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Super Precision Angular Contact Ball Bearings S7011 ACE/P4ADBB

Super Precision Angular Contact Ball Bearings S7011 ACE/P4ADBB

The S7011 ACE/P4ADBB is a super precision angular contact ball bearing with a 55mm bore and 90mm outer diameter, crafted from high-quality chrome steel. It features a 25° contact angle and comes in a matched pair for balanced performance.

This bearing handles radial loads up to 5850 lbf and operates smoothly at speeds up to 34,000 RPM. Its sealed design keeps grease in place, reducing maintenance needs.

The phenolic cage ensures durability, while the P4A tolerance class guarantees precise operation. Ideal for high-speed applications like machine tool spindles or precision instruments.

Weighing 0.81kg, it’s robust yet manageable. Suitable for temperatures from -30°C to 110°C, making it versatile for various industrial uses.

The matched pair arrangement (DB) provides stability under angular loads, ensuring reliable performance in demanding conditions.

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Product Parameters

  • Part Number S7011 ACE/P4ADBB
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 55 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 90 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 36 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 7.938 mm
  • Ball Qty 24
  • 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 5850 lbf
  • Static Radial Load 5220 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 34000 rpm
  • Weight 0.81 kg
Super Precision Angular Contact Ball Bearings S7011 ACE/P4ADBB dimension drawing
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Features

How Does S7011 ACE/P4ADBB Bearing Achieve Super Precision?

S7011 ACE/P4ADBB Bearing features a 25° contact angle, optimised for high-precision angular contact applications.
Its matched DB arrangement with two bearings ensures balanced load distribution and smooth operation.

The chrome steel rings and balls provide durability, while the phenolic cage reduces friction and noise.
With a maximum speed of 34,000 rpm, it delivers reliable performance in demanding conditions.

S7011 ACE/P4ADBB Bearing’s P4A tolerance class guarantees exceptional accuracy for precision machinery.
Its grease lubrication ensures long service life with minimal maintenance requirements.

Application

Industrial Uses of S7011 ACE/P4ADBB Bearing
S7011 ACE/P4ADBB Bearing is commonly used in high-speed machine tools, where its precision and light preload ensure smooth operation. The sealed design helps keep contaminants out, extending the bearing’s lifespan in demanding environments.

In automotive applications, S7011 ACE/P4ADBB Bearing supports components like electric motors and gearboxes, thanks to its angular contact design. The matched arrangement of two bearings provides stability under varying loads.

For medical imaging devices, S7011 ACE/P4ADBB Bearing’s phenolic cage and chrome steel construction offer reliable performance. Its high-speed capability makes it suitable for rotating components in diagnostic equipment.

Automation systems benefit from S7011 ACE/P4ADBB Bearing’s low friction and precise tolerance. It’s often found in robotic arms and CNC machines, where accuracy is key.

In consumer electronics, S7011 ACE/P4ADBB Bearing can be used in high-performance cooling fans. Its grease lubrication ensures quiet operation, making it ideal for noise-sensitive applications.

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