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Super Precision Angular Contact Ball Bearings S71918 CDGA/HCP4A
Super Precision Angular Contact Ball Bearings S71918 CDGA/HCP4A

Super Precision Angular Contact Ball Bearings S71918 CDGA/HCP4A

The S71918 CDGA/HCP4A is a super precision angular contact ball bearing with a 90mm bore and 125mm outer diameter, crafted from high-quality chrome steel. It features a 15° contact angle and ceramic balls for smooth operation.

This bearing handles radial loads up to 10688 lbf and spins at speeds up to 15000 RPM, making it suitable for high-performance applications. Its sealed design keeps grease in and contaminants out.

With an extra light preload (Class A) and phenolic cage, it offers quiet and efficient performance. The bearing works in temperatures from -30°C to 110°C and weighs just 0.48kg.

Ideal for precision machinery like spindles or CNC equipment, it’s interchangeable with SKF bearings. The P4A tolerance class ensures reliable accuracy for demanding tasks.

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Product Parameters

  • Part Number S71918 CDGA/HCP4A
  • 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 Ceramic
  • 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 0.48 kg

Features

Performance Features of S71918 CDGA/HCP4A Bearing

S71918 CDGA/HCP4A Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
Its ceramic balls and chrome steel rings enhance durability while reducing friction.

The phenolic cage ensures smooth operation at high speeds, up to 15,000 rpm.
With a dynamic radial load capacity of 10,688 lbf, it handles demanding conditions reliably.

S71918 CDGA/HCP4A Bearing operates efficiently in temperatures from -30°C to 110°C.
Its sealed design and grease lubrication minimise maintenance needs.

The P4A tolerance class guarantees precision, making it suitable for high-accuracy applications.
Its universal matching capability allows flexible arrangement options.

Application

Key Fields for S71918 CDGA/HCP4A Bearing
S71918 CDGA/HCP4A Bearing is widely used in high-precision machine tools, where its ceramic balls and phenolic cage ensure minimal friction and heat generation. The sealed design keeps contaminants out, extending service life in demanding industrial environments.

In aerospace applications, S71918 CDGA/HCP4A Bearing supports critical components like turbine shafts, thanks to its extra-light preload and P4A tolerance class. The chrome steel rings provide the necessary strength for high-speed rotations.

For robotics, S71918 CDGA/HCP4A Bearing excels in articulated arms, offering smooth angular contact movement. Its universal matching capability allows flexible configurations, making it ideal for complex automated systems.

Medical imaging devices benefit from S71918 CDGA/HCP4A Bearing’s precision and reliability, ensuring accurate positioning in scanners. The grease lubrication maintains consistent performance even during prolonged use.

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