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Super Precision Angular Contact Ball Bearings 7011 CD/PA9ADGA

Super Precision Angular Contact Ball Bearings 7011 CD/PA9ADGA

The 7011 CD/PA9ADGA is a super precision angular contact ball bearing with a 55mm bore and 90mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 14332 lbf and operates smoothly at speeds up to 34000 RPM.

Its 15° contact angle and universal matching design allow flexible arrangements like back-to-back or face-to-face. The phenolic cage ensures quiet operation and long service life.

Preloaded for extra light performance, this bearing is ideal for high-speed applications like machine tool spindles or precision instruments. It works reliably in temperatures from -30°C to 110°C.

Weighing 0.76kg, it comes as a matched set of two bearings for balanced performance. Compliant with PA9A tolerance standards, it’s interchangeable with SKF models for easy replacement.

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Product Parameters

  • Part Number 7011 CD/PA9ADGA
  • 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 PA9A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement Universal matching
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • 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/PA9ADGA dimension drawing
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Features

Performance Features of 7011 CD/PA9ADGA Bearing

7011 CD/PA9ADGA Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure high durability and resistance to wear.

The phenolic cage in 7011 CD/PA9ADGA Bearing reduces friction and allows smooth operation at high speeds.
With a maximum speed of 34,000 rpm, it delivers reliable performance in demanding conditions.

7011 CD/PA9ADGA Bearing’s universal matching design offers flexibility in arrangement, supporting back-to-back or face-to-face configurations.
This feature enhances its adaptability in various precision applications.

The extra light preload of 7011 CD/PA9ADGA Bearing ensures minimal friction while maintaining precision.
Its dynamic radial load capacity of 14,332 lbf makes it suitable for heavy-duty operations.

7011 CD/PA9ADGA Bearing operates efficiently within a temperature range of -30°C to 110°C.
This makes it reliable in diverse environmental conditions.

Application

Industrial Uses of 7011 CD/PA9ADGA Bearing
7011 CD/PA9ADGA Bearing is commonly used in high-speed machine tools, where its 15° contact angle ensures precise radial and axial load handling. The open design and phenolic cage make it suitable for applications requiring minimal friction and heat generation.

Where Is 7011 CD/PA9ADGA Bearing Used?
In automotive transmissions, 7011 CD/PA9ADGA Bearing supports smooth operation under high rotational speeds. Its universal matching feature allows for flexible arrangements, making it a reliable choice for performance-oriented systems.

Optimized for Performance: 7011 CD/PA9ADGA Bearing
For robotics and automation, 7011 CD/PA9ADGA Bearing offers excellent stability in articulated arms and precision mechanisms. The extra light preload ensures consistent performance in dynamic applications.

Medical vs Industrial: Where 7011 CD/PA9ADGA Bearing Excels
In medical imaging devices, 7011 CD/PA9ADGA Bearing provides quiet and reliable operation. Its chrome steel construction and high-speed capability also make it ideal for industrial pumps and compressors.

Practical Applications of 7011 CD/PA9ADGA Bearing
7011 CD/PA9ADGA Bearing is a go-to for aerospace applications, such as helicopter rotor systems, due to its high dynamic load capacity. The matched set option further enhances its versatility in critical setups.

Q&A

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