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Super Precision Angular Contact Ball Bearings S71918 CDGA/P4A
Super Precision Angular Contact Ball Bearings S71918 CDGA/P4A

Super Precision Angular Contact Ball Bearings S71918 CDGA/P4A

The S71918 CDGA/P4A is a super precision angular contact ball bearing with a 90mm bore and 125mm outer diameter, crafted from high-quality chrome steel. It handles radial loads up to 10688 lbf and operates smoothly at speeds up to 15000 RPM.

Its sealed design keeps lubrication in and contaminants out, while the phenolic cage ensures quiet, durable performance. The bearing works reliably in temperatures from -30°C to 110°C.

With a 15° contact angle and extra-light preload, it offers excellent precision for demanding applications. Ideal for machine tools, spindles, or high-speed equipment where accuracy is key.

Weighing 0.57kg, it’s robust yet manageable for its size. Compliant with universal matching, it can be paired in back-to-back, face-to-face, or tandem arrangements for versatile use.

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Product Parameters

  • Part Number S71918 CDGA/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 90 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 125 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 18 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 11.112 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 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 10688 lbf
  • Static Radial Load 11475 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 15000 rpm
  • Weight 0.57 kg
  • Price($) 264.384

Features

How Is S71918 CDGA/P4A Bearing Engineered for Reliability?

S71918 CDGA/P4A Bearing features a 15° contact angle, optimised for precision angular contact applications.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and wear.

With a dynamic radial load capacity of 10,688 lbf, it handles demanding conditions efficiently.
The sealed design and grease lubrication enhance its reliability in various environments.

S71918 CDGA/P4A Bearing operates smoothly at speeds up to 15,000 rpm, maintaining performance.
Its tight tolerances and P4A class precision make it suitable for high-accuracy applications.

Application

Industrial Uses of S71918 CDGA/P4A Bearing
S71918 CDGA/P4A Bearing is commonly used in high-precision machine tools, where its extra light preload ensures smooth operation and minimal vibration. The sealed design helps keep contaminants out, extending the bearing’s lifespan in demanding environments.

In robotics, S71918 CDGA/P4A Bearing provides reliable angular contact support for robotic arms, ensuring precise movement and stability. Its phenolic cage offers good heat resistance, making it suitable for continuous operation.

For medical imaging devices, S71918 CDGA/P4A Bearing’s P4A tolerance class delivers the accuracy needed for consistent performance. The chrome steel construction also ensures durability in high-speed applications.

Automotive applications like electric motor systems benefit from S71918 CDGA/P4A Bearing’s ability to handle both radial and axial loads. Its grease lubrication reduces maintenance needs, making it a practical choice for long-term use.

In aerospace components, S71918 CDGA/P4A Bearing’s lightweight design and high-speed capability make it ideal for critical systems. The universal matching feature allows for flexible installation in various configurations.

Q&A

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