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Super Precision Angular Contact Ball Bearings 71930 CD/P4ADGA

Super Precision Angular Contact Ball Bearings 71930 CD/P4ADGA

The 71930 CD/P4ADGA is a super precision angular contact ball bearing with a 150mm bore and 210mm outer diameter, crafted from high-quality chrome steel. It handles radial loads up to 41850 lbf and operates smoothly at speeds up to 11000 RPM.

With a 15° contact angle and universal matching design, it offers flexibility for back-to-back, face-to-face, or tandem arrangements. The phenolic cage ensures durability and reduces friction during high-speed rotations.

This bearing is preloaded for extra light performance, making it ideal for precision applications like machine tool spindles or high-speed robotics. It works reliably in temperatures from -30°C to 110°C.

Weighing 5kg, it comes as a matched set of two bearings for balanced performance. Compliant with P4A tolerance standards, it’s interchangeable with SKF models for easy replacements.

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Product Parameters

  • Part Number 71930 CD/P4ADGA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 150 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 210 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 56 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 19.05 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 Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 41850 lbf
  • Static Radial Load 58500 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 11000 rpm
  • Weight 5 kg
  • Price（$） 1636.65
Super Precision Angular Contact Ball Bearings 71930 CD/P4ADGA dimension drawing
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Features

Performance Features of 71930 CD/P4ADGA Bearing

71930 CD/P4ADGA Bearing is crafted with chrome steel rings and balls, ensuring high precision and durability.
Its 15° contact angle and universal matching design allow flexible arrangement for various load conditions.

The phenolic cage maintains ball alignment, reducing friction and enhancing operational smoothness.
With a dynamic radial load capacity of 41,850 lbf, it handles demanding applications effortlessly.

Designed for extra-light preload, 71930 CD/P4ADGA Bearing ensures minimal energy loss during high-speed operation.
It operates efficiently at speeds up to 11,000 rpm while maintaining stability.

71930 CD/P4ADGA Bearing performs reliably in temperatures ranging from -30°C to 110°C.
Its open design simplifies lubrication, ensuring consistent performance over time.

The matched set configuration (back-to-back, face-to-face, or tandem) offers versatility for complex installations.
Precision tolerances (P4A class) guarantee consistent performance in high-accuracy applications.

Application

Industrial Uses of 71930 CD/P4ADGA Bearing
71930 CD/P4ADGA 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 aerospace applications, 71930 CD/P4ADGA Bearing supports components like turbine shafts, thanks to its extra-light preload and high-speed capability. The phenolic cage reduces friction, enhancing performance in demanding conditions.

For robotics, 71930 CD/P4ADGA Bearing’s P4A tolerance class provides the precision needed for smooth motion in robotic arms. Its chrome steel construction ensures durability even in continuous operation.

Medical imaging devices benefit from 71930 CD/P4ADGA Bearing’s low vibration and high rigidity. The open design simplifies lubrication, maintaining consistent performance in critical environments.

In automotive testing equipment, 71930 CD/P4ADGA Bearing handles high dynamic loads with ease. Its matched set configuration ensures balanced performance in back-to-back or face-to-face arrangements.

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