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Super Precision Angular Contact Ball Bearings 7011 CD/P4AQBCB

Super Precision Angular Contact Ball Bearings 7011 CD/P4AQBCB

The 7011 CD/P4AQBCB 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 23400 lbf and operates smoothly at speeds up to 34000 RPM.

Its 15° contact angle and matched set of four bearings ensure stability and precision in demanding applications. The phenolic cage offers durability while the open design allows for easy lubrication.

This bearing is ideal for high-speed machinery like spindles or CNC equipment, where accuracy is crucial. It performs reliably in temperatures ranging from -30°C to 110°C.

Weighing 1.51kg, it’s a robust choice for industrial use. Compliant with precision class P4A, it’s interchangeable with SKF bearings for convenient replacements.

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Product Parameters

  • Part Number 7011 CD/P4AQBCB
  • 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 72 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 4 bearings <<>> QBC
  • Number Of Bearings In Matched Set 4
  • Universal Matching Bearing No
  • Preload Light / Class B
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 23400 lbf
  • Static Radial Load 29025 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 34000 rpm
  • Weight 1.51 kg
Super Precision Angular Contact Ball Bearings 7011 CD/P4AQBCB dimension drawing
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Features

Performance Features of 7011 CD/P4AQBCB Bearing

7011 CD/P4AQBCB Bearing is designed with a 15° contact angle, optimising load distribution for precision applications.
Its chrome steel rings and balls ensure durability and smooth operation under high radial loads.

The phenolic cage maintains ball alignment, reducing friction and enhancing performance.
With a dynamic radial load capacity of 23,400 lbf, it handles demanding conditions reliably.

7011 CD/P4AQBCB Bearing operates at speeds up to 34,000 rpm, balancing speed and stability.
Its P4A tolerance class ensures high precision, making it suitable for critical applications.

The matched arrangement of four bearings provides consistent performance in angular contact setups.
Its temperature range of -30°C to 110°C allows use in varied environments.

Application

Key Fields for 7011 CD/P4AQBCB Bearing
7011 CD/P4AQBCB Bearing is commonly used in high-precision machine tools, where its 15° contact angle ensures accurate alignment and smooth operation. The matched set of four bearings provides stability in demanding applications like CNC spindles.

In robotics, 7011 CD/P4AQBCB Bearing supports articulated arms, offering reliable performance due to its phenolic cage and chrome steel construction. Its light preload makes it ideal for precise, repetitive movements.

For aerospace components, 7011 CD/P4AQBCB Bearing handles both radial and axial loads efficiently, thanks to its P4A tolerance class. The open design allows for easy lubrication, extending service life in critical systems.

Automotive testing equipment benefits from 7011 CD/P4AQBCB Bearing’s high-speed capability, with a max speed of 34,000 rpm. Its durability ensures consistent performance in rigorous testing environments.

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