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Super Precision Angular Contact Ball Bearings 71911 CD/P4ADGB

Super Precision Angular Contact Ball Bearings 71911 CD/P4ADGB

The 71911 CD/P4ADGB is a super precision angular contact ball bearing, measuring 55mm by 80mm by 26mm. Made from chrome steel, it handles radial loads up to 7020 lbf and spins smoothly at speeds up to 34,000 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 durability.

With a P4A tolerance class, it offers high precision for demanding applications. Ideal for machine tools or high-speed spindles where accuracy is key.

Weighing 0.36kg, it comes as a matched set of two bearings. Works well in temperatures from -30°C to 110°C and is interchangeable with SKF models.

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Product Parameters

  • Part Number 71911 CD/P4ADGB
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 55 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 80 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 26 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 7.938 mm
  • Ball Qty 23
  • Contact Angle 15°
  • Tolerance Class P4A
  • 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 Light / Class B
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 7020 lbf
  • Static Radial Load 6525 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 34000 rpm
  • Weight 0.36 kg
  • Price（$） 174.276
Super Precision Angular Contact Ball Bearings 71911 CD/P4ADGB dimension drawing
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Features

Performance Features of 71911 CD/P4ADGB Bearing

71911 CD/P4ADGB Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and noise.

With a dynamic radial load capacity of 7020 lbf, it handles demanding conditions efficiently.
The P4A tolerance class guarantees high precision, making it suitable for critical tasks.

Operating at speeds up to 34,000 rpm, it maintains smooth performance.
Its universal matching design allows flexible arrangements like back-to-back or face-to-face setups.

Application

Industrial Uses of 71911 CD/P4ADGB Bearing
71911 CD/P4ADGB Bearing is commonly used in high-precision machine tools, where its 15° contact angle ensures accurate radial and axial load handling. The universal matching design allows flexible arrangements, making it suitable for complex setups.

In automotive applications, 71911 CD/P4ADGB Bearing supports high-speed components like turbochargers and gearboxes. Its phenolic cage reduces friction, enhancing performance under demanding conditions.

For automation systems, 71911 CD/P4ADGB Bearing is ideal for robotic arms and CNC machinery, thanks to its P4A tolerance class. The chrome steel construction provides durability in continuous operation.

Medical imaging devices benefit from 71911 CD/P4ADGB Bearing’s smooth operation and low vibration. The lubricated design ensures quiet performance, critical in sensitive environments.

In consumer electronics, 71911 CD/P4ADGB Bearing can be found in high-end printers and scanners. Its lightweight phenolic cage contributes to efficient, long-lasting performance.

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