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Super Precision Angular Contact Ball Bearings 7011 CD/P4ADFA

Super Precision Angular Contact Ball Bearings 7011 CD/P4ADFA

The 7011 CD/P4ADFA 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 14332 lbf and operates smoothly at speeds up to 34000 RPM.

Its 15° contact angle and matched arrangement (DF) provide excellent stability for angular loads, while the phenolic cage ensures quiet and efficient performance. The extra light preload (Class A) makes it ideal for precision applications.

This bearing comes lubricated and works well in temperatures from -30°C to 110°C. It’s interchangeable with SKF bearings, offering a reliable replacement option.

Weighing 0.76kg, it’s a robust choice for high-speed machinery like spindles or CNC equipment. The P4A tolerance class ensures top-tier accuracy for demanding tasks.

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Product Parameters

  • Part Number 7011 CD/P4ADFA
  • 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 11.112 mm
  • Ball Qty 18
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement 2 bearings >< DF
  • Number Of Bearings In Matched Set 2
  • 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 14332 lbf
  • Static Radial Load 14738 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 34000 rpm
  • Weight 0.76 kg
Super Precision Angular Contact Ball Bearings 7011 CD/P4ADFA dimension drawing
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Features

Performance Features of 7011 CD/P4ADFA Bearing

7011 CD/P4ADFA Bearing is designed with a 15° contact angle, ideal for handling combined radial and axial loads.
Its chrome steel construction ensures durability and high performance in precision applications.

The matched DF arrangement of two bearings enhances stability and load distribution.
With a dynamic radial load capacity of 14332 lbf, it operates reliably under demanding conditions.

7011 CD/P4ADFA Bearing achieves a maximum speed of 34,000 rpm, making it suitable for high-speed applications.
The phenolic cage reduces friction and maintains smooth operation over time.

Its P4A tolerance class guarantees exceptional precision and consistent performance.
The open design allows for easy lubrication, ensuring long service life with minimal maintenance.

Application

Industrial Uses of 7011 CD/P4ADFA Bearing
This bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The matched arrangement (DF) provides stability for demanding operations like milling and grinding.

Where Is 7011 CD/P4ADFA Bearing Used?
You’ll often find it in automotive transmissions, where its extra-light preload reduces friction and improves efficiency. The phenolic cage also helps dampen vibrations, making it ideal for smooth gear shifts.

Built for Heavy-Duty Use: 7011 CD/P4ADFA Bearing
It’s a reliable choice for industrial pumps, handling both radial and axial loads with ease. The chrome steel construction ensures long service life even in harsh, high-speed environments.

Medical vs Industrial: Where 7011 CD/P4ADFA Bearing Excels
In medical imaging devices, its P4A tolerance class guarantees quiet, precise movement. For industrial robotics, the high-speed capability (34,000 rpm) supports agile, repetitive motions without wear.

Perfect Fit for Automation: 7011 CD/P4ADFA Bearing
This model works well in CNC machinery, where its low friction and thermal stability maintain accuracy over long runs. The open design allows for easy relubrication, reducing downtime.

Q&A

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