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Super Precision Angular Contact Ball Bearings S71920 CD/P4ADGA

Super Precision Angular Contact Ball Bearings S71920 CD/P4ADGA

The S71920 CD/P4ADGA is a super precision angular contact ball bearing with a 100mm bore and 140mm outer diameter, crafted from high-quality chrome steel. It handles radial loads up to 21938 lbf and operates smoothly at speeds up to 16250 RPM.

Its sealed design keeps lubrication in and contaminants out, while the phenolic cage ensures quiet and efficient performance. The bearing is preloaded for extra light operation, making it ideal for high-precision applications.

This model is universally matched, allowing flexible arrangements like back-to-back or face-to-face setups. Perfect for machine tools or spindle drives where accuracy and reliability are key.

Weighing 1.63kg, it’s robust yet manageable for its size. Compliant with temperature ranges from -30°C to 110°C, it’s versatile for various industrial environments.

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Product Parameters

  • Part Number S71920 CD/P4ADGA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 100 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 140 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 40 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 12.7 mm
  • Ball Qty 26
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Sealed
  • 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 21938 lbf
  • Static Radial Load 29700 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 16250 rpm
  • Weight 1.63 kg
  • Price（$） 673.578
Super Precision Angular Contact Ball Bearings S71920 CD/P4ADGA dimension drawing
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Features

Performance Features of S71920 CD/P4ADGA Bearing

S71920 CD/P4ADGA Bearing is crafted with chrome steel rings and balls, offering high precision and durability.
Its 15° contact angle ensures efficient handling of combined radial and axial loads.

The phenolic cage maintains ball alignment, reducing friction and enhancing performance.
With a dynamic radial load capacity of 21938 lbf, it suits demanding applications.

S71920 CD/P4ADGA Bearing operates smoothly at speeds up to 16,250 rpm.
Its sealed design and grease lubrication reduce maintenance needs.

The universal matching feature allows flexible arrangement options.
This makes S71920 CD/P4ADGA Bearing versatile for various precision tasks.

Application

Common Applications of S71920 CD/P4ADGA Bearing
S71920 CD/P4ADGA Bearing is widely used in high-precision machine tools, where its 15° contact angle ensures accurate spindle rotation. The sealed design keeps contaminants out, extending service life in demanding workshop conditions.

In robotics, S71920 CD/P4ADGA Bearing enables smooth motion control for articulated arms, thanks to its phenolic cage reducing friction. The universal matching feature allows flexible arrangement in tight spaces.

For aerospace components, S71920 CD/P4ADGA Bearing handles both radial and axial loads in navigation systems. Its P4A tolerance class guarantees consistent performance during high-speed operation.

Medical imaging devices benefit from S71920 CD/P4ADGA Bearing’s low vibration, critical for clear scan results. The grease lubrication ensures quiet operation in sensitive environments.

Automotive testing equipment relies on S71920 CD/P4ADGA Bearing for precise measurements. Its chrome steel construction withstands continuous use without compromising accuracy.

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