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Super Precision Angular Contact Ball Bearings 7208 ACD/P4ATBTC

Super Precision Angular Contact Ball Bearings 7208 ACD/P4ATBTC

The 7208 ACD/P4ATBTC is a super precision angular contact ball bearing with a 40mm bore and 80mm outer diameter, crafted from high-quality chrome steel. It handles radial loads up to 15502 lbf and operates smoothly at speeds up to 41000 RPM.

Its 25° contact angle and matched arrangement of three bearings (TBT) provide excellent stability under angular loads. The phenolic cage ensures quiet and efficient performance, while the open design allows for easy lubrication.

This bearing is ideal for high-precision applications like machine tool spindles or robotics, where accuracy and durability are key. It works well in temperatures ranging from -30°C to 110°C.

Weighing 1.12kg, it’s a robust yet manageable component for demanding setups. Compliant with P4A tolerance standards, it’s interchangeable with SKF bearings for easy replacement.

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Product Parameters

  • Part Number 7208 ACD/P4ATBTC
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 40 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 80 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 54 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 11.112 mm
  • Ball Qty 14
  • 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 Moderate / Class C
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 15502 lbf
  • Static Radial Load 15638 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 41000 rpm
  • Weight 1.12 kg
Super Precision Angular Contact Ball Bearings 7208 ACD/P4ATBTC dimension drawing
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Features

Performance Features of 7208 ACD/P4ATBTC Bearing

7208 ACD/P4ATBTC Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and noise.
The bearing set includes three matched units, providing balanced performance in demanding conditions.
With a dynamic radial load capacity of 15502 lbf, it handles high-speed operations up to 41,000 rpm reliably.

Application

Industrial Uses of 7208 ACD/P4ATBTC Bearing
7208 ACD/P4ATBTC Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The matched set arrangement provides stability for demanding industrial applications.

In automotive systems, 7208 ACD/P4ATBTC Bearing supports high-speed components like turbochargers and transmission shafts. Its moderate preload helps maintain performance under varying loads.

For robotics, 7208 ACD/P4ATBTC Bearing offers smooth motion control in articulated arms and joints. The phenolic cage reduces friction, making it suitable for repetitive movements.

Where Is 7208 ACD/P4ATBTC Bearing Used?
7208 ACD/P4ATBTC Bearing finds its place in medical imaging devices, where precision and reliability are essential. The chrome steel construction ensures long-lasting performance in critical environments.

In automation equipment, 7208 ACD/P4ATBTC Bearing helps maintain alignment in conveyor systems and assembly lines. Its open design allows for easy lubrication and maintenance.

Built for Heavy-Duty Use: 7208 ACD/P4ATBTC Bearing
7208 ACD/P4ATBTC Bearing is ideal for aerospace applications, such as helicopter rotor systems, where high-speed performance is crucial. The P4A tolerance class guarantees consistent operation.

For consumer electronics, 7208 ACD/P4ATBTC Bearing ensures quiet and efficient operation in devices like high-end printers. Its balanced design minimises vibration and noise.

Automotive vs Aerospace: Applications of 7208 ACD/P4ATBTC Bearing
In automotive settings, 7208 ACD/P4ATBTC Bearing handles the demands of high-performance engines and drivetrains. The angular contact design manages both radial and axial loads effectively.

In aerospace, 7208 ACD/P4ATBTC Bearing supports critical flight control systems, where reliability is non-negotiable. The matched set configuration enhances precision in extreme conditions.

Q&A

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