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Super Precision Angular Contact Ball Bearings 7208 ACD/P4AQBTB

Super Precision Angular Contact Ball Bearings 7208 ACD/P4AQBTB

The 7208 ACD/P4AQBTB is a super precision angular contact ball bearing with a 40mm bore and 80mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 19170 lbf and spins smoothly at speeds up to 41000 RPM.

Its 25° contact angle and matched set of four bearings provide excellent stability for angular loads. The phenolic cage ensures quiet operation and long service life.

This bearing is preloaded for light applications and works in temperatures from -30°C to 110°C. Ideal for high-precision machinery like spindles or CNC equipment where accuracy is key.

Weighing 1.49kg, it’s robust yet manageable. Compliant with P4A tolerance standards for reliable performance. Interchangeable with SKF bearings for easy replacement.

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Product Parameters

  • Part Number 7208 ACD/P4AQBTB
  • 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 72 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 4 bearings <>>> QBT
  • Number Of Bearings In Matched Set 4
  • 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 19170 lbf
  • Static Radial Load 20588 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 41000 rpm
  • Weight 1.49 kg
Super Precision Angular Contact Ball Bearings 7208 ACD/P4AQBTB dimension drawing
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Features

Why Choose 7208 ACD/P4AQBTB Bearing for Precision Tasks?

7208 ACD/P4AQBTB Bearing features a 25° contact angle, ideal for handling combined radial and axial loads with precision.
Its P4A tolerance class ensures high accuracy, making it suitable for demanding applications.
The phenolic cage maintains ball alignment, reducing friction and enhancing performance.
With a maximum speed of 41,000 rpm, it delivers reliable operation in high-speed environments.

Application

Industrial Uses of 7208 ACD/P4AQBTB Bearing
7208 ACD/P4AQBTB Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The phenolic cage reduces friction, making it suitable for long operational cycles.

Where Is 7208 ACD/P4AQBTB Bearing Used?
In automotive applications, 7208 ACD/P4AQBTB Bearing supports gearbox systems, providing smooth performance under angular loads. Its metric sizing ensures compatibility with a variety of vehicle designs.

Built for Heavy-Duty Use: 7208 ACD/P4AQBTB Bearing
7208 ACD/P4AQBTB Bearing excels in robotics, particularly in robotic arms requiring precise movement. The chrome steel construction offers durability in high-speed environments.

Medical vs Industrial: Where 7208 ACD/P4AQBTB Bearing Excels
7208 ACD/P4AQBTB Bearing is ideal for medical imaging devices, where its low friction and high precision are critical. In industrial settings, it handles heavy loads in conveyor systems effectively.

Perfect Fit for Automation: 7208 ACD/P4AQBTB Bearing
7208 ACD/P4AQBTB Bearing is a reliable choice for automated production lines, ensuring consistent performance. Its light preload design minimizes wear, extending service life.

Q&A

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