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Super Precision Angular Contact Ball Bearings 7011 ACD/P4ATBTA

Super Precision Angular Contact Ball Bearings 7011 ACD/P4ATBTA

The 7011 ACD/P4ATBTA is a super precision angular contact ball bearing with a 55mm bore and 90mm outer diameter, crafted from high-quality chrome steel. It handles radial loads up to 18135 lbf and operates smoothly at speeds up to 34000 RPM.

Its 25° contact angle and matched arrangement of three bearings (TBT) provide excellent stability and precision. The phenolic cage ensures durability and reduced friction during high-speed rotations.

Designed for extra light preload (Class A), this bearing is ideal for applications requiring high accuracy, such as machine tool spindles or precision instruments. It performs reliably in temperatures from -30°C to 110°C.

Weighing 1.13kg, it’s a robust yet manageable option for demanding setups. Compliant with P4A tolerance standards, it’s interchangeable with SKF bearings for easy replacements.

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Product Parameters

  • Part Number 7011 ACD/P4ATBTA
  • 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 54 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 11.112 mm
  • Ball Qty 18
  • 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 Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 18135 lbf
  • Static Radial Load 20925 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 34000 rpm
  • Weight 1.13 kg
Super Precision Angular Contact Ball Bearings 7011 ACD/P4ATBTA dimension drawing
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Features

Performance Features of 7011 ACD/P4ATBTA Bearing

7011 ACD/P4ATBTA 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 wear.

With a dynamic radial load capacity of 18135 lbf, it handles demanding conditions with ease.

The P4A tolerance class guarantees high precision, making it suitable for super precision tasks.

Application

Key Fields for 7011 ACD/P4ATBTA Bearing
7011 ACD/P4ATBTA 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 demanding industrial applications.

In aerospace components, 7011 ACD/P4ATBTA Bearing handles both radial and axial loads efficiently, making it suitable for helicopter transmissions. Its phenolic cage offers lightweight durability under high-speed conditions.

For robotics, 7011 ACD/P4ATBTA Bearing’s extra light preload allows smooth movement in articulated arms. The P4A tolerance class ensures consistent performance in automated assembly lines.

Medical imaging devices benefit from 7011 ACD/P4ATBTA Bearing’s low vibration and high-speed capabilities. The chrome steel construction maintains precision in sensitive diagnostic equipment.

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