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Super Precision Angular Contact Ball Bearings S71920 CDGA/P4A

Super Precision Angular Contact Ball Bearings S71920 CDGA/P4A

The S71920 CDGA/P4A is a super precision angular contact ball bearing with a 100mm bore and 140mm outer diameter, crafted from durable chrome steel. It features a 15° contact angle and comes sealed for protection, with an extra light preload for smooth operation.

This bearing handles radial loads up to 13612 lbf and spins efficiently at speeds up to 16250 RPM. Its phenolic cage ensures quiet performance and longevity, while the grease lubrication simplifies maintenance.

Designed for precision applications, it works well in temperatures from -30°C to 110°C. The P4A tolerance class guarantees high accuracy, making it suitable for machine tools or spindle drives.

Weighing 0.81kg, it’s robust yet manageable. It can be used in matched sets for back-to-back, face-to-face, or tandem arrangements, offering flexibility in installation. Interchangeable with SKF bearings, it’s a reliable choice for replacements.

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Product Parameters

  • Part Number S71920 CDGA/P4A
  • 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 20 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 No
  • Number Of Bearings In Matched Set 3
  • 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 13612 lbf
  • Static Radial Load 14738 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 16250 rpm
  • Weight 0.81 kg
Super Precision Angular Contact Ball Bearings S71920 CDGA/P4A dimension drawing
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Features

Performance Features of S71920 CDGA/P4A Bearing

S71920 CDGA/P4A Bearing is crafted with chrome steel rings and balls, ensuring high precision and durability.
Its 15° contact angle provides excellent angular contact performance for various applications.

The phenolic cage maintains ball alignment, reducing friction and enhancing smooth operation.
With a dynamic radial load capacity of 13612 lbf, it handles demanding conditions reliably.

S71920 CDGA/P4A Bearing operates efficiently at speeds up to 16,250 rpm.
Its sealed design and grease lubrication ensure minimal maintenance and long service life.

The P4A tolerance class guarantees superior precision, making it ideal for high-accuracy tasks.
It functions well in temperatures ranging from -30°C to 110°C, ensuring versatility.

Application

Essential Roles of S71920 CDGA/P4A Bearing
S71920 CDGA/P4A Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The sealed construction keeps contaminants out, extending service life in demanding industrial settings.

In robotics, S71920 CDGA/P4A Bearing provides smooth motion control for articulated arms, thanks to its extra light preload and phenolic cage. Its high-speed capability makes it suitable for automated production lines.

For medical imaging devices, S71920 CDGA/P4A Bearing’s P4A tolerance class delivers the precision needed for consistent performance. The chrome steel construction also handles frequent start-stop cycles without compromising reliability.

Automotive applications like electric power steering benefit from S71920 CDGA/P4A Bearing’s dynamic load capacity. Its grease lubrication ensures quiet operation, ideal for passenger comfort in modern vehicles.

In aerospace systems, S71920 CDGA/P4A Bearing’s temperature stability and matched arrangement options provide reliability under varying flight conditions. The metric sizing simplifies integration with European and Asian aircraft components.

Q&A

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