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Super Precision Angular Contact Ball Bearings S7018 CDGA/HCP4A

Super Precision Angular Contact Ball Bearings S7018 CDGA/HCP4A

The S7018 CDGA/HCP4A is a super precision angular contact ball bearing with a 90mm bore and 140mm 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 17842 lbf and spins at speeds up to 15000 RPM, making it suitable for high-performance applications. Its sealed design and grease lubrication ensure low maintenance.

With a phenolic cage and P4A tolerance class, it offers excellent accuracy and durability. The bearing works in temperatures from -30°C to 110°C and weighs 1.02kg.

Ideal for precision machinery like spindles or CNC equipment, it can be arranged back-to-back, face-to-face, or tandem. It’s also interchangeable with SKF bearings for easy replacement.

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Product Parameters

  • Part Number S7018 CDGA/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 90 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 140 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 24 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 15.875 mm
  • Ball Qty 20
  • 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 Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 17842 lbf
  • Static Radial Load 17212 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 15000 rpm
  • Weight 1.02 kg
Super Precision Angular Contact Ball Bearings S7018 CDGA/HCP4A dimension drawing
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Features

Performance Features of S7018 CDGA/HCP4A Bearing

S7018 CDGA/HCP4A Bearing features a 15° contact angle, optimised for precision angular contact applications.
Its chrome steel rings and ceramic balls ensure smooth operation under high radial loads.

The phenolic cage in S7018 CDGA/HCP4A Bearing maintains ball alignment, reducing friction and wear.
With a dynamic radial load capacity of 17842 lbf, it handles demanding conditions reliably.

S7018 CDGA/HCP4A Bearing operates efficiently at speeds up to 15,000 rpm, thanks to its grease lubrication.
Its sealed design protects against contaminants, extending service life in various environments.

The extra light preload of S7018 CDGA/HCP4A Bearing ensures precise performance in high-speed applications.
Its temperature range of -30°C to 110°C makes it suitable for diverse operating conditions.

Application

Key Fields for S7018 CDGA/HCP4A Bearing
S7018 CDGA/HCP4A Bearing is commonly used in high-speed machine tools, where its precision and ceramic balls reduce friction for smoother operation. The sealed design helps keep contaminants out, extending service life in demanding environments.

In robotics, S7018 CDGA/HCP4A Bearing provides reliable angular contact support for robotic arms, ensuring accurate movement. Its phenolic cage offers lightweight durability, ideal for repetitive motions.

For medical imaging devices, S7018 CDGA/HCP4A Bearing’s P4A tolerance class ensures minimal vibration, critical for clear scans. The grease lubrication maintains quiet performance, even during prolonged use.

In electric vehicle motors, S7018 CDGA/HCP4A Bearing handles high radial loads while maintaining efficiency. The extra light preload reduces energy loss, making it a smart choice for eco-friendly designs.

For aerospace applications, S7018 CDGA/HCP4A Bearing’s temperature stability suits both extreme cold and moderate heat. Its universal matching capability simplifies assembly in complex systems.

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