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Super Precision Angular Contact Ball Bearings S7011 ACE/P4A

Super Precision Angular Contact Ball Bearings S7011 ACE/P4A

The S7011 ACE/P4A 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 3578 lbf and operates smoothly at speeds up to 19,000 RPM.

Its 25° contact angle and sealed design ensure reliable performance under angular loads, while the phenolic cage reduces friction. The bearing comes pre-lubricated for immediate use and works in temperatures from -30°C to 110°C.

This model is interchangeable with SKF bearings and meets P4 (ABEC-7) tolerance standards for precision applications. Ideal for machine tools or high-speed spindles where accuracy is key.

Weighing 0.4kg, it’s a sturdy yet compact choice for demanding setups. Available in matched sets for paired mounting needs.

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Product Parameters

  • Part Number S7011 ACE/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 55 mm
  • Bore Dia Tolerance -0.007mm to 0
  • Outer Dia 90 mm
  • Outer Dia Tolerance -0.008mm to 0
  • Width 18 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 7.938 mm
  • Ball Qty 24
  • Contact Angle 25°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement Available
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 3578 lbf
  • Static Radial Load 2610 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 19000 rpm
  • Weight 0.4 kg
  • Price（$） 398.583
Super Precision Angular Contact Ball Bearings S7011 ACE/P4A dimension drawing
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Features

Why Choose S7011 ACE/P4A Bearing for Precision Tasks?

S7011 ACE/P4A Bearing features a 25° contact angle, optimised for high-precision angular contact applications.
Its chrome steel rings and balls ensure durability and smooth operation under dynamic radial loads up to 3578 lbf.

The phenolic cage maintains ball alignment, reducing friction and noise during high-speed rotation.
With a maximum speed of 19,000 rpm, it delivers reliable performance in demanding conditions.

S7011 ACE/P4A Bearing’s sealed design protects against contaminants, extending its service life.
Its P4 tolerance class guarantees precision, making it suitable for critical applications.

Application

Key Fields for S7011 ACE/P4A Bearing
S7011 ACE/P4A 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.

In robotics, S7011 ACE/P4A Bearing supports articulated arms, providing smooth movement and reliability during repetitive tasks. Its phenolic cage reduces friction, making it suitable for high-speed applications.

For medical imaging devices, S7011 ACE/P4A Bearing’s P4 tolerance class ensures minimal vibration, crucial for clear diagnostic results. The chrome steel construction also offers long-term durability in demanding clinical settings.

Automotive applications like electric vehicle motors benefit from S7011 ACE/P4A Bearing’s ability to handle combined radial and axial loads. The lubricated design further enhances its performance in continuous operation.

In aerospace systems, S7011 ACE/P4A Bearing’s matched arrangement option allows for precise alignment in critical components. Its temperature range makes it adaptable to various operational conditions.

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