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Super Precision Angular Contact Ball Bearings S71920 CEGA/P4A

Super Precision Angular Contact Ball Bearings S71920 CEGA/P4A

The S71920 CEGA/P4A is a super precision angular contact ball bearing with a 100mm bore and 140mm outer diameter, crafted from high-quality 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 8775 lbf and spins at speeds up to 16,250 RPM, making it suitable for high-performance applications. The phenolic cage ensures durability, while the grease lubrication simplifies maintenance.

Its P4A tolerance class guarantees exceptional precision, ideal for machinery requiring tight tolerances. The bearing can be paired in back-to-back, face-to-face, or tandem arrangements for versatile use.

Weighing 0.78kg, it’s robust yet manageable for its size. Perfect for precision equipment like spindles or CNC machines, where reliability and accuracy are key. Compliant with standard temperature ranges from -30°C to 110°C.

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Product Parameters

  • Part Number S71920 CEGA/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 24
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement No
  • 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 8775 lbf
  • Static Radial Load 7088 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 16250 rpm
  • Weight 0.78 kg
Super Precision Angular Contact Ball Bearings S71920 CEGA/P4A dimension drawing
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Features

Performance Features of S71920 CEGA/P4A Bearing

S71920 CEGA/P4A Bearing is crafted with a 15° contact angle, ideal for handling combined radial and axial loads.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and noise.

With a dynamic radial load capacity of 8775 lbf, it excels in high-performance applications.
The sealed design and grease lubrication enhance reliability, even at speeds up to 16,250 rpm.

S71920 CEGA/P4A Bearing operates smoothly in temperatures from -30°C to 110°C.
Its precision P4A tolerance class ensures consistent performance in demanding conditions.

Application

Key Fields for S71920 CEGA/P4A Bearing
S71920 CEGA/P4A Bearing excels 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 workshop conditions.

In robotics, S71920 CEGA/P4A Bearing supports articulated arms requiring smooth, low-friction movement. Its phenolic cage dampens vibrations, making it ideal for repetitive precision tasks.

For medical imaging devices, S71920 CEGA/P4A Bearing’s P4A tolerance class guarantees consistent performance in sensitive diagnostic equipment. The grease lubrication operates quietly, crucial for patient comfort during scans.

Automotive testing rigs benefit from S71920 CEGA/P4A Bearing’s ability to handle combined radial and thrust loads. The 16,250 rpm speed rating makes it suitable for dynamic component analysis.

In semiconductor manufacturing, S71920 CEGA/P4A Bearing’s thermal stability maintains precision during wafer processing. The chrome steel construction resists wear in cleanroom environments.

Q&A

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