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Super Precision Angular Contact Ball Bearings 7011 ACDGD/P4A

Super Precision Angular Contact Ball Bearings 7011 ACDGD/P4A

The 7011 ACDGD/P4A is a super precision angular contact ball bearing with a 55mm bore and 90mm outer diameter, crafted from durable chrome steel. It handles heavy radial loads up to 8348 lbf and spins smoothly at speeds up to 34,000 RPM.

With a 25° contact angle and heavy preload, it offers excellent stability for high-precision applications. The open design and phenolic cage ensure reliable performance in temperatures from -30°C to 110°C.

This bearing is ideal for machine tools or spindle systems where precision and durability are key. It can be paired in back-to-back, face-to-face, or tandem arrangements for versatile use.

Weighing just 0.38kg, it’s a robust yet lightweight choice for demanding industrial environments. Compliant with P4A tolerance standards for consistent accuracy.

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Product Parameters

  • Part Number 7011 ACDGD/P4A
  • 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 18 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 No
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Heavy / Class D
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 8348 lbf
  • Static Radial Load 6975 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 34000 rpm
  • Weight 0.38 kg
Super Precision Angular Contact Ball Bearings 7011 ACDGD/P4A dimension drawing
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Features

Performance Features of 7011 ACDGD/P4A Bearing

7011 ACDGD/P4A Bearing is designed with a 25° contact angle, optimising its ability to handle combined radial and axial loads.
The chrome steel rings and balls ensure durability and resistance to wear in high-speed applications.

With a dynamic radial load capacity of 8348 lbf, this bearing performs reliably under heavy loads.
Its phenolic cage maintains ball alignment, reducing friction and enhancing operational smoothness.

7011 ACDGD/P4A Bearing can reach speeds up to 34,000 rpm, making it suitable for precision machinery.
The P4A tolerance class ensures high accuracy, which is essential for demanding industrial applications.

Operating within a temperature range of -30°C to 110°C, this bearing adapts to various environments.
Its open design allows for easy lubrication, ensuring consistent performance over time.

Application

How Does 7011 ACDGD/P4A Bearing Improve Performance?
7011 ACDGD/P4A Bearing is widely used in high-speed machine tools, where its angular contact design ensures precise alignment under heavy loads. The phenolic cage reduces friction, making it ideal for continuous operation.

In automotive applications, 7011 ACDGD/P4A Bearing enhances the performance of gearboxes and differential systems. Its chrome steel construction provides durability, while the P4A tolerance class ensures consistent accuracy.

For robotics, 7011 ACDGD/P4A Bearing offers reliable support in articulated arms and precision joints. The open design allows for easy lubrication, extending the bearing’s lifespan in demanding environments.

Medical imaging devices benefit from 7011 ACDGD/P4A Bearing’s smooth operation and low noise levels. The heavy preload ensures stability, crucial for maintaining accuracy in sensitive equipment.

In aerospace applications, 7011 ACDGD/P4A Bearing handles high radial and axial loads in control systems. Its temperature range and lubrication compatibility make it suitable for varied operating conditions.

Q&A

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