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Super Precision Angular Contact Ball Bearings S7211 ACD/P4ADBB

Super Precision Angular Contact Ball Bearings S7211 ACD/P4ADBB

The S7211 ACD/P4ADBB is a super precision angular contact ball bearing with a 55mm bore and 100mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 19170 lbf and operates smoothly at speeds up to 34000 RPM.

Its sealed design keeps grease in and contaminants out, while the phenolic cage ensures quiet, long-lasting performance. The 25° contact angle and matched arrangement (2 bearings DB) provide excellent stability for angular loads.

This bearing is ideal for high-precision applications like machine tool spindles or robotics, where accuracy and low friction are key. It works in temperatures from -30°C to 110°C and comes pre-lubricated for easy installation.

Weighing 1.25kg, it’s a robust choice for demanding environments. Compliant with P4A tolerance standards, it’s interchangeable with SKF bearings for seamless replacements.

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Product Parameters

  • Part Number S7211 ACD/P4ADBB
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 55 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 100 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 42 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 14.288 mm
  • Ball Qty 15
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement 2 bearings <> DB
  • Number Of Bearings In Matched Set 2
  • 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 18338 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 34000 rpm
  • Weight 1.25 kg
Super Precision Angular Contact Ball Bearings S7211 ACD/P4ADBB dimension drawing
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Features

Why Choose S7211 ACD/P4ADBB Bearing for Precision Tasks?

S7211 ACD/P4ADBB Bearing features a 25° contact angle, ideal for handling combined radial and axial loads with high precision.
Its matched arrangement of two bearings ensures stability and accuracy in demanding applications.

The chrome steel rings and balls provide durability, while the phenolic cage reduces friction for smoother operation.
With a maximum speed of 34,000 rpm, it delivers reliable performance in high-speed environments.

S7211 ACD/P4ADBB Bearing’s sealed design protects against contaminants, extending its service life.
Its light preload and P4A tolerance class make it suitable for precision machinery.

Application

Industrial Uses of S7211 ACD/P4ADBB Bearing
S7211 ACD/P4ADBB Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The sealed construction helps maintain performance in environments with dust or debris.

What Makes S7211 ACD/P4ADBB Bearing a Preferred Choice?
In robotics, S7211 ACD/P4ADBB Bearing provides smooth motion control for articulated arms, thanks to its light preload and matched arrangement. The phenolic cage reduces friction, enhancing efficiency in repetitive tasks.

Perfect Fit for Automation: S7211 ACD/P4ADBB Bearing
S7211 ACD/P4ADBB Bearing works well in automated production lines, supporting high-speed operations with minimal vibration. Its grease lubrication ensures long service life without frequent maintenance.

Medical vs Industrial: Where S7211 ACD/P4ADBB Bearing Excels
For medical imaging devices, S7211 ACD/P4ADBB Bearing offers quiet and precise movement, crucial for diagnostic accuracy. In industrial settings, its robust design handles heavy radial loads in gearboxes and pumps.

Q&A

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