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Super Precision Angular Contact Ball Bearings 7011 ACDGC/P4A

Super Precision Angular Contact Ball Bearings 7011 ACDGC/P4A

The 7011 ACDGC/P4A is a super precision angular contact ball bearing with a 55mm bore and 90mm outer diameter, crafted from high-grade chrome steel. It supports both radial and axial loads, with a dynamic radial load capacity of 8348 lbf.

Its 25° contact angle and phenolic cage ensure smooth operation at high speeds, up to 34,000 RPM. The open design allows for easy lubrication, enhancing its performance in demanding conditions.

This bearing is ideal for precision applications like machine tool spindles or high-speed motors. It operates efficiently in temperatures from -30°C to 110°C and comes in a universal matching set for versatile installation options.

Weighing 0.38kg, it’s a robust yet lightweight choice for industrial use. Compliant with P4A tolerance standards, it ensures reliable performance in critical setups.

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Product Parameters

  • Part Number 7011 ACDGC/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 Moderate / Class C
  • 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 ACDGC/P4A dimension drawing
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Features

Performance Features of 7011 ACDGC/P4A Bearing

7011 ACDGC/P4A Bearing is crafted with chrome steel rings and balls, offering high precision and durability.
Its 25° contact angle ensures optimal load distribution, enhancing performance in angular contact applications.
The phenolic cage maintains ball alignment, reducing friction and extending operational life.
With a dynamic radial load capacity of 8348 lbf, it handles demanding conditions effortlessly.

How Does 7011 ACDGC/P4A Bearing Achieve High-Speed Performance?

7011 ACDGC/P4A Bearing supports speeds up to 34,000 rpm, thanks to its precision-engineered design.
The chrome steel construction and phenolic cage work together to minimise heat generation and wear.
Its moderate preload (Class C) ensures smooth operation, even at high speeds.
The open seal type allows for efficient lubrication, further boosting performance.

Engineered for Precision: 7011 ACDGC/P4A Bearing

7011 ACDGC/P4A Bearing meets P4A tolerance standards, ensuring exceptional accuracy for critical applications.
The 18-ball design with 11.112 mm diameter balls provides balanced load distribution.
Its universal matching capability allows for flexible configurations like back-to-back or face-to-face arrangements.
With a static radial load of 6975 lbf, it delivers reliable performance under heavy loads.

Steel vs Ceramic Bearings: Strengths of 7011 ACDGC/P4A Bearing

7011 ACDGC/P4A Bearing uses chrome steel for both rings and balls, offering a cost-effective yet durable solution.
The material choice ensures excellent wear resistance and a temperature range of -30°C to 110°C.
Unlike ceramic options, it provides proven reliability in industrial applications without specialised handling.
The phenolic cage adds corrosion resistance while maintaining lightweight properties.

Application

Industrial Uses of 7011 ACDGC/P4A Bearing
7011 ACDGC/P4A Bearing is commonly used in machine tools, where its precision and moderate preload ensure accurate spindle rotation. The open design and phenolic cage make it suitable for high-speed operations in industrial settings.

Where Is 7011 ACDGC/P4A Bearing Used?
You’ll often find 7011 ACDGC/P4A Bearing in automotive applications like electric motors, where its angular contact design handles combined loads effectively. Its chrome steel construction also provides durability in demanding environments.

Perfect Fit for Automation: 7011 ACDGC/P4A Bearing
In robotics, 7011 ACDGC/P4A Bearing supports smooth movement in robotic arms, thanks to its high-speed capability and precise tolerance. The lubricated design ensures consistent performance over long periods.

Medical vs Industrial: Where 7011 ACDGC/P4A Bearing Excels
7011 ACDGC/P4A Bearing is ideal for medical imaging equipment, where its low vibration and high precision are crucial. In industrial settings, it’s equally effective in conveyor systems requiring reliable angular contact support.

Light-Duty vs Heavy-Duty: Best Uses for 7011 ACDGC/P4A Bearing
For light-duty applications like printers, 7011 ACDGC/P4A Bearing offers quiet operation and longevity. In heavy-duty scenarios, such as pumps, its robust design handles higher loads with ease.

Q&A

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