospace, 71952 ACD/HCP4ATBTA Bearing excels in landing gear systems, offering reliability under extreme conditions. The ceramic balls and phenolic cage enhance its performance in high-stress scenarios.

Industrial Uses of 71952 ACD/HCP4ATBTA Bearing
71952 ACD/HCP4ATBTA Bearing is a go-to choice for industrial robots, providing smooth motion in articulated arms. Its open design allows for easy lubrication, extending service intervals.

In conveyor systems, 71952 ACD/HCP4ATBTA Bearing’s high dynamic radial load capacity ensures reliable operation under heavy loads. The P4A tolerance class guarantees precision in positioning applications.

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