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Super Precision Angular Contact Ball Bearings 71956 ACD/P4ATBTB

Super Precision Angular Contact Ball Bearings 71956 ACD/P4ATBTB

The 71956 ACD/P4ATBTB is a super precision angular contact ball bearing with a 280mm bore and 380mm outer diameter, crafted from high-quality chrome steel. It handles radial loads up to 133200 lbf and operates smoothly at speeds up to 7500 RPM.

With a 25° contact angle and open design, it offers excellent performance in high-precision applications. The phenolic cage ensures durability and reduces friction, making it ideal for demanding environments.

This bearing comes in a matched set of three, arranged in a TBT configuration, providing balanced load distribution. It works well in temperatures ranging from -30°C to 110°C.

Weighing 38.7kg, it’s suited for heavy-duty machinery like spindles or CNC equipment where precision and reliability are crucial. Compliant with P4A tolerance standards for consistent performance.

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Product Parameters

  • Part Number 71956 ACD/P4ATBTB
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 280 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 380 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 138 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 30.162 mm
  • Ball Qty 31
  • 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 133200 lbf
  • Static Radial Load 290250 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 7500 rpm
  • Weight 38.7 kg
Super Precision Angular Contact Ball Bearings 71956 ACD/P4ATBTB dimension drawing
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Features

Performance Features of 71956 ACD/P4ATBTB Bearing

71956 ACD/P4ATBTB Bearing is designed with a 25° contact angle, optimising load distribution for precision applications.
The chrome steel rings and balls ensure durability and resistance to wear under high radial loads.

With a dynamic radial load capacity of 133200 lbf, it handles demanding operations smoothly.
The phenolic cage maintains ball alignment, reducing friction and enhancing performance.

Its matched arrangement of three bearings provides stability in high-speed applications.
The P4A tolerance class guarantees precise operation, making it ideal for critical machinery.

Operating within a temperature range of -30°C to 110°C, it performs reliably in various conditions.
The lubricated design ensures consistent performance with minimal maintenance.

Application

Industrial Uses of 71956 ACD/P4ATBTB Bearing
71956 ACD/P4ATBTB Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation.
The matched arrangement of three bearings provides stability in heavy-duty milling and grinding applications.

What Makes 71956 ACD/P4ATBTB Bearing a Preferred Choice?
In aerospace applications, 71956 ACD/P4ATBTB Bearing handles radial and axial loads in turbine systems with reliable performance.
Its phenolic cage reduces friction, making it suitable for high-speed operations.

Built for Heavy-Duty Use: 71956 ACD/P4ATBTB Bearing
For large industrial pumps, 71956 ACD/P4ATBTB Bearing offers durability under continuous radial loads.
The chrome steel construction ensures long service life even in demanding environments.

Automotive vs Aerospace: Applications of 71956 ACD/P4ATBTB Bearing
In automotive testing equipment, 71956 ACD/P4ATBTB Bearing provides precise motion control for durability testing rigs.
For aerospace, it supports critical components in flight control systems where reliability is essential.

Perfect Fit for Automation: 71956 ACD/P4ATBTB Bearing
71956 ACD/P4ATBTB Bearing is ideal for robotic arms in automated assembly lines, ensuring smooth and precise movement.
The light preload class enhances performance in repetitive motion scenarios.

Q&A

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