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Super Precision Angular Contact Ball Bearings 71918 CDGA/HCP4A

Super Precision Angular Contact Ball Bearings 71918 CDGA/HCP4A

The 71918 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.

With a dynamic radial load capacity of 10688 lbf, it handles high speeds up to 15000 RPM. The phenolic cage ensures durability, while the open design allows for easy lubrication.

This bearing is ideal for precision applications like machine tools or spindles, where accuracy is key. Its P4A tolerance class guarantees consistent performance.

Weighing 0.47kg, it’s lightweight yet robust. Compatible with SKF bearings, it’s a reliable choice for replacements. Works well in temperatures from -30°C to 110°C.

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Product Parameters

  • Part Number 71918 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 Open
  • 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 Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 10688 lbf
  • Static Radial Load 11475 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 15000 rpm
  • Weight 0.47 kg
  • Price（$） 327.915
Super Precision Angular Contact Ball Bearings 71918 CDGA/HCP4A dimension drawing
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Features

Performance Features of 71918 CDGA/HCP4A Bearing

71918 CDGA/HCP4A Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
The chrome steel rings and ceramic balls enhance durability while reducing friction.

With a dynamic radial load capacity of 10688 lbf, it handles demanding conditions efficiently.
Its phenolic cage ensures smooth operation, even at high speeds up to 15,000 rpm.

71918 CDGA/HCP4A Bearing operates reliably in temperatures ranging from -30°C to 110°C.
The precision P4A tolerance class guarantees consistent performance in super precision applications.

Its universal matching capability allows flexible arrangement options like back-to-back or face-to-face.
This makes 71918 CDGA/HCP4A Bearing versatile for various industrial uses.

Application

Super Precision Angular Contact Ball Bearings 71918 CDGA/HCP4A are commonly used in high-speed machine tools, where their 15° contact angle ensures smooth operation under radial and axial loads. The ceramic balls reduce friction, making them suitable for precision applications.

In aerospace components, 71918 CDGA/HCP4A Bearings provide reliable performance in systems like gyroscopes and actuators. Their P4A tolerance class guarantees the accuracy needed for critical flight systems.

For robotics, 71918 CDGA/HCP4A Bearings are ideal for joints and rotary tables due to their lightweight phenolic cage. The extra light preload helps maintain precision in repetitive movements.

Medical imaging devices benefit from 71918 CDGA/HCP4A Bearings’ low heat generation and high-speed capabilities. The chrome steel rings ensure durability in demanding healthcare environments.

In electric motors, 71918 CDGA/HCP4A Bearings support high RPMs while maintaining stability. Their universal matching feature allows flexible configurations for various motor designs.

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